SOS Repair fills the cracks in the hair resulting from external influences and restores its surface. Damage to the surface of the hair, which occurs within a year, is restored only after three uses *. USE: apply to the entire length of the hair after shampooing. Leave on for 2-3 minutes, then rinse. In case of contact with eyes, rinse immediately with plenty of water. * Instrumental test after 3 uses of shampoo + conditioner + serum.