Biolage Smooth Proof Conditioner controls frizz and deeply nourishes hair without heaviness. Enriched with camellia oil and glycerin, it effortlessly detangles, smooths, and tames unruly strands. Ideal for anyone seeking sleek, frizz-free hair with lasting softness. Biolage Smooth Proof Conditioner is designed to smooth and nourish hair naturally prone to frizz. It instantly detangles, making hair easier to manage while delivering lightweight hydration. Formulated with an antifrizz blend of camellia oil and glycerin, it effectively tames frizz and enhances smoothness. This vegan formula contains no animal-derived ingredients and comes in a tube made from 73% recycled plastic. Free from parabens, mineral oils, silicones, and colorants, it is also certified cruelty-free by Cruelty Free International’s Leaping Bunny Programme.