Bond-Building Repair Hair Oil Serum - Bumble and bumble Bond-Building Hair Repair Oil Serum is a lightweight heat protective hair serum + oil that helps reverse the look of damage caused by heat, chemical, and physical styling. It instantly delivers 90% frizz reduction that lasts all day, 57% reduced breakage, and 6x more hydration.BenefitsHeat ProtectiveHydratesDetanglesReduces FrizzRepairs damageColor-safeSoftensFinishes hair with smoothnessProtects against future damageStrengthensKey IngredientsHoney Bond-Building Complex: Builds new bonds to strengthen + help repair.Wildflower Honey + Honey Ferment: Improve elasticity to prevent breakage.Features blend of Daikon Radish Seed Extract and Apple Seed OilResearch ResultsVersus untreated hair, it instantly delivers:90% frizz reduction that lasts all day57% reduced breakage6x more hydration - Bond-Building Repair Hair Oil Serum