Established Coreplex Shampoo & Treatment Set I purchased this at a salon and have been using it for a week. The treatment is more used, but about 2/3 of it remains. The shampoo lathers well even with a small amount, and the treatment has a firm texture but spreads easily, so it's cost-effective. ESTABLISHED COREPLEX SHAMPOO 400mL ¥4,840 ESTABLISHED COREPLEX TREATMENT 400g ¥5,060 Product Description Repairs from the core with every wash. A new hair care experience achieved with high-performance reduced water and multi-plex ingredients*. Features 1 High-performance reduced water (Exsolvo-56*) x Mild surfactants Surface tension is lower than regular water, penetrating into fine gaps and removing dirt. It has higher cleaning power than surfactants, yet is as safe as drinking water. Delivery action to penetrate active ingredients. ⇒ Gently removes dirt thoroughly, so it's suitable for those with highly damaged hair or sensitive scalps from repeated bleaching. *Displayed name: Water Features 2 Multi-plex (cross-linking) ingredients repair damage from the core High concentration of Tostea "1%" is included. The plex ingredients in the treatment, which work after drying, create a texture that is "light but manageable" when dry. Tostea: Corrects waviness Dimaleic acid: Increases strength Levulinic acid: Water retention Tartaric acid: Increases strength Propylene carbonate: Luster and smoothness *Only in treatment Itaconic acid: Increases strength and hydrophobic film *Only in treatment Features 3 Repairing ingredients Confidence in strengthening hair with the addition of supporting repair ingredients! Cashmere goat keratin *Hydrolyzed keratin for softness Wool keratin *Hydrolyzed keratin for firmness and body Fiberhance *Hydroxypropylgluconamide to prevent split ends and breakage Heat-reactive Elcalactone *γ-Docosalactone Damage repair NFG? *Palmitoyldipeptide-18 Features 4 Fragrance Elegant and fresh, the scent of William Pearwood [Recommended for those who] ■ Have highly damaged hair ■ Use a hair iron daily ■ Are concerned about waviness due to aging ■ Want to enjoy their color for a long time