The Biotin & Collagen Hair Mask is a beneficial treatment that should be used in conjunction with the Biotin & Collagen Shampoo and Conditioner. It helps to restore the natural nutrients the hair needs to grow thick and strong. Hair will be protected from harmful pollutants in the environment as well as UV rays. • New with tags • Brand Luseta • Strengthening and thickening • Color safe • Free of sulfates • For thin and dry hair • 16.9 fl oz