What it is: A duo set of Sulwhasoo's iconic best-selling K-beauty serum that's the coveted step for a visibly smooth and glass-like glow.What it does: Backed by 23 years of research and new data-mining technology, this formula delivers the perfect combination of ingredients for optimized anti-aging and hydrating benefits. This luxurious formula hydrates, nourishes and visibly firms skin while boosting the absorption of subsequent products applied on top. The secret is in the JAUM Activator, a masterfully blended complex of five precious herbs that improves the look of skin's hydration, brightness, radiance, translucency and visible wrinkles. The new formula delivers everything the previous formula offered with improved anti-aging benefits that help make your skin more radiant than ever.Set includes:- Full-size First Care Activating Serum (2 x 2.02 oz.)Research results:In an independent consumer perception study of 539 women ages 22-56 after four weeks of use:- 98% agreed skin felt moisturized and hydrated- 98% agreed skin felt softer- 96% agreed skin felt nourished- 96% agreed skin appeared to have a healthy glow- 96% agreed it helped boost the effects of skin care products that followed How to use: After your morning and evening cleansing ritual, apply three pumps to damp skin with your fingertips and press the serum into skin with an open palm for increased absorption. $178 Value