Seoul 1988 serum with retinol and black ginseng from KC Secret

Basic ingredients: Retinal 2% + Black Ginseng 58% Benefits: Reduce wrinkles, brighten and even out skin tone, reduce pores, antioxidant Use: Evening after cleansing, with a pea-size amount, gradually increase at first, with daytime moisturizer and sunscreen Important notes: If signs of irritation (redness, peeling, or burning) appear: reduce frequency (for example, to twice a week) or apply a thin layer of moisturizer before the serum as a layering method to alleviate. It is described as gentle compared to heavy retinol moisturizers, with improved results within 4–16 weeks according to user experience