The BC Bonacure pH 4.5 Color Freeze Hair Mask by Schwarzkopf Professional is a 200ml intensive treatment designed to protect and prolong the longevity of hair color. Thanks to the balanced pH formula of 4.5, it maintains the vibrancy of shades by sealing the cuticle and preventing fading. Enriched with nourishing agents, it deeply nourishes, providing shine and softness, leaving hair visibly healthier, protected, and radiant after each use. Ideal for those who desire lasting and bright color.