The Viviscal Professional Thin to Thick Shampoo combines Biotin, Collagen, and Keratin to promote healthy-looking hair growth.; Composed of pea sprouts and grape seeds, it encourages thicker hair.; It cleanses the scalp and hair while maintaining the scalp's health, leaving hair with refreshed botanical fragrance.; Ideal for adults with thin hair.; For best results, use as part of the complete Viviscal PRO hair growth program.; Safety information includes external use only, avoid contact with eyes, and keep out of children's reach.