Any chemical treatment can negatively affect the health of your hair, making it weaker, duller, and more prone to breakage. To prevent such changes and protect the hair from future damage, experts from the Italian brand Oyster Cosmetics have developed a special regenerating fluid, the Passport Step 1 Regenerating Fluid. Its formula works on two levels: it reconstructs the damaged sections of the hair and restores the disulfide bonds within the struttura of the hair. The unique Hydra-Lux complex works at the molecular level to hydrate and condition the hair, promoting not only strength but also una beautiful and healthy shine.| Key features of the Passport Step 1 Regenerating Fluid by Oyster Cosmetics: - The main active ingredient is succinic acid derived from natural amber; - Free from parabens, sulfates, EDTA, formaldehyde, petrolatum, and colorants; - Suitable for use with coloring, bleaching, straightening, perming, and hair reconstruction processes; - Restores hair elasticity and strength; - Does not affect the longevity of results after chemical treatments; - Recommended to be used in combination with the Passport 2 Regenerating Cream. || Aqua/Water, Betaine, Amodimethicone/Morpholinomethyl Silsesquioxane Copolymer, Succinic Acid, Glycerin, Glycolic Acid, Trideceth-5, Xanthan Gum, Amber Powder, Phenoxyethanol