Keratin Alpha Sleek Professional hair mask by L'Oréal Professionnel, formulated with Keratin-alpha shaper and Amino chains. 
The professional mask has a rich, sensorial texture that deeply nourishes while reshaping and smoothing hair keratin. 
It softens and hydrates hair, bringing an instant shine, frizz & volume control. 
Use full routine to lock in 2 weeks of smooth, frizz & volume controlled hair*. 
Suitable for all hair types. 
This mask is artificial colorant free, and alcohol free. 

* Instrumental tests after 4 applications of Keratin Alpha Sleek Shampoo + Smooth Transformer + Serum