Viviscal PRO Thin to Thick ConditionerWhy Viviscal Professional Thin to Thick Conditioner? Lightweight conditioner promotes the appearance of healthy looking hair growth* Conditions the scalp and promotes thicker looking hair with Ana: Tel, a proprietary complex containing clinically tested ingredients derived from natural sources, such as pea sprouts and grape seeds Nourishes with Biotin, Collagen & Keratin Free from Sulfates, Parabens & Artificial Colors Suitable for everyday use and