R+Co Dallas Biotin Thickening Shampoo is your answer to fine, flat hair. It adds vitality and thickening benefits whilst nourishing and strengthening from root to tip. A combination of strengthening and thickening ingredients gives this product its power. Biotin improves the keratin structure of the hair, increasing hair strength and vitality. Saw Palmetto Berry Extract and Loquat Fruit Extract, are packed with vitamins and minerals that adds body and fullness to hair. Pro Vitamin B5 penetrates the hair for hydration and sheen, whilst Coconut Oil is used for added strength and conditioning