Olaplex Nº.7 Bonding OilWhat It Is Bonding Oil No. 7 is the first of its kind. Highly concentrated, ultra lightweight, reparative styling oil that dramatically increases shine. What It Does Adds softness and strength, and enhances all hair types and textures Heat protection up to 450F 230 Repairs & strengthens Detangles, reduces frizz & flyaways Color safe, extends color and renews vibrancy Ultra lightweight, no residue Conditions hair Shortens drying time Enhances natural