- This vitamin-infused conditioner nourishes with a mega-luxe Biotin B-7 Complex™ while Vitamins C, E and Pro Vitamin B5 leave hair soft, smooth, stylish and touchable. 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 age from 19 to 65 (in conjunction with Mega-Rich™ Shampoo). 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. Wash hair first with PETER THOMAS ROTH Mega-Rich™ Shampoo, rinse well. Apply PETER THOMAS ROTH Mega-Rich™ Conditioner to hair and work through hair until evenly distributed. Rinse well and style as usual.