The Pureology Strength Cure Leave In Serum is a powerful, cruelty-free treatment designed to repair and strengthen damaged hair. Formulated with a triple-acid blend, AHA, and Vitamin E, it nourishes the hair fiber while improving texture and resilience. Free from parabens and sulfates, this advanced serum helps protect against environmental stressors while promoting healthier, more vibrant hair. Cruelty-free formula Contains AHA and Vitamin E Paraben- and sulfate-free Who is it for? For all hair types Those with damaged or weakened hair looking to improve hair texture What does it do? Repairs and strengthens hair fibers Nourishes and enhances hair texture Protects against environmental stressors Promotes healthier, more vibrant hair How-To Apply a small amount to damp or dry hair Distribute evenly from mid-lengths to ends Style as desired