Serie Expert Keratin Alpha Sleek Rinse-Off Mask 500ml by L'Oréal Professionnel.

Features:

• Reprogram hair for up to 2 weeks of frizz control*
• For up to 5X smoother hair with up to 2x less frizz**
• Controls unwanted volume for daily styling in half the time***
• Progressive Reprogramming: After 4 uses, Smooth Transformer resets hair discipline**** at the Keratin Alpha level for a total fibre transformation*****

*Consumer test on 68 participants, 1 application/week for 4 weeks. Based on a 15-day break observation

**instrumental tests

***Instrumental tests with routine 4 times of Shampoo + Smooth Transformer + Leave-on

****After 4 applications of Smooth Transformer

*****Instrumental and consumer tests.