Now with 100% More Biotin Vitamin B6. Nourishing shampoo for chemically-treated hair developed to cleanse the hair and scalp to create the optimum environment for healthy hair growth. why is it different? Daily cleansing shampoo creates an optimal scalp environment for fuller, healthy-looking hair. Formulated with a strong blend of nutrients, proteins and humectants, it gently removes product buildup, environmental pollutants and toxins from the hair and scalp. Thicker, Fuller-Looking Hair in Just One Week.* Color-safe. *based on a one-week independent consumer study of the shampoo and conditioner who is it for? Nutri-Ox Shampoo for Chemically-Treated Hair is ideal for those with chemically-treated fine and thinning hair.