XBS Professional Keratin Hair Spa is a premium 500ml treatment designed to restore and revitalize damaged hair. Infused with keratin protein, this intensive spa formula penetrates the hair shaft to repair breakage, reduce frizz, and enhance shine. Ideal for chemically treated, colored, or heat-damaged hair, it strengthens strands while improving elasticity and manageability. Regular use leaves hair smoother, softer, and more resilient. Perfect for professional salon use or at-home maintenance to achieve salon-quality results.