caffeine cosmetics use
Use of a Cosmetic Caffeine Lotion in the Treatment of Male Androgenetic Alopecia. alpha leve! of 0.05). For the primary efficacy variable (hair pulled. back to pull-test) mean, standard deviation, 25%. -50% -[average] and 75%-percentiles were calÂ­. culated at baseline, after 2 months and 4 months.