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    GlossaryFollicular Ostia

    tiny openings on skin where hair emerges

    Follicular ostia are the tiny openings on the surface of the skin from which hair grows. These openings are essentially the visible part of hair follicles, and their presence and condition can be important indicators in diagnosing various scalp and hair disorders, such as alopecia.

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      learn HMI-115

      much-hyped research compound targeting prolactin receptor in scalp

      learn GHK-Cu

      a copper peptide showing promise in both regrowth and reversing gray hair

      learn Caffeine

      the stimulant you know and love can be used topically to stimulate hair

      learn Minoxidil

      An essential vasodilator with some anti-androgenic effects, has excellent safety record

      learn Tretinoin

      the gold standard retinoid in dermatology that's also helpful for hair regrowth alongside Minoxidil