This vitamin-enriched shampoo with Biotin B-7 Complex ™ and Vitamins C, E and Pro Vitamin B5 leaves hair clean, nourished, healthy-looking and sensational. Application: Add a small amount of water to create a lather. Massage into hair and scalp and rinse. Repeat as needed. Rinse well and apply Peter Thomas Roth Mega-Rich ™ Conditioner for soft, smooth, stylish and touchable hair.