Its powerful formula also contains a high concentration of vegan collagen, a very powerful natural active rich in amino acids that fills the fiber from the cortex to the cuticle, providing flexibility, strength, hydration, and softness to the hair. Enriched with a high concentration of vegan collagen and Glyoxylic Acid Formula, it can fills the fiber from the cortex to the cuticle and provide flexibility, strength, and softness to the hair. It can also penetrate the deep area of the cortex, changing the structure of the strands for high-performance smoothening.