Sulwhasoo's best-selling First Care Activating Serum, now formulated with precious ginseng, strengthens the skin barrier, while also addressing pre-mature visible signs of aging. Use morning and night for visibly healthy, youthful skin. Benefits: Hydrate, strengthen skin barrier, and address visible signs of pre-mature aging. Suggested Use: After your morning and evening cleansing ritual, apply three pumps to damp skin with your fingertips and press serum into skin with an open palm for increased absorption.