Double hair care, before washing, to reconstruct and remove calcium from damaged hair. It repairs persistent damage and strengthens the hairs resistance, leaving it more resistant, smoother and shinier. Features With a transparent gel texture, this amazing product intensively repairs persistent damage by reconnecting broken keratin bonds, thus increasing hair strength and structure. Hair becomes more resistant, shinier and takes on a healthier appearance, as if it had been renewed. BENEFITS Removes calcium* and intensively repairs persistent damage. Combats hardness and dull appearance. Reconnects broken keratin bonds* for deep internal structural repair. Hair regains 99% of its original strength. +97% strengthening of the internal hair structure* 93% fewer breakages** 75% more shine** *Instrumental test after 6 applications of Première Concentré + Bain + Fondant/Masque **Instrumental test Instructions for use Apply a generous amount to damp lengths before shampooing and massage well. Leave the product on for 5 minutes. Do not rinse hair. Apply Première Bain directly on top to maximize effectiveness. Rinse and follow with Première Fondant or Masque Active IngredientsCitric Acid: An organic acid that works from the core to the surface to deeply remove excessive calcium buildup, thus combating dullness and stiffness.Glycine : After calcium is removed, this amino acid penetrates the inside of the hair and repairs it deeply.