Thick And Full Biotin And Collagen Amplifying Lotion is a high performance blend of powerful ProVitamin B7 biotin infuse nutrients into every strand while plumping collagen adds volume and dimension, and hydrolyzed wheat proteins strengthen for thicker, fuller, healthier looking hair. This is a lightweight cream evenly distributes throughout your strands to create thickness, volume, and texture. These products are safe for color treated hair and safe for all hair types.