Triple Bond Complex Leave-In Hair Treatment - Living Proof Triple Bond Complex is a weekly no-rinse treatment that makes hair 8x stronger*, resistant to future damage, and adds softness, smoothness + shine.Benefits**NPD Data FY 2021 US Prestige Beauty, Strength & Repair Haircare Product SalesCruelty-freeBuilds all three types of bonds in the hair: hydrogen, ionic and covalent for short- and long-term benefitsClinically proven to rebuild the structure of your hairHeat protection up to 450F/230 CLeave on for 10 minutes before adding your styler and heat for best resultsFor all hair types and all levels of damageSafe for chemically treated hair*Against grooming breakage vs untreatedColor SafeRepairs hair from chemical, thermal, mechanical, and environmental damage and protects hair from future damagePETA-certifiedEasily added to your post-shower routine (after shampoo and conditioner), no added rinse out stepKey IngredientsBiomimetic emollient blend: Smooths and aligns hair fibers, enhancing softness and shine.Cuticle-sealing agent. Smooths the surface of hair and makes hair more manageable for easier styling.3D Fortifying Technology: Patent-pending technology that constructs a 3D network within the hair fiber, helping rebuild its structure and resist damage.Encapsulated cellular oil: Blend of lipids and peptides that deeply nourishes strands, helping defend hair against thermal and UV damage, and color fading.Formulated WithoutSiliconePhthalatesFormaldehydeParabenSulfate (SLS + SLES) - Triple Bond Complex Leave-In Hair Treatment