Damage Repairing Leave-In Balm: With citric acid to strengthen hair from within and squalane to soften & smooth the outside. Get 8x Stronger Hair*: Designed to strengthen damaged hair, leaving it feeling stronger and healthier. (*System of Build-A-Bond Shampoo, Conditioner, Mask, and Balm vs. non-conditioning shampoo). Frizz Control: Control frizz for up to 72 hours, leaves hair looking smooth and sleek. Heat Protection: Protects from heat damage up to 450°F/230°C, making it ideal for use with hot styling tools. Salon Formula: Tested and approved by hairdressers, it is vegan and free of sulfates, mineral oil, and parabens. It is also safe for color-treated and highlighted hair.