L'Oréal Professionnel Serie Expert Liss Unlimited Smoothing Double Serum is designed to transform the hair from frizzy and fly-aways into superb salon perfect finish with silky softness. It is enriched with Keratinoil complex technology that combines Pro Keratin complex of amino acids with wheat protein that improves and maintains hydration, and Kukui Oil with Evening Primrose Oil from Asia to provide and reinforce protection against humidity. This sweet cocktail instantly tames the frizz, strengthens and smooths even the most unruly hair.