OXYGEN O2 treatment by Abril et Nature. Daily use treatment for sensitive scalps, instantly repairs hair, leaving it more silky and shiny. The result is that the hair fiber ends up being stronger and more resistant to breakage. It contains different sizes of keratin amino acids and the smallest particles are introduced inside the hair fiber and the largest ones repair the external part. It also has vegetable extracts of blueberry, sugar cane, sugar maple, orange and lemon, which contains a large amount of natural hydroxy acids that act as moisturizing and softening agents for the hair.