Product Description

Brighten and strengthen blonde, lightened, and gray hair with Olaplex No. 4P Blonde Enhancer Toning Shampoo. This purple-toned formula neutralizes unwanted yellow or brassy undertones while Olaplex’s patented bond-building technology repairs and strengthens from within. The result is brighter, cooler, and healthier-looking hair with radiant shine.

Key Benefits

• Neutralizes yellow and brassy undertones

• Brightens blonde, lightened, and gray hair

• Repairs and strengthens bonds to reduce breakage

• Adds softness, shine, and manageability

• Concentrated formula for visible results with less product

How to Use

Apply to wet hair, lather fully, and leave on for 1–3 minutes (longer for stronger toning). Rinse thoroughly. Follow with Olaplex No. 5 Bond Maintenance Conditioner. Use 2–3 times per week or as needed.

Why We Love It at Soho House Beauty Lounge

This is our blonde-brightening essential. It tones and repairs at the same time, keeping blondes cool, glossy, and strong between salon visits.