With OGX® Thick & Full + Biotin & Collagen Shampoo (40 fl. oz.) on your side, you can enjoy gorgeously healthy hair that feels as great as it looks. This large-size bottle is sure to become your new favorite weapon in the battle against dull and lifeless locks. About OGX Thick & Full + Biotin & Collagen Shampoo This 40-ounce shampoo is made with an exclusive blend of provitamin B7 biotin, collagen and hydrolyzed wheat protein. It is formulated to breathe new life into each strand of hair, plumping it with volume for an overall look of thick, volumized tresses. OGX is a top-selling self-care brand that strives to create products using natural and innovative ingredients. Their products are made in America and have not been tested on animals. Are Biotin and Collagen Shampoo Good for My Hair? Yes! They are incredibly nourishing ingredients that pamper your hair. And, unlike many types out there, this biotin collagen shampoo is free of sulfates, a cheap additive that damages hair. Some shampoos have great ingredients as well as sulfates, which can actually reverse the positive effects of the good ingredients. Since OGX Biotin and Collagen shampoo has excellent ingredients and zero sulfates, it’s a safe bet that it’ll be nourishing and gentle, even on already-damaged hair. For those who want the best shampoo for their hair that’s actually affordable, look no further. Will OGX Thick & Full + Biotin & Collagen Shampoo Make My Hair Fuller? Yes! As the name suggests, OGX Thick & Full Biotin & Collagen Shampoo is made to plump hair with its provitamin B7 biotin and collagen formula. These natural ingredients make hair look thicker and volumized with each use, so it’s especially effective for those who have limp locks and are craving a thicker-hair look. Not only will your hair look fuller, but it will also boast touchable softness and gorgeous shine.