OLAPLEX No.4-P Blonde Enhancer Toning Shampoo cleanses while adding hydration and repair. The sulfate-free formula offers customizable blonde maintenance, neutralizing brassiness and brightening blondes. The highly concentrated pigment allows customizable toning levels. The longer you treat, the brighter the toning results. Whether your blonde comes naturally or from your stylist, root to tip or balayage, even if you're proudly grey - this purple shampoo will help keep your color bright.

The sulfate-free formula offers customizable blonde maintenance, neutralizing brassiness and brightening blondes. The highly concentrated pigment allows customizable toning levels. The longer you treat, the brighter the toning results. Whether your blonde comes naturally or from your stylist, root to tip or balayage, even if you're proudly grey - this purple shampoo will help keep your color bright.