Product Overview 

Keratin Alpha Sleek Professional hair mask by L'Oréal Professionnel, formulated with Keratin-Alpha shapers and Amino-acid chains. The professional mask has a rich, sensorial texture that reduces visible frizz after one use¹ and provides up to 3x less unwanted volume¹. When used with the full routine, it will reprogram hair for up to 2 weeks of frizz control. ² The professional hair mask softens and hydrates hair and controls unwanted volume for daily styling in half the time³. It helps control unwanted volume and delivers instant shine that lasts up to 5 days⁴ and helps to protect hair from breakage, improving softness from the first use⁴. Suitable for all hair types. This mask is artificial colorant free, and alcohol free. ¹Instrumental test. ²Consumer test on 68 participants, 1 application/week for 4 weeks. Based on a 15-day break observation.³Instrumental tests with routine 4 times of Shampoo + Smooth Transformer + Leave-on. ⁴Instrumental test after 1 application of shampoo, mask & serum.

How To Use 

• -For instantly smoother hair, use this professional mask.
•  For long-lasting smoothness, use the Keratin Alpha Sleek
•  Smooth Transformer once a week, and use this mask on other wash days of the week.
•  -After using the Keratin Alpha Sleek professional shampoo, apply evenly from mid lengths to ends.
• -Leave on for 5 minutes and rinse.
• -In case of contact with eyes, rinse immediately and thoroughly.