bin J Living Proof Triple Bond Complex Hair Strengthener 0.5 oz Without Box - 2 pieces Item Description 100% Authentic. Clinically proven to rebuild the structure of your hair? Easily added to your post-shower routine (after shampoo and conditioner), no added rinse out step Leave on for 10 minutes before adding your styler and heat for best results Heat protection up to 450F/230 C Builds all three types of bonds in the hair: hydrogen, ionic and covalent for short- and long-term benefits Repairs hair from chemical, thermal, mechanical, and environmental damage? and protects hair from future damage For all hair types and all levels of damage PETA-certified Cruelty-free Color Safe Safe for chemically treated hair *Against grooming breakage vs untreated **NPD Data FY 2021 US Prestige Beauty, Strength Repair Haircare Product Sales