N°.4P Toning Shampoo with Blonde EnhancerTM The best-selling shampoo from Olaplex is now designed to highlight blonde beauty. The newest Bond Maintenance Shampoo balances out any blonde's brassiness with the perfect amount of purple deposit. This ultra-concentrated purple shampoo hydrates hair from roots to ends while cleansing, toning, and repairing. For all blonde, lightened, and grey hair types, the sulfate-free formula produces a rich lather to counteract brassiness and enhance brightness after just one use. 4-P shampoo will help keep your color cool whether your blonde is naturally occurring or was styled by a professional, whether your hair is balayage, root to tip, or you're proudly grey. Experimented Verified: 3x Brighter* *In Comparison to Leading Purple Shampoos Features: Brightens, hydrates, and repairs - Removes undesired yellow tones For everyone who is fair-skinned and