The TRESemmé Biotin Repair Instant Recovery Mask is a powerful hair treatment infused with biotin and a pro-bond complex, specially formulated to repair and strengthen damaged hair. This mask comes in a generous 440ml size, ensuring you have an ample supply to restore your hair's health and vitality. Biotin, also known as vitamin B7, is a key ingredient that helps nourish and fortify your hair from within. It aids in improving hair elasticity, reducing breakage, and promoting overall hair growth. The pro-bond complex works to repair and restore damaged hair fibers, leaving your hair smoother, softer, and more resilient.