The K-SECRET SEOUL 1988 Serum is a popular Korean anti-aging treatment formulated with 2% retinal liposome and 58% black ginseng extract.Key Ingredients & Benefits2% Retinal Liposome: A potent Vitamin A derivative that speeds up cell turnover, smooths fine lines, and refines texture with less irritation than standard retinol.58% Black Ginseng Extract: Offers rich antioxidants to nourish skin, boost elasticity, and protect against environmental stressors.Supporting Act: Includes niacinamide, bakuchiol, vitamin C, and peptides to brighten tone and soothe the skin barrier.