It also contains Keratin, a very important property for these types of capillary alignment treatments, as it strengthens the hair and replaces and fills gaps that are lost over time and which makes the hair weakened and weak. The professional Mask Solution Açaí Brazilian Smoothing Shine is a nutritious complement composed of Açaí extract and Keratina. Which creates a protective layer on the hair, eliminating frizz and sealing the cuticles. Provides healthy, silky, conditioned hair with radiant shine.