Ultra-nourishing formula, neutralizes unwanted undertones to illuminate cool blondes for even brightness. Neutralizes brassy and yellow undertones for a flawless blonde and deeply nourishes the fiber.
HOW TO USE:
Apply Sérum Extentioniste directly to the scalp on cleansed, towel-dried hairFrom 2 to 3 pipettes, position the pipette directly at the root and scalp to distribute 1 full pipette of the serum in a straight line from the front to the back of the headFollow the pipette with your fingers to massage the serum into the root and scalp as you work through each sectionOnce application is complete in all sections, massage the entire head to distribute the serum evenly and comb throughLeave in and proceed to blow dryRecommended to use at least 3 times a week