The system with OPTI pH, it reconstructs the hair connections for stronger hair. The OPTI pH SYSTEM ensures optimal penetration of the brightening and color molecules for perfect color and lightening development. Fits perfectly with Wella Professionals brighteners and colors. No adjustment of oxidizing agent or activation time necessary.

- reconstructs the hair connections - gently brightening - stronger hair . . . . . . . . . . . . . . . . - Penetration of the brightening and color molecules

Apply at home every week. To do this, wash the hair, apply the product over the entire hair length from the hairline to the tips, leave to act for 5 minutes, then rinse thoroughly and freeze as usual. •br />