Biotin & Keratin Shampoo: 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. Key Benefits: Helps to fight against Hair Fall. Contains Biotin. Restores health of existing hair and adds volume. Strengthens Hair Shaft. No Parabens. Application: Apply a sufficient amount of Vince Biotin & Keratin Shampoo generously to wet hair, massage lather throughout the ends, and rinse hair thoroughly with fresh water.