Strengthening & Thickening Formula. Color Safe. Free of Sulfates, Parabens & Gluten. pH 4.5-6.5. A luxury natural blend with Vitamin B7 Biotin, Hydrolyzed Collagen, and Argan Oil, it helps to restore necessary nutrients into every strand and make your hair look stronger, fuller, thicker, and healthier. This formula strengthens and thickens hair, is safe for colored hair, and is free from sulfates, parabens, and gluten. It is designed for fine, dry hair with a pH of 5.5-6.5. The blend contains biotin, hydrolyzed collagen, and argan oil essential for each hair type, restoring nutrients and creating strong, voluminous, thick, and healthy-looking hair. To use, after wetting hair, apply shampoo and gently massage into hair and scalp. Wash off thoroughly. For best results, follow with Luseta Biotin Collagen Conditioner.