Authentic salon product ※ New, Unused ※ Immediate purchase OK ※ No discounts ※ Takkyubin Compact (courier service) ※ There are no changes to the product contents, so please refrain from negotiation comments. Four cross-linking ingredients for hair strength and beauty. A care oil that harnesses heat. "Hair Chemist Heat Plex Oil" is an oil that enhances care power by utilizing (= cross-linking) the "power of heat in everyday life" such as hair dryers and hair irons. ① Levulinic acid Controls moisture inside the hair to prevent damage-related frizz. ② TOS-STEA Suppresses hair waviness caused by humidity and maintains the shape of dried hair. ③ ELLAPLEX Repairs damaged parts inside the hair and strengthens the hair, maintaining smooth hair texture. ④ Fiberhance™︎ Strengthens hair from the inside through "binding with keratin fibers." Ingredients: Isododecane, Hydrogenated Polyisobutene, Dimethiconol, Tetradecane, Diammonium Aminothiodisuccinate, Levulinic Acid, Dipropylene Diammonium Dimalate, Hydroxypropyl Gluconamide, Hydroxypropylammonium Gluconate, Sordoconolactone, Tri(Caprylic/Capric) Glyceride, Water, Ethanol, Fragrance