The Nº.4P Blonde Enhancer Toning Shampoo, is a highly concentrated purple shampoo that cleanses, tones and repairs with a sulphate-free formula that neutralizes brassiness and boosts brightness after just one use.

infused with patented OLAPLEX Bond Building Technology®

Bring your hair back to life with Olaplex No.4P Bond Maintenance Purple Shampoo! Formulated with Olaplex Bond Building Chemistry, this rich, luxurious shampoo helps restore strength, integrity, softness, and shine to your hair. Leave your locks looking vibrant and healthy!

• Neutralizes unwanted brassiness and yellow tones.
• Cleanses without stripping and drying.
• Sulfate free and PH Balanced.
• Flexible timing allows for a more customizable end result.
• Scientifically proven: 3x brighter*
  
  

*compared to top purple shampoos.