Olaplex No4 Purple Shampoo 250ml

OLAPLEX N.0 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. Repairs, Hydrates & Brightens, For all blonde, Lightened & Grey Hair, Apply to wet hair, Lather fully and let it process for 1-3 mintues . For more intense toning, leave on up to 5 mintues. If the hair has product build up, cleanse first with N.0 4 BOND MAINTENANCE SHAMPOO