Use the Keratin Smooth system to get smooth, more manageable hair for up to 48 hours. So get ready to say so-long to frizz with the latest salon innovation. When used with Tresemme Keratin Infusing Shampoo, this salon-quality conditioner nourishes each strand to leave hair smooth, shiny and manageable. The system transforms your hair, making your hair gorgeously sleek with less frizz, smooth and easy to style.Comes in 500 ml bottle.