Go deep in the heart of volume with DALLAS Biotin Thickening Shampoo by R+Co. A shampoo that volumizes with biotin and vitamin B5, so the keratin structure of the hair is actually improved and appears thicker. Coconut oil adds luster and shine, but hair isn't weighed down. For thin, fine hair. Because bigger really is better. Key Ingredients: Pro Vitamin B5: deeply penetrates the hair and provides intense hydration, while coating strands to add a natural sheen Biotin: improves the keratin infrastructure of hair to increase strength and vitality Coconut Oil: Adds luster, shine and softness to the hair and prevents hair breakage and split ends by promoting a healthy scalp Saw Palmetto Berry Extract: adds body to hair, helping it to appear thicker Key Benefits: Adds volume for thin, fine hair Improves the keratin structure Vegan and cruelty-free | R+Co Dallas Biotin Thickening Shampoo , 8. 5 fl. oz | Dermstore