what is biotin shampoo
MANAGE MY CARD. OGX. Thick & Full Biotin & Collagen Shampoo. Thick & Full Biotin & Collagen Shampoo by OGX is a high performance blend of powerful ProVitamin B7 that infuses into every strand, while plumping collagen adds volume and dimension, and hydrolyzed wheat proteins strengthen, for thicker, fuller, healthier looking hair.