Blue shampoo L'oréal Professionnel to neutralize warm tones in darker hair.

Features:

- neutralizes unwanted warm shades
- strengthens the cool tone of the hair
- contains blue pigments
- adds intense shine

Usage:

1. Apply to wet hair.
2. Leave on for 2-5 minutes.
3. Rinse thoroughly and repeat if necessary.
4. Finnish with haircare.

300 ml