What is Alpecin Caffeine Shampoo? Alpecin caffeine shampoo, the active ingredient combination that contains caffeine, effectively helps preserve the vigorous growth of hair. Its active ingredients travel through the hair shaft and produce a fresh feeling of tingling on the scalp. Benefits: The caffeine formula used in this product is unique, when it is used daily for 2 minutes, it stimulates hair growth and protects the hair from roots. The Alpecin Caffeine Shampoo strengthens hair by providing more volume to the hair. When the product is used for 2 minutes daily, the active ingredients penetrate into the hair roots and built up a depot of 24 hours. Enhance the performance of the hair by making it stronger from the roots. Even fine hairs become stronger through the use of the Alpecin Caffeine Shampoo, which makes the styling of hair a lot better. Ingredients: Aqua, Sodium Citrate, Mentho Sodium Laureth Sulfate, Laureth-2, Polyquaternium-7, Disodium EDTA, Disodium Laureth Sulfosuccinate, Sodium Lauroyl Glutamate, Sodium Chloride, Caffeine, Panthenol, Parfum, PEG-120 Methyl Glucose Dioleate, Hydrolyzed Wheat Protein, Citric Acid, l, PEG-40 Hydrogenated Castor Oil, Potassium Sorbate, Sodium Benzoate, Zinc PCA, Niacinamide, Limonene, Tocopherol, Phenoxyethanol, Propylparaben, Methylparaben, CI 42090, CI 60730. Men and women both can use this product.