COSRX The Vitamin C 23 Serum (20g) is a potent antioxidant serum formulated with 23% pure Vitamin C (ascorbic acid) to brighten the skin, even out skin tone, and combat signs of aging.This lightweight, fast-absorbing formula helps to reduce the appearance of dark spots and fine lines, delivering a radiant and youthful complexion.
How to Use:
1-Cleanse: Start with a clean face.
2-Tone: Apply a toner to prep your skin (optional).
3-Apply Serum: Use 1-2 drops of the serum and gently massage onto your face and neck, avoiding the eye area.
4-Moisturize: Follow with your favorite moisturizer to lock in hydration.
5-Frequency: Use in the morning or evening. For daytime use, follow up with sunscreen for added protection.

