Research and medical publications on hair transplant procedures.

Hair Restoration Research

Study is the First to Measure Perceived Benefits of Hair Transplant Surgery

Posted by Robert M. Bernstein M.D. on September 20th, 2016

A recently published study is the first to measure the perceived benefit of hair transplantation on a patient’s age, attractiveness, successfulness, and approachability – key factors that play an important role in workplace and social success. The pilot study, published in the Journal of the American Medical Association Facial Plastic Surgery, found that hair transplant recipients were perceived by others to be 3.6 years younger following their hair restoration surgery. The data indicate that the person’s attractiveness, successfulness, and approachability also showed statistically significant positive changes as a result of hair restoration surgery.

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Hair Restoration Research

Follicular Unit Hair Transplantation

Posted by Robert M. Bernstein M.D. on October 30th, 2015

Synopsis: Follicular Unit Hair Transplantation in “Surgery of the Skin: Procedural Dermatology,” is Dr. Bernstein’s third update of the chapter in the core surgical textbook for dermatologic training programs. The chapter covers a range of topics including: the basics of hair transplantation, detailed descriptions of both follicular unit transplantation (FUT) and follicular unit extraction (FUE), the importance of patient evaluation in advance of surgery, and aesthetic considerations in hair transplant design. Robotic FUE is included in the chapter for the first time as a hair transplant technique.

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Hair Restoration Research

Current Status of Surgery In Dermatology: Hair Transplantation

Posted by Robert M. Bernstein M.D. on March 10th, 2013

Synopsis: Every few decades, the American Academy of Dermatology publishes a comprehensive survey of the state of dermatology and dermatologic surgery. Dr. Bernstein was asked to contribute to this historical overview. The paper describes important developments in the field of hair restoration surgery over a period of more than twenty years. Dr. Bernstein’s pioneering articles on FUT and FUE are highlighted as key advances in the field, along with contributions by more than a dozen dermatologists. The section on hair transplantation includes a look towards the future with mentions of both robotic graft harvesting and the promise, and challenges, of hair cloning techniques.

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Hair Restoration Research

Age and the Donor Zone in FU Hair Transplants

Posted by Robert M. Bernstein M.D. on March 10th, 2013

Synopsis: When considering Follicular Unit Transplantation (FUT) and Follicular Unit Extraction (FUE) procedures, a person’s age and the ability to assess the permanence of the donor area are important variables in determining surgical candidacy. This FUT case study examines the importance of these variables in the patient evaluation.

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Hair Restoration Research

Bimatoprost for the Treatment of Thinning Eyebrows

Posted by Robert M. Bernstein M.D. on March 10th, 2012

Synopsis: Topical bimatoprost was FDA approved in December 2008 for the treatment of eyelash hypotrichosis (thinning eyelashes). Since its approval, there has been interest in its “off label” for hair growth in other areas, such as the scalp or eyebrows, but there has yet to be published scientific evidence to support this use. We report one of the first cases of significant eyebrow hair growth in a patient after use of topical bimatoprost for eyebrow hypotrichosis.

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Hair Restoration Research

Hair Loss & Replacement for Dummies

Posted by Robert M. Bernstein M.D. on March 10th, 2011

Synopsis: This is a newly revised edition of the popular Hair Loss & Replacement for Dummies. The 2011 edition presents the latest information on a variety of topics of interest to those suffering from hair loss. The updated edition book discusses the latest in laser light and medical treatments for hair loss, the recent advances in Follicular Unit Hair Transplantation and the new, minimally-invasive hair transplant technique, Follicular Unit Extraction.

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Hair Restoration Research

Follicular Unit Hair Transplantation

Posted by Robert M. Bernstein M.D. on March 10th, 2010

Synopsis: Dr. Bernstein’s newly revised chapter, Follicular Unit Hair Transplantation, in “Surgery of the Skin: Procedural Dermatology,” a core surgical textbook for dermatologic training programs, covers a wide range of standard topics including; patient evaluation, surgical planning, operating techniques and aesthetic considerations in hair transplant design. New topics include: follicular unit extraction, eyebrow and eyelash transplantation, long-hair transplants, trichophytic closures, automation and hair cloning.

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Hair Restoration Research

Hair Loss For Dummies

Posted by Robert M. Bernstein M.D. on March 10th, 2008

Synopsis: Important information for men and women of virtually all ages anxious to preserve their full head of hair, put the brakes on balding, or explore the safest and most reliable hair replacement techniques currently available. The book offers readers not only the full gamut of modern-day hair-care options, but crucial tips on how to avoid unscrupulous hair transplant doctors and potentially harmful products as well.

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Hair Restoration Research

Avoiding Pitfalls in Planning a Hair Transplant

Posted by Robert M. Bernstein M.D. on March 10th, 2008

Synopsis: The ability to achieve full cosmetic benefit in follicular unit hair transplantation depends upon a number of factors including proper patient selection, accurately assessing the patient’s donor supply, appropriately designing the hair line and correctly distributing the grafts. This paper reviews the major mistakes that doctors make in these key aspects of the hair restoration process and advises the practitioner on how to avoid them so that the patient will achieve the best possible results.

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Hair Restoration Research

Staples Revisited: Surgical Staples in Hair Transplantation

Posted by Robert M. Bernstein M.D. on March 10th, 2008

Synopsis: Running, continuous sutures and metal staples are the two most common closures used by hair restoration surgeons today. This commentary discusses the pros and cons of various suture and stapling methods and makes an argument that, with new advances in techniques, staples are possibly the best means of closing the donor wound during a hair transplant procedure.

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Hair Restoration Research

Follicular Unit Plain Speak: Hair Transplant Terminology

Posted by Robert M. Bernstein M.D. on March 10th, 2007

Synopsis: In 1998, a group of hair restoration surgeons proposed a classification for follicular unit hair transplantation and mini-micrografting techniques, to improve communication between physicians and their patients. With recent advances in techniques, a number of new terms are being used that do not have clear definitions. This paper expresses the author’s opinions on which of these terms are useful and should be incorporated into the original classification and which are confusing and should be abandoned. The authors also suggest concise definitions for these new terms.

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Hair Restoration Research

Densitometry and Video-Microscopy

Posted by Robert M. Bernstein M.D. on March 10th, 2007

Synopsis: Densitometry and video-microscopy are techniques that analyze the scalp under high-power magnification to give information on hair density, follicular unit composition and degree of miniaturization. They can be used to help evaluate a patient’s candidacy for hair transplantation and help predict future hair loss. The measurements will enable the physician to better estimate the size of the donor strip and anticipate the aesthetic outcome of the hair restoration procedure. This paper describes the value of these techniques in the hair transplant evaluation.

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Hair Restoration Research

New Instrumentation for 3-step Follicular Unit Extraction

Posted by Robert M. Bernstein M.D. on March 10th, 2006

Synopsis: Three-step FUE is a hair transplant technique that uses blunt dissection to prevent damage during the process of separating the follicular unit from the surrounding tissue. The 3 steps are: scoring, blunt dissection, and extraction. Performing Follicular Unit Extraction with a 3-step technique allows the surgeon to minimize damage to follicles and to keep follicular units intact. A disadvantage is the development of buried grafts, but this can be reduced by modifying the technique and using specially designed instrumentation.

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Hair Restoration Research

Eyebrow Transplants: From Scalp to Brow

Posted by Robert M. Bernstein M.D. on March 10th, 2006

Synopsis: The partial or complete loss of one’s eyebrows is a relatively common problem and can be caused by disease, accidents, the normal aging process, or can be been self-induced. This paper discusses the importance of eyebrows to one’s appearance and explains the special techniques and surgical skills required for eyebrow restoration.

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Hair Restoration Research

Graft Anchoring in Hair Transplantation: Summary

Posted by Robert M. Bernstein M.D. on March 10th, 2006

Robert M. Bernstein, MD, New York, NY and William R. Rassman, MD, Los Angeles, CA Dermatol Surg 2006; 32: 198-204. Background Since it is not known precisely how long it will take for grafts to be securely anchored after a hair transplant, the advice that the medical profession has offered patients regarding post-op care has […]

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Hair Restoration Research

Graft Anchoring in Hair Transplantation

Posted by Robert M. Bernstein M.D. on March 10th, 2006

Synopsis: This study determined exactly how long it takes after a hair transplant for the grafts to be securely anchored in the recipient area, so that they cannot be dislodged. This information is important in guiding the patient’s post-op care after a hair restoration procedure. The study also showed that preventing the formation of crusts following a hair transplant would shorten the time patients are at risk of dislodging grafts. It would also allow them to return to their normal hair care routines more rapidly.

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Hair Restoration Research

Follicular Unit Extraction

Posted by Robert M. Bernstein M.D. on March 10th, 2006

Synopsis: This paper discusses the state-of-the-art in follicular unit extraction. It focuses on the new Three-Step Technique in which a sharp punch is used to cut the epidermis and then a dull punch is used to dissect the follicular unit from the surrounding tissue. The third step being the extraction itself. The “blunt” step significantly reduces follicular transaction, but creates a potential new problem, that of buried grafts. The Three-Step technique increases the number of patients in whom FUE is possible; however, other limitations of the procedure – particularly the lower total yield compared to strip harvesting – remain.

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Hair Restoration Research

Follicular Unit Transplantation

Posted by Robert M. Bernstein M.D. on March 10th, 2006

Synopsis: This writing discusses the current status of Follicular Unit Transplantation and some controversial issues regarding this procedure. These issues include: strip harvesting vs. follicular unit extraction, lateral vs. vertical slit recipient sites, which holding solution is best for grafts, the ideal density and the optimal number of grafts that should be performed in one hair transplant session.

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Hair Restoration Research

Follicular Unit Transplantation

Posted by Robert M. Bernstein M.D. on March 10th, 2005

Synopsis: This paper reviews the core concepts of Follicular Unit Transplantation, including basing the surgical planning on the follicular unit constant, using only individual, naturally occurring units in the transplant and accomplishing the restoration in a few number of large sessions. The section then describes the techniques of follicular unit hair transplantation as the procedure enters its second decade.

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Hair Restoration Research

Follicular Unit Hair Transplantation

Posted by Robert M. Bernstein M.D. on March 10th, 2005

PUBLISHERS NOTE: Single copies of this article can be downloaded and printed only for the reader’s personal research and study.

Synopsis: “Surgery of the Skin: Procedural Dermatology,” covers the entire range of dermatologic surgical procedures. It was conceived to be used as the core surgical textbook for dermatologic training programs. Dr. Bernstein’s chapter on follicular unit hair transplantation covers a wide range of subjects including the history of follicular unit hair transplantation, evaluating the patient, planning the surgery, setting-up the operating room, and maximizing the cosmetic outcome of the hair restoration. Specific topics include the techniques of Follicular Unit Transplantation including density assessment, single-strip harvesting, follicular unit extraction, anesthetic use, aesthetic design and many other important topics.

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Hair Restoration Research

Techniques for Limiting Epinephrine

Posted by Robert M. Bernstein M.D. on March 10th, 2004

Synopsis: This writing is the textbook version of the paper; “Limiting Epinephrine in Hair Transplant Sessions.”

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Hair Restoration Research

Rationale for Follicular Unit Transplantation

Posted by Robert M. Bernstein M.D. on March 10th, 2004

Synopsis: This is the textbook version of the important 1999 paper; “The Logic of Follicular Unit Transplantation” that was instrumental in making follicular unit transplantation a mainstream hair restoration procedure.

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Hair Restoration Research

Follicular Unit Extraction Megasessions

Posted by Robert M. Bernstein M.D. on March 9th, 2004

Synopsis: This paper describes the technical and organizational skills needed for performing Follicular Unit Extraction Megasessions. It also points out some of the important long-term implications of FUE, especially regarding its inefficient use of donor area which potentially limits the ultimate donor supply.

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Hair Restoration Research

Back to the Future with the “Dissected–Punch” Technique

Posted by Robert M. Bernstein M.D. on March 9th, 2003

Synopsis: This paper proposes that the old punch-graft technique may have a place in modern hair transplant surgery, particularly in patients with significant donor scarring and when further linear incisions are not possible. In these cases, punch harvesting (with subsequent microscopic division of the punch grafts) may be better than FUE, since extracting individual follicular units can be difficult in areas of scarring.

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Hair Restoration Research

Follicular Unit Extraction: Summary

Posted by Robert M. Bernstein M.D. on March 9th, 2002

Minimally Invasive Surgery for Hair Transplantation William R. Rassman, MD*, Robert M. Bernstein, MD*,**, Robert McClellan, MD*, Roy Jones, MD*, Eugene Worton, MD*, Hendrik Uyttendaele, MD, PHD** Dermatologic Surgery 2002; 28: 720-728. *New Hair Institute Medical Group, A Professional Corporation, Los Angeles, California and **Department of Dermatology, Columbia University, College of Physicians and Surgeons, New […]

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Hair Restoration Research

Follicular Unit Extraction: Minimally Invasive Surgery for Hair Transplantation

Posted by Robert M. Bernstein M.D. on March 9th, 2002

Synopsis: This paper introduced Follicular Unit Extraction into the hair transplant literature. The article describes a procedure in which individual follicular units are removed directly from the donor region through very small round incisions. It identifies significant patient variability and describes a test to determine which patients are potential candidates for this procedure. It also explores the nuances, limitations and practical aspects of Follicular Unit Extraction.

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Hair Restoration Research

Art of Repair in Surgical Hair Restoration – Part II: Summary

Posted by Robert M. Bernstein M.D. on March 9th, 2002

Robert M. Bernstein, MD,*† William R. Rassman, MD, ‡ Nazia Rashid, and Richard C. Shiell, MBBS Dermatologic Surgery 2002; 28(10): 873-93. © 2002 The American Society for Dermatologic Surgery *College of Physicians and Surgeons, Columbia University, New York, New York †New Hair Institute Medical Group, A Professional Corporation, New York, New York and ‡Los Angeles, […]

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Hair Restoration Research

Art of Repair in Surgical Hair Restoration – Part II

Posted by Robert M. Bernstein M.D. on March 9th, 2002

Synopsis: Together with Part I, Basic Repair Strategies, these paired articles define the state-of-the-art in correcting the cosmetic problems that resulted from outdated hair restoration techniques and/or poor surgical planning. This section emphasizes the importance of graft excision and re-implantation prior to camouflage in order to achieve the best outcome. It details the specific techniques needed for the graft excision and explains the aesthetic nuances of the camouflage.

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Hair Restoration Research

Art of Repair in Surgical Hair Restoration – Part I: Summary

Posted by Robert M. Bernstein M.D. on March 9th, 2002

Robert M. Bernstein, MD,*† William R. Rassman, MD, ‡ Nazia Rashid, and Richard C. Shiell, MBBS *College of Physicians and Surgeons, Columbia University, New York, New York †New Hair Institute Medical Group, A Professional Corporation, New York, New York and ‡Los Angeles, CA Dermatologic Surgery 2002; 28(9): 783-94. © 2002 The American Society for Dermatologic […]

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Hair Restoration Research

Art of Repair in Surgical Hair Restoration – Part I

Posted by Robert M. Bernstein M.D. on March 9th, 2002

Synopsis: The first of two paired articles, this paper focuses on the strategic planning that is necessary to optimize hair transplant repair procedures. The paper identifies the underlying problems that lead to poor cosmetic results and the limitations of the donor supply that limit its correction. It explains how to establish priorities to get the best results in the face of the constraints caused by outdated hair replacement techniques.

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Hair Restoration Research

Donor Dominance Revisited: Summary

Posted by Robert M. Bernstein M.D. on March 9th, 2002

SUMMARY of Dr. Bernstein’s editorial commentary on Hwang SM et al. Does the Recipient Site Influence Hair Growth Characteristics in Hair Transplantation? The original article appeared in Dermatol Surg 2002; 28(9): 798-99. The field of hair transplantation in the United States began with Dr. Norman Orentreich’s famous 1959 paper on Donor Dominance. In it, he […]

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Hair Restoration Research

Donor Dominance Revisited

Posted by Robert M. Bernstein M.D. on March 9th, 2002

Synopsis: In 1959, Orentreich stated that, in a hair transplant, the transplanted grafts maintained the characteristics of the donor area and were independent of the recipient site. However, new evidence suggests that that the recipient site can influence the rate of hair growth, graying, and the formation of wavy hair. The editor points out that, although these observed effects may violate the principle of donor dominance, they will have positive implications for the success of cloning.

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Hair Restoration Research

Scalp Laxity Paradox

Posted by Robert M. Bernstein M.D. on March 9th, 2002

Synopsis: Patients with tight scalps and snug donor closures often heal with fine scars, whereas patients with loose scalps occasionally heal with wide scars. A patient with the rare condition Ehlers-Danlos Syndrome shed light on this phenomenon. After studying his case, the authors conclude that the integrity of the scalp’s connective tissue was more important than scalp laxity in determining who would heal with a fine donor scar.

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Hair Restoration Research

Automation of Hair Transplantation

Posted by Robert M. Bernstein M.D. on March 9th, 2002

Synopsis: This paper reviews the current status and future of automated devices in surgical hair restoration. Specifically, it discusses the Hair Implanter Pen, the Rapid Fire Hair Inserter, the Calvitron, and the Choi Hair Transplanter.

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Hair Restoration Research

Follicular Unit Graft Yield Using Three Different Techniques

Posted by Robert M. Bernstein M.D. on March 9th, 2001

Synopsis: This study compares the hair replacement techniques of mini-micrografting, vertical sectioning and single-strip harvesting with stereo-microscopic dissection for the generation of follicular unit grafts. It validated the superiority of the latter technique and supported the idea that if one wants to perform Follicular Unit Transplantation properly, single strip harvesting and microscopic dissection should be required.

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Hair Restoration Research

The Patient’s Guide to Hair Restoration – 6th Edition

Posted by Robert M. Bernstein M.D. on March 9th, 2001

Synopsis: This popular guide on hair restoration is revised to include the latest advances in medical and surgical treatments for hair loss and an expanded section of before and after photos.

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Hair Restoration Research

A New Suture for Hair Transplantation: Poliglecaprone 25: Summary

Posted by Robert M. Bernstein M.D. on March 9th, 2001

Robert M. Bernstein, MD, William R. Rassman, MD, and Nazia Rashid Dermatologic Surgery 2001; 27(1): 5-11. College of Physicians and Surgeons, Columbia University, New York, New York Background The most common type of donor closure in hair transplantation is with non-absorbable, running sutures, usually of nylon or polypropylene. This is accomplished with, or without, buried […]

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Hair Restoration Research

A New Suture for Hair Transplantation: Poliglecaprone 25

Posted by Robert M. Bernstein M.D. on March 9th, 2001

Synopsis: This paper introduces a new synthetic suture for surgical hair restoration called Poliglecaprone 25 or Monocryl. It is a strong, absorbable, suture with low tissue reactivity that can be used in hair transplantation to close the donor wound with a single, running stitch. This suture can provide a donor closure that ensures hemostasis, has little risk of infection and is comfortable for the patient, and generally results in a fine surgical scar.

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Hair Restoration Research

Importance of Accurate Nomenclature

Posted by Robert M. Bernstein M.D. on March 9th, 2000

Synopsis: This editorial emphasizes that an accurate representation of a hair transplant technique is important, even if it is with respect to how it is named, so that the public may make informed decisions about the procedures they choose.

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Hair Restoration Research

Graft Injury from Dehydration: H2O and the X-factor

Posted by Robert M. Bernstein M.D. on March 9th, 2000

Synopsis: This editorial discusses the important observation of Gandelman that the drying of grafts during a hair transplant is a common denominator for other forms of injury, as it makes the grafts more subject to damage due to crushing and warming during the procedure.

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Hair Restoration Research

Limiting Epinephrine in Large Hair Transplant Sessions

Posted by Robert M. Bernstein M.D. on March 9th, 2000

Synopsis: The risks of using too much adrenaline in a hair transplant are discussed and a number of alternative methods of establishing hemostasis are offered including; body positioning, florescent lighting, ring-block anesthesia, tumescence, pre-making recipient sites, applying bi-manual traction, and creating a snug fit between the recipient site and graft.

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Hair Restoration Research

In Support of Follicular Unit Transplantation

Posted by Robert M. Bernstein M.D. on February 9th, 2000

Synopsis: When follicular unit transplantation was still in its infancy, there were many detractors in the hair transplant community. This paper defended the procedure and explained its superiority over other hair replacement techniques in producing the best short and long-term cosmetic results.

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Hair Restoration Research

Hair Transplantation – Section in Textbook for Estheticians

Posted by Robert M. Bernstein M.D. on March 9th, 1999

Synopsis: This section, published in a textbook for professional estheticians, explains basic concepts of follicular unit hair transplantation in easy-to-understand terms.

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Hair Restoration Research

A Slot By Any Other Name

Posted by Robert M. Bernstein M.D. on March 6th, 1999

Synopsis: This article uncovers an attempt by the proponents of slot grafting to rename this technique (which produces poor cosmetic results) and call it “follicular unit coupling,” so that unwary patients will think that it is actually a variation of follicular unit transplantation.

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Hair Restoration Research

Hemostasis with Minimal Epinephrine

Posted by Robert M. Bernstein M.D. on March 6th, 1999

Synopsis: This short paper summarizes the article that advises to physicians to limit the use of adrenaline when performing large hair transplant sessions and it explains various practical ways to accomplish this.

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Hair Restoration Research

Unified Terminology for Hair Transplantation

Posted by Robert M. Bernstein M.D. on March 6th, 1999

Synopsis: This paper argues for standardization in the classification of various hair transplant techniques in order to facilitate communication between hair restoration surgeons and their patients and to aid in scientific research.

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Hair Restoration Research

Future in Hair Transplantation

Posted by Robert M. Bernstein M.D. on March 6th, 1999

Synopsis: As the twentieth century drew to a close, this paper looked into the future to try to discern the direction that hair transplantation was headed in the next millennium. Particular areas of interest were; the follicular unit/mini-micrograft controversy, graft storage mediums, how to maximize the donor supply, methods to enhance wound healing, automated devices, lasers, new medications, cloning and genetic engineering.

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Hair Restoration Research

Blind Graft Production: Value at What Cost?

Posted by Robert M. Bernstein M.D. on March 6th, 1998

Synopsis: This editorial cautions that new instruments made to cut the donor strip rapidly, by placing the strip on a grid of knives, cause unacceptable levels of graft damage. The author advises that these devices should not be used in surgical hair restoration.

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Hair Restoration Research

Rapid Fire Hair Implanter Carousel: Summary

Posted by Robert M. Bernstein M.D. on March 6th, 1998

A New Surgical Instrument For the Automation of Hair Transplantation WILLIAM R. RASSMAN, MD, Los Angeles, CA ROBERT M. BERNSTEIN, MD, New York, NY Dermatologic Surgery 1998; 24: 623-627. Background As hair transplantation evolved into a procedure in which large numbers of very small grafts are moved in a single session, new problems have emerged. […]

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Hair Restoration Research

Rapid Fire Hair Implanter Carousel

Posted by Robert M. Bernstein M.D. on March 6th, 1998

Synopsis: The “Carousel” is an automated device used for hair transplantation that simultaneously makes recipient sites and inserts grafts. The instrument can hold up to 100 grafts at time. In theory, the instrument could decrease the total operative time and eliminate some human factors that contribute to graft injury during the hair restoration process. The Carousel, however, was limited in that very close graft placement was not possible and it could not account for the great variability in the human scalp that sometimes rendered the device ineffective.

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Hair Restoration Research

Classification of Hair Transplantation

Posted by Robert M. Bernstein M.D. on March 6th, 1998

Synopsis: Dr. Bernstein heads a group of twenty-one hair restoration surgeons in an attempt to standardize the classification of follicular unit transplantation and other small graft procedures, including various technical aspects of graft harvesting, graft dissection, and placement. The goal is to standardize the nomenclature, and formally describe other factors in the surgery, so that communication between physicians and patients may be enhanced and different hair replacement procedures may be examined and compared.

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Hair Restoration Research

Microscopophobia

Posted by Robert M. Bernstein M.D. on March 6th, 1998

Synopsis: A satire on the perceived resistance of hair transplant surgeons to accept new ideas and adapt new technologies.

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Hair Restoration Research

The Patient’s Guide to Hair Restoration – 5th Edition

Posted by Robert M. Bernstein M.D. on March 6th, 1998

Synopsis: This book explains, in layman’s terms, the causes of hair loss, the way it is diagnosed and how androgenetic alopecia is treated – using medical therapy or surgical hair restoration. The book focuses on Follicular Unit Transplantation, but covers a wide range of topics from the emotional aspects of hair loss to steps one should take when considering hair transplant surgery.

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Hair Restoration Research

A Neighbor’s View of the “Follicular Family Unit”

Posted by Robert M. Bernstein M.D. on March 6th, 1998

Synopsis: This article acknowledges the wide variability in the anatomy of follicular units, but challenges the notion that using grafts larger than naturally occurring follicular unit is advantageous, if it necessitates using larger recipient wounds.

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Hair Restoration Research

Dissecting Microscope in the Preparation of Follicular Unit Grafts: Summary

Posted by Robert M. Bernstein M.D. on March 6th, 1998

Robert M. Bernstein, MD, New York, NY William R. Rassman, MD, Los Angeles, CA Dermatologic Surgery 1998; 24(8): 875-880. Background The increasing importance that hair transplant surgeons are placing on maintaining the integrity of the naturally occurring follicular unit, has generated great interest in finding the ideal method of graft dissection. Objective The present study […]

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Hair Restoration Research

Dissecting Microscope in the Preparation of Follicular Unit Grafts

Posted by Robert M. Bernstein M.D. on March 6th, 1998

Synopsis: This was the first objective study that showed that using stereo-microscopic techniques to dissect follicular unit grafts, was superior to loop magnification in preserving follicular units and reducing the transection of follicles.

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Hair Restoration Research

New Storage Medium for Hair Transplantation

Posted by Robert M. Bernstein M.D. on March 6th, 1998

Synopsis: This editorial reviews a study suggesting that ATP can be used to increase the life of grafts while they are being held outside the body during a hair transplant.

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Hair Restoration Research

On the Origin of Follicular Unit Transplantation

Posted by Robert M. Bernstein M.D. on March 6th, 1998

Synopsis: This paper traced the beginnings of Follicular Unit Hair Transplantation from Headington’s histologic description of the follicular unit, Limmer’s single strip harvesting and stereo-microscopic dissection and then Bernstein’s idea to use the follicular unit as the sole graft type in the hair restoration process.

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Hair Restoration Research

Measurements in Hair Restoration

Posted by Robert M. Bernstein M.D. on March 6th, 1998

Synopsis: This writing stresses the importance of objective scientific measurements in patient evaluation and surgical planning prior to a hair transplant. Specifically, it explains, in mathematical terms, the greater contribution of hair shaft diameter as compared to the number of hairs in the appearance of fullness.

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Hair Restoration Research

Delayed Growth Revisited

Posted by Robert M. Bernstein M.D. on March 6th, 1997

Synopsis: An editorial that challenges the assumption that insufficient blood supply in a hair transplant is the main contributor to delayed growth.

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Hair Restoration Research

Blood Supply and Delayed Growth: “Seek and Ye Shall Find”

Posted by Robert M. Bernstein M.D. on March 6th, 1997

Synopsis: This editorial challenges those who claim to not have seen delayed growth to look more carefully, since large-graft hair transplants interrupt the blood supply to a greater extent than using large sessions of very small grafts.

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Hair Restoration Research

Aesthetics of Follicular Transplantation: Summary

Posted by Robert M. Bernstein M.D. on March 6th, 1997

Robert M. Bernstein, MD, New York, NY William R. Rassman, MD, Los Angeles, CA Dermatologic Surgery 1997; 23(9): 785-799. Background Follicular Transplantation is a method of hair restoration surgery which uses hair in its naturally occurring groups called follicular units. Using the follicular unit exclusively in the transplant, the surgeon can create hair patterns that […]

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Aesthetics of Follicular Transplantation

Posted by Robert M. Bernstein M.D. on March 6th, 1997

Synopsis: This article focuses on various aesthetic aspects of follicular unit hair transplants including hair distribution, density, hairline design, and temple and crown restoration. It also examines racial variations that can affect the hair restoration. Together with the 1995 paper, these paired articles laid the foundation for Follicular Unit Hair Transplantation.

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Hair Restoration Research

Follicular Transplantation: Patient Evaluation and Surgical Planning: Summary

Posted by Robert M. Bernstein M.D. on March 6th, 1997

Robert M. Bernstein, MD, New York, NY William R. Rassman, MD, Los Angeles, CA Dermatologic Surgery 1997; 23(9): 771-784. Background Follicular Transplantation is a method of hair restoration surgery which uses hair in its naturally occurring groups called follicular units. By using the follicular unit exclusively in the transplant, the surgeon can move extensive quantities […]

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Hair Restoration Research

Follicular Transplantation: Patient Evaluation and Surgical Planning

Posted by Robert M. Bernstein M.D. on March 6th, 1997

Synopsis: This landmark paper details how a patient should be evaluated for Follicular Unit Transplantation, stressing densitometry as a means of assessing both miniaturization and donor supply. It also provides guidelines for the planning of the first and subsequent hair transplant sessions and discusses the management of patients with diffuse androgenetic hair loss.

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Hair Restoration Research

Wall Mounted Placing Stand for Hair Transplant Grafts

Posted by Robert M. Bernstein M.D. on March 6th, 1997

Synopsis: This short article describes the design for a wall-mounted placing stand that can store, chill and protect grafts while they are waiting to be placed into the scalp during the hair restoration procedure.

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Hair Restoration Research

What is Delayed Growth After a Hair Transplant?

Posted by Robert M. Bernstein M.D. on March 6th, 1997

Synopsis: Hypothesizes the possible causes of delayed growth following a hair transplant procedure. It differentiates between physiologic factors that cause normal variations in the growth cycle and those due to graft injury that can possibly be prevented by meticulous surgical techniques.

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Hair Restoration Research

To Itch or Not to Itch After a Hair Transplant?

Posted by Robert M. Bernstein M.D. on March 6th, 1997

Synopsis: A short paper that describes the cause and treatment of the occasional itching that follows a hair transplant procedure.

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Hair Restoration Research

Hair Restoration Megasessions: Answered Questions

Posted by Robert M. Bernstein M.D. on March 6th, 1996

Synopsis: This writing explains the rationale for using large numbers of grafts in surgical hair restoration. It discusses the advantage of megasessions in conserving the donor supply, increasing patient satisfaction, and providing greater flexibility to the surgeon in sorting and distributing small grafts.

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Hair Restoration Research

Laser Hair Transplantation: Is It Really State-of-the-Art?

Posted by Robert M. Bernstein M.D. on March 6th, 1996

Synopsis: This was the first paper to challenge those promoting laser hair transplants and who claimed that lasers would be the future in surgical hair restoration. The publication stressed that lasers caused damage to the recipient area and could result in scarring and poor growth. It explained why lasers were, in fact, inferior to cold steel techniques in making recipient sites.

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Hair Restoration Research

Are Scalp Reductions Still Indicated?

Posted by Robert M. Bernstein M.D. on March 6th, 1996

Synopsis: This publication, written when scalp reductions were at the height of their popularity, cautioned that scalp reductions caused unnecessary scarring, used up precious donor reserves and caused more cosmetic problems than they solved. It suggested that, with the advent of the more robust follicular unit hair transplantation, scalp reductions should not be used in the treatment of androgenetic hair loss. This publication, along with the 1993 paper of O’Tar Norwood, played a critical role causing the rapid decline in the use of scalp reductions in hair restoration surgery. Fortunately, this once common procedure for male pattern alopecia is now rarely used.

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Hair Restoration Research

Follicular Transplantation: Summary

Posted by Robert M. Bernstein M.D. on March 6th, 1995

Robert M. Bernstein, MD, William R. Rassman, MD, Wojciech Szaniawski, MD, Alan J. Halperin, MD SUMMARY of Follicular Transplantation. International Journal of Aesthetic and Restorative Surgery 1995; 3(2):119-132. Follicular Transplantation culminates more than 30 years of hair transplant evolution – from large plugs to the much smaller mini-micrografts. Its development, however, stems from a very […]

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Hair Restoration Research

Follicular Transplantation

Posted by Robert M. Bernstein M.D. on March 6th, 1995

Synopsis: This was the first paper on Follicular Unit Transplantation. This publication introduced into the medical literature the idea of using individual, naturally occurring follicular units exclusively in the hair transplant procedure and stressed using large sessions to maximize the aesthetic outcome. The paper defined the various components of Follicular Unit Hair Transplantation, explained the anatomic and physiologic advantage of using follicular units in the procedure and described how follicular units could be used safely in large numbers to complete the hair restoration as quickly as possible. This publication was instrumental in having hair restoration surgeons shift from the older mini-micrografting techniques to the cosmetically superior technique of using follicular units.

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