Life doesn’t always run smooth, but there’s no reason why your hair can’t. Our redesigned Keratin Smooth Conditioner, with powerful Keratin, is specially formulated to give you noticeably smooth, manageable hair that keeps frizz on the fringe for up to 72 Hours.* When used with the pairing Keratin Smooth Anti Frizz Shampoo, formulated with advanced Lamellar-Discipline™ technology and a luxurious fragrance, this salon-quality conditioner nourishes each strand to leave hair silky, shiny and totally under your control. *TRESemmé Keratin Smooth Shampoo and Conditioner system vs. non-conditioning.