SK-II Skinpower Renewing Essence 1ml*3 = 3ml Unused, brand new! An introductory serum for anti-aging care that enhances the penetration of the skincare products you use next. Regular price: 30ml - 18,150 yen SK-II Research: Focusing on the source of firmness: "Hook Protein" With over 40 years of research on firmness, SK-II uses a new research method to dynamically analyze the skin from all angles. They discovered that the aging signs that appear on the lower half of the face begin from the upper cheeks. Introducing an introductory serum for anti-aging care. #SK-II