Vince Biotin & Keratin Shampoo is designed with a powerful combination of Biotin & Keratin that helps to strengthen hair follicles and hair strands while adding volume to thin hair. It helps cleanse and remove buildup from the scalp to promote a healthy hair & scalp. This shampoo also slows down the shedding process over time to reveal much healthier, softer, shinier and thicker looking hair.