K-Secret, Seoul 1988 Serum, Retinal Liposome 2% + Black Ginseng, 1.01 fl oz (30 ml)Overview Skin Irritation Test Completed Retinal liposome is absorbed into the deeper skin layers to help skin elasticity. Containing black ginseng extract, this serum helps reduce the appearance of wrinkles for smoother and firmer skin. Suggested use After cleansing and toning, take an appropriate amount. Apply gently onto the face and spread evenly. Other ingredients Water, glycerin, dipropylene glycol, caprylic capric triglyceride, 1,2 hexanediol,