KSECRET SEOUL 1988 Serum : Retinal Liposome 2% + Black Ginseng is an anti-aging serum enriched with 2% Rentinal liposome and Black ginseng to promote a youthful, radiant complexion, while addressing skin texture, hydration, and the reduction of wrinkles. Retinal liposome helps to prevent skin aging, such as fine lines, wrinkles, uneven skin tone and skin texture.