Alpecin - Caffeine Shampoo, indicated as an adjuvant in androgenetic alopecia (premature hair loss or male pattern baldness). In addition to its formula allowing caffeine to actively penetrate the hair follicles, exerting its action, it leaves the hair shiny, with a healthy appearance. Contains niacinamide that stimulates the metabolism of hair follicles. Contains menthol that provides a refreshing and calming action .