Olaplex No 4P Toning Shampoo 250ml

Clinically proven to deliver 3X brighter hair*

This ultra-concentrated purple shampoo evens the tone of natural or colour-treated blondes, or greys– neutralising unwanted yellow tones and brassiness to reveal bright, shiny hair.

The hydrating lather gently cleanses hair and enhances softness while repairing everyday damage for stronger, more resilient hair in 1 wash*

Formulated for straight, wavy, curly, or coily hair with fine texture– plus all porosity levels.

Dermatologist Tested. Vegan. Colour-safe and suitable for chemically treated hair.

*When used as a system with N°.5P