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Showing results 81 - 90 of 100 for the search term: dht.

orm diameter and, occasionally, fine vellous hairs, with the two hair populations being clinically distinct. In androgenetic hair loss, the action of DHT causes individual terminal hairs in some follicular units to miniaturize, where they begin to decrease in diameter and in length until they resemble vellous hairs. Eventually, these hairs will disappear. In androgenetic alopecia, hairs in varying stages of involution (and thus of varying diameters) cause these two distinct populations of hairs to merge into one continuum. The changes eventually cause visible thinning in affected areas, but may initially be detectable only through densitometry. At first, miniaturization involves only one or two hairs in select follicular units, but eventually progresses to involve all the hair follicles in genetically susceptible areas. It has been the observation of these authors that a shift from focal to generalized miniaturization precedes the actual loss of affected hairs, so that total hair counts remain relatively constant until end-stage baldness.
hat do you think? A: This claim is obviously overstated. Since the Low Level Laser Therapy (LLLT) doesn't affect the action of DHT on hair follicles, it doesn't affect the underlying cause of genetic hair loss, and thus would be expected only to have limited effectiveness. The company's own studies show that this is, indeed, the case. It was also predicted that Rogaine would revolutionize the field of hair restoration and it had little impact. In my opinion, only finasteride has made a significant impact on the long-t
shrunken follicles to cosmetically viable hair. Minoxidil works by directly simulating miniaturized follicles to grow, whereas finasteride blocks DHT, the hormone that causes hair to miniaturize and eventually fall out. Finasteride is much more effective than minoxidil in preventing or reversing the miniaturization process and it is so much more convenient to use that we generally suggest
strong>A: Normally, the donor area contains hairs of very uniform diameter (called terminal hairs). In androgenetic hair loss, the action of DHT causes some of these terminal hairs to decrease in diameter and in length until they eventually disappear (a process referred to as "miniaturization"). These changes are seen initially as thinning and eventually lead to complete baldness in the involved areas.
om/hair-loss/">hair loss due to heredity (i.e. androgenetic alopecia) -- in which hair progressively decreases in diameter under the influence of DHT -- and other causes. The degree of miniaturization can be assessed using a hand-held instrument called a densitometer. The pattern of hair loss and the family history are also important in the diagnosis. Stress more commonly produces telogen effluvium, a generalized shedding that is not associated with miniaturization and is often reversible without treatment.
n. Like finasteride (the active ingredient in Proscar and Propecia), dutasteride blocks the enzyme 5-alpha reductase that converts testosterone to DHT (DHT is a key hormone that causes hair loss). However, unlike finasteride, which only inhibits the Type I form of the enzyme, dutasteride inhibits both the Type I and Type II forms. This combined effect lowers circulating DHT more with dutasteride than with finasteride, but also increases the incidence of its side effects. The Type II form of the enzyme (blocked by finasteride) is found predominantly in the hair follicle. The Type I form of the enzyme has been found in the scalp and sebaceous glands, and many other parts of the body, but its exact role in hair growth has not been determined. It is felt that dutasteride's ability to dramatically lower serum levels of DHT is what makes it a more potent medication in hair loss. When considering the safety of dutasteride, one should consider the following:

Showing results 81 - 90 of 100 for the search term: dht.




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