OLAPLEX® No.4P BLONDE ENHANCER™ TONING SHAMPOO strengthens, softens, and neutralizes unwanted yellow tones for brighter, more manageable hair. The sulfate-free, highly concentrated formula allows for customizable toning — The longer you treat, the brighter the results.
HOW TO USE: Apply to wet hair. Lather fully & let process 1-3 minutes. Rinse. For more intense toning, leave on up to 5 minutes.
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