Deep condition your hair and protect them from damage to get smoother hair with the TRESemme Keratin Smooth Conditioner. With its lower sulfate formulation, it helps restore keratin in your hair and nourishes its every strand to leave your hair straighter and shinier. Infused with Keratin and light-weight Argan oil, this nourishing conditioner can make your hair visibly straight and smoother. The Keratin-Argan Oil formulation conditions and strengthens your hair as well as provides them the hydration and elasticity that they need. With its dual action, TRESemme Keratin Smooth professional conditioner can make your hair up to 100% smoother and give them extra shine.