Product details:What It Is:A highly effective targeted formula fortified with the anti-aging power of Reishi, also known as the "mushroom of immortality," and vital Ginseng Active Cell to strengthen, visibly firm, and plump the appearance of the skin while improving signs of aging.What It Does:This silky, lightweight anti-aging serum energizes the skin with the power of Reishi, a rare mushroom revered for centuries for its ability to enhance longevity. A symbol of vitality throughout Asian history, the mushroom Sulwhasoo Timetreasure Honorstige Serum 1.35 oz.