The Schwarzkopf Fibre Clinix Fortify Booster is designed to work synergistically with the Fibre Clinix Soothing Shampoo and the Fibre Clinix Treatment to provide intensive fortifying care for stressed or sensitized hair. This professional-grade treatment booster deeply penetrates the hair fiber, helping to strengthen damaged hair structure from within. It is ideal for use in salon treatments to restore resilience and vitality to compromised hair types, resulting in visibly healthier and more robust locks. This formulation is intended for professional application to maximize hair repair and long-term structural improvement.