AA BOND REPAIR LVIN SPRY 4.2OZ. Benefits: Provides Thermal Protection up to 450 F/232 C. Smoothes strands to provide a soft look and feel. Key Ingredients: CAVIAR BOND ENFORCING TECHNOLOGY: Proprietary technology engineered to seal hair cuticles that have been damaged through chemical processes or physical stress.. Bond Enforcing molecules detect cracks and fissures in the cuticle and fill them, locking the cuticle down, smoothing the hair fiber and decreasing friction.. Formulated Without: Parabens. SLS (Sodium Lauryl Sulfate) sulfates. Synthetic color. Other harsh chemicals.