NATURE INSPIRED PROFESSIONAL HAIR CARE SOLUTION: The Biolage Smooth Proof Shampoo is formulated to provide up to 72 hours of smoothness even against 80% humidity- ENRICHED WITH NATURAL INGREDIENTS: Infused with water-resistant Camellia flowers' extract and glycerin & no added parabens, ensures a safe hair care regime for straight, smooth hair & instant shine- SUITABLE FOR ANY HAIR TYPE: The Biolage Smooth Proof shampoo is your natural, high-quality go-to solution to tame your frizz & flyaways. Suitable for any hair type- UPGRADE WITH Smooth Proof REGIME SYSTEM: Improve manageability using the shampoo, conditioner & serum system - a complete natural regime developed for your healthy hair- COMMITMENT TO SUSTAINABILITY: Vegan & sustainable, the brand has been given the Leaping Bunny stamp of approval by Cruelty Free International. From formulas to packaging, all of our products are produced through responsible manufacturing and green science.