Androgenetic alopecia (AGA) is the most common form of hair loss and it occurs in genetically susceptible individuals due to the effects of testosterone and its derivative dihydrotestosterone (DHT). The most common methods used for treating AGA are topical minoxidil, finasteride (males only), and surgical hair transplantation. LLLT has emerged as a new therapeutic approach to treat AGA.
LLLT mediated by a laser comb was approved by the FDA as a safe treatment for male and female pattern hair loss respectively .Laser photo therapy acts by
- Prolonging duration of anagen phase/hair growth phase.
- To prevent premature entry of hairs follicles into the resting phase / fall off phase.
- Stimulates a molecules no which will expand blood vessels and enhance blood.
- Flow to the treated area.
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