Olaplex Nº.6 Bond Smoother is a highly concentrated leave-in cream that strengthens, hydrates, and tames frizz for up to 72 hours. This velvety formula enhances both blow-dried and air-dried styles without weighing hair down while offering heat protection up to 450°F or 232°C. Ideal for all hair types, including colored and chemically treated hair, it delivers smoother, softer, and more resilient strands with every use. Worth Noting Strengthens and repairs Hydrates Smooths and reduces frizz pH balance: 4.0-5.0 Colour-safe Vegan and Cruelty-free Gluten-free and Nut-free Paraben-free, Sulfate-free, Phthalate-free, Phosphate-free Free of DEA, Aldehydes and Formaldehydes Standout Ingredients Bond-Building Technology restores damaged and compromised hair by repairing from the inside out with their patented single ingredient, Bis-Aminopropyl Diglycol Dimaleate How-To Apply one pump to clean, damp hair Comb through & style as desired Begin with one pump Add more as needed Can be applied to dry hair for added frizz control and hydration