Our Filler Collagen Shampoo is specially designed to rebuilds strength and elasticity. It infuses nutrients into every strand, while plumping collagen adds volume and dimension, and hydrolyzed wheat proteins strengthen for thicker, fuller, healthier looking hair. After just one use, strands feel thicker and look fuller and more abundant! Helps to thicken and texturize any hair type! Immerse your skinny strands in this super volumizing formula to create fuller looking, shiny hair after just one use. Our Collagen Filler Shampoo are safe for color-treated hair and safe for all hair types.