-Contains 15% Pure Vitamin C The Cosdabaha Vitamin C Serum contains a pure form of Vitamin C known as L-Ascorbic Acid, with a concentration of 15%. -Hydration and Whitening Effects Combined! Formulated using a 24-hour low-temperature cold processing method, which is excellent for skin hydration, and incorporating hyaluronic acid and whitening agents to maximize the synergistic effects. -Highly Concentrated and Stabilized Pure Vitamin C Cosdabaha utilizes stabilization technology to prevent the oxidation process, commonly observed in pure Vitamin C, which causes discoloration. -Vitamin C pH Concentration: 3.2 (±0.5) ✔ It applies smoothly as a watery essence-type formulation. ✔ It has less stickiness compared to the amount of moisturizing ingredients, but depending on the humidity and individual users, a slight stickiness may be felt. ✔ The Vitamin C ingredient may have a unique scent. ※ Please note that individuals sensitive to fragrance should take this into consideration!