Kim Ji Soo 김지수 - Korean Skincare...

the skincare ingredients that actually changed my patients' skin (backed by science, not marketing) 1- retinol at night. increases cell turnover, reduces fine lines, unclogs pores. start slow—twice a week, then build up. this is the gold standard for anti-aging 2- niacinamide in the morning. reduces inflammation, controls oil, fades hyperpigmentation. works for literally every skin type. 5-10% concentration is perfect 3- vitamin c serum after cleansing. brightens skin, evens tone, protects against radical damage. store it in a dark bottle away from light or it oxidizes and becomes useless