Hair extensions are a popular product used to create extra hair length or volume. They may be made of human hair (up to 250 hairs) or artificial hair. There are several types that are attached to the original hair in different ways. These include clip-ins, weaves (sewn to a braided
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Hair growth is cyclical and occurs in three concurrent phases: anagen (growth), catagen (cessation), and telogen (rest). The anagen growth phase is the longest out of the three phases, lasting an average of 2-6 years. At any given time, 85-90% of hair is in the anagen phase. During this phase,
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The hair follicle is described as an immune-privileged site, meaning hair growth is recognized as normal by the immune system (1,2). Strategies such as the use of “no danger signals” communicate that the hair follicle should be left exempt from an immune attack (3,4). Unfortunately, these signals can be shut
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Finasteride (Propecia®) has been in use since the 1990s and is an indispensable part of hair care for thousands of men. Finasteride works by decreasing the levels of the hormone dihydrotestosterone (DHT) (1). Higher amounts of DHT in men promote the shrinking of hair follicles, resulting in thinning/loss of hair.
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Medication There are currently two FDA approved hair loss therapies on the market: Minoxidil – available as a topical foam or solution shown to promote hair growth (1) and can be used by both men and women. Finasteride – an oral medication for men over the age of 18 that
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