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Olaplex Nº.4P Blonde Enhancer™ Toning Shampoo

Product Code: 21232

Dispatch Usually Within 1 Business Day

Sale price

from £4.50

Regular price


ex. VAT

Sale price

from £5.40

Regular price


inc. VAT

  • 1000ml - £47.60
  • 20ml - £4.50

The Nº.4P Blonde Enhancer™ Toning Shampoo, infused with patented OLAPLEX Bond Building Technology®, is a highly concentrated purple shampoo that cleanses, tones and repairs with a sulfate-free formula that neutralizes brassiness and boosts brightness after just one use.


  • 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.

How to use:

  1. Distribute evenly between palms first.
  2. Apply to wet hair and lather fully.
  3. Leave on for 1-3 minutes. (For more intense toning, leave on up to 5 minutes.)
  4. Rinse well and condition. For optimal brightening and hydration, use Nº.5P Blonde Enhancer™ Toning Conditioner from roots to ends.