Our silk amino acid and biotin shampoo enriches as it protects hair from moisture loss and conditions it to provide a silky smoothness and UV-B Protection Hydrolyzed Silk assists in and hydrates the hair without feeling heavy. Biotin and ProVitamin B5, two powerful vitamins that strengthen, nourish and add luster to hair. Hydrolyzed Wheat Protein helps bind moisture to hair and provides a protective barrier. Vital nutrients repair and evenly distribute the hair’s pH level, allowing it to be smooth with a healthy luster. Provides superior wet and dry combing, smoothing and protection against heat. Prevents fading of color. Safe for natural texture, colored, straightened, chemically-treated and human hair extensions.