New, unused Arimino Quoline Acid New Quoline Acid SP Oil New Quoline Acid pH 4.5.6 each 1 ● Three features of Quoline Acid ① Three types of acid cream with buffer function High concentration of citric acid buffer (sodium citrate). You can achieve your desired style with three types of acid cream with the same concentration of hair softening ingredients. ② Combinations that expand the range of design proposals By combining "butyrolactone thiol," which can express a soft texture and shine in the acidic range, and "thioglycolic acid," which has the property of heat promotion and gives firmness in straight hair, a supple texture and shine are expressed. ③ Serum smooth formula that leads to high-quality shiny hair Contains betaine, a common heat protectant in Quoline, to suppress heat denaturation. Contains serum ingredients with repair and moisturizing effects. Elcalactone reacts to heat, giving suppleness and manageability, and giving the hair shine.