This strengthening hair treatment spray boosts hair’s shine and softness. It delivers protein to the hair’s core, restoring internal strength and shine, without added weight. Key features: - 2% Strength Complex - Polyquaternium 10 & Cocamidopropyl Betaine: Polymer and surfactant for smoothness of the cuticle - Arginine, Lysine, Taurine & Wheat Protein: For strength, repair, reconstruction and protection against damage