The caffeine-containing active ingredient combination keeps hair roots awake and contributes to extending their growth phases for longer than provided for by hereditary predisposition: Counteracts premature hair loss Increases hair root productivity Enhances the speed of hair growth 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. Application: 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.