OLAPLEX - No.4 - 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

How to use 

A little goes a long way with this highly concentrated formula.

250mL: Up to 100 applications*

1000mL: Up to 400 applications*

*Based on the average application size of 2.5mL

1. Apply a generous amount to wet hair.
2. Lather. Allow to process for 2 minutes.

3. Rinse.

For best results, follow with N°.5P Blonde Enhancer™ Toning Conditioner.


This product contains ingredients that may cause skin irritation on certain individuals, and a preliminary test according to the accompanying directions should first be made. This product may not be used for dyeing of eyelashes or eyebrows; to do so may cause blindness. Avoid contact with eyes. In case of contact with eyes, rinse immediately.

Patch test: apply a small amount of the product on the inside of your elbow or behind the ear and wait for 48 hours. Do not use if irritation occurs. Wear gloves.