SOME BY MI Retinol Intense Reactivating Serum 30ml – Glow Bakuchiol & Niacinamide – Retinal & Retinol for Anti-Aging & Wrinkle Reduction – Vegan-Friendly Glass Skin Korean SkinCare

First 1-2 weeks: Once a day, Use a small amount in the evening V once every 2 days if your skin is very sensitive V use with enough moisture care. After 3 weeks of use : After skin adaptation, You can increase the number of times and the amount you use.