Why you’ll love it: This powerhouse trio of Sulwhasoo’s signature serum works to boost hydration, improve skin texture, and prep your face for everything that follows. Lightweight yet effective, it’s a heritage formula trusted for giving skin a healthier, more energized look. How you’ll use it: After cleansing, apply 2–3 pumps of serum into your hands and gently press it into your face and neck. Use morning and night before your moisturizer to maximize absorption and set the foundation for the rest of your routine.