The caffeine-containing active ingredient combination of Alpecin Caffeine Liquid keeps hair roots awake and contributes to extending their growth phases for longer than provided for by hereditary predisposition. When applied, it causes a fresh tingling on the scalp. Its active ingredients travel along the hair shaft and form a depot sufficient for up to 24 hours. The hair roots become more productive and hair growth is accelerated. Counteract premature hair loss at the source with Alpecin Caffeine Liquid.   How to use: Apply in the morning and after each hair wash to the towel-dried scalp and massage in. Do not rinse out! Allow to dry briefly, then comb hair again. Style as usual. Avoid contact with the eyes.