Sulwhasoo- First Care Activating Serum

A first of its kind activating serum designed to fortify your moisture barrier post-cleanse to aid in better absorption of products that follow. Immediately after use, it helps improve skin’s water and oil balance while providing lasting hydration. Within four weeks, this serum helps address 10 signs of visible aging.* *Based on an 8-week clinical study on 30 women 39 to 60.