This vitamin-infused shampoo with Biotin B-7 Complex™ and Vitamins C, E and Pro Vitamin B5 leaves hair clean, nourished, healthy-looking and head-turning. Unisex spa scent leaves hair smelling great for days. Participants in a three-day consumer efficacy study reported*: • 94% agreed their hair looked shinier • 94% agreed their hair looked healthier • 94% agreed their hair looked more nourished • 91% agreed their hair felt clean and fresh • 88% agreed their hair texture felt softer and smoother • 85% agreed their hair felt silky • 82% agreed their hair felt 'weightless' and not greasy • 70% agreed they noticed a decrease in hair breakage *A total of 34 female subjects, ranging in in age from 19 to 65 (in conjunction with Mega-Rich™ Conditioner). Biotin B-7 Complex™ - helps improve the appearance of body and shine for thick, healthy-looking hair. Vitamins C & E - provide anti-oxidant benefits. Pro Vitamin B5 - helps weightlessly condition and nourish the look of hair. Using a small amount, add a little water to create a lather. Massage into hair and scalp and rinse. Repeat if desired. Rinse well and follow with Peter Thomas Roth Mega-Rich™ Conditioner for hair that is soft, smooth, stylish and touchable.