Low Level Laser Therapy (LLLT) Stimulates Hair Growth in Lab

August 27th, 2009

Aug 21, 2009 – BOCA RATON, FL – A study conducted by Laboratoire Bio-EC — of Paris, France — on the on ex-vivo growth of hair from Low Level Laser Light exposure of hair follicles in culture medium were presented recently at the 17th Annual Meeting of the International Society of Hair Restoration Surgeons (ISHRS).

Michael Hamblin, PhD from Harvard Medical School/Wellman Center for Photomedicine, compared a dose of laser energy and a reference dose on the growth of hair in a lab culture to show that laser energy stimulated hair growth. Isolated follicles were placed in the Philpott hair culture medium, exposed to low level laser irradiation, and measured for hair length increases. Analysis of hairs grown ex-vivo exposed to the two laser doses, were photographed at regular intervals over ten days.

The conclusion of the study was that the wavelength dose studied induced statistically significant increase in hair growth vs. control dose at the conclusion of the study.

The significance of these results is that it documents the ability of laser light to stimulate hair growth in vitro. The results showed that laser energy stimulated proliferation of cells in the hair matrix.

For more information, see the Bernstein Medical – Center for Hair Restoration section on low level laser therapy.




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Posted by Robert M. Bernstein M.D. on August 27th, 2009 at 10:29 am







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