Caffeine C1 30g Hair Growth Essential Oil. Effective on all hair areas: Beards, Armpits, Chest, Pubic etc.. The oil is enriched with multiple natural nourishing ingredients that infiltrate into the hair follicle roots, repair & activate the dormant hair follicles, increase nutrient absorption and accelerate hair growth.Treat your hair with rich nourishment, strengthen the nutrition of hair root, accelerate hair growth, and prevent baldness effectively and cure scalp and provide it with protection.