Our rosemary thickening shampoo contains vitamin C(ascorbic acid), vitamin E(tocopherol), titanium dioxide. It increases the strength of the hair and reduces breakage. Its color method is simple: wet your hair and scalp with water. Rub appropriate amount into hands to lather, apply to hair and scalp, massage for 2-3 minutes. Rinse with water. It can also increase the thickness of the hair and make the hair fuller.