Olaplex No. 4P Blonde Enhancer Toning Shampoo 33.8oz

Salon-Size Toning & Repair

Full liter of Olaplex's bond-repairing purple shampoo. Neutralizes brass and yellow tones while strengthening blonde, grey, and highlighted hair from the inside out.

At this size, you can maintain perfect cool-toned blonde all year without worrying about running out—or sacrificing your hair's health for the sake of colour correction.

Best For: Dedicated blondes who tone regularly. Stylists. Anyone serious about maintaining perfect blonde.

How To Use:

Massage into wet hair, lather, leave 1-3 minutes, rinse. Follow with No.5P or No.5 Conditioner.