Alterra hair tonic, which contains caffeine, cares for the hair and makes it look shiny and full. Betaine helps prevent hair loss and grow hair. •It is a vegan product. •It is a Klimaneutral (non-harmful to the climate) certified product. •It is a Natrue (natural content cosmetic product) certified product. Usage: Apply by massaging into the scalp twice a day and wait for it to dry. Do not rinse. Use for at least 3 months.