Our Keratin + Biotin Volumizing Shampoo is a great addition to your daily haircare routine for a clean, clarifying start to your day! Keratin and biotin work in tandem with other nourishing essential oils to help you attain that bouncy and healthy appearance which makes your hair ...Our Keratin + Biotin Volumizing Shampoo is a great addition to your daily haircare routine for a clean, clarifying start to your day! Keratin and biotin work in tandem with other nourishing essential oils to help you attain that bouncy and healthy appearance which makes your hair look fuller. This moisturizing formula includes tea tree, coconut, rosemary, argan, and other essential oils for hair that is hydrated from roots to tips. Get a thicker-look and take on your day with confidence with Keratin + Biotin Volumizing Shampoo.