Olaplex No. 7 Bonding Oil. 1 fl oz. Bonding hair oil is a highly-concentrated, weightless reparative styling oil that dramatically increases shine, softness, and maintains color vibrancy. Olaplex No. 7 bonding oil minimizes flyaways and frizz, while providing heat protection of up to 450 degrees. Benefits: Instantly boosts shine, color vibrancy, and softness, 450 degree heat protection. 125% more shine, 72 Hr frizz control and humidity resistance, 77% reduction in breakage. (Cash Only)