KT Professional Kehairtherapy Ultra Smooth Conditioner is sulfate free and gives long lasting result for keratin and cysteine treated hair and protects the hair colour. This ultra-smooth conditioner with antioxidant and vitamin-rich acai oil along with cupuacu oil, helps repair and protect damaged hair. Its unique formula provides deep hydration to hair with maximum nourishment, leaving it extra soft and smooth. Works excellent for sensitive scalp and helps balance and restore hair with deep rooted frizz control.