Biotin & Collagen Thickening Shampoo

Best shampoo ever!! I have very fine and thin color treated hair. I was previously using Olaplex shampoo and while I love the other products they make, their shampoo was making my hair too oily and...

Best shampoo ever. First shampoo I have found that helps my color last longer. It has no sulfates and does not strip my hair at all. Leave it so shiny and healthy. Be sure to use the matching...

Lovely shampoo - not over drying. Does seem to thicken the mane -- not sure mechanism of action, but I perceived thicker hair, yes indeed! Note: use leave-in conditioner before and after to...