Plantur 39 caffeine is a caffeine based formula of this tonic which prevents hair growth from weakening after menopause the caffeine shampoo contains phytoflavones from white tea particulary gently extracted ative ingredients from the tea plant that enhance the resistance of the scalp and the hair follicle phytoflavones act as a protective agent from free radicals and improve regeneration the active ingredient penetrates the hair follicle already during that hair wash detectable after 1