The Tresemmé Amplified Volume Collagen Infusion Shampoo is a 28 fl oz conditioner that promises to infuse hair with collagen for added volume and strength. This unopened product from the trusted brand Tresemmé is perfect for anyone looking to improve the texture and thickness of their hair. With its large volume size, this shampoo can provide multiple uses for a luxurious hair care experience. Final sale, no returns or exchanges. Thank you for shopping by!