COSRX ADVANCED THE VITAMIN C23 SERUM 20G

COSRX Advanced The Vitamin C 23 Serum 20g

The COSRX Advanced The Vitamin C 23 Serum is a high-potency brightening serum designed to improve skin radiance, reduce dark spots, and support overall skin firmness and elasticity. Formulated with 23% pure vitamin C (ascorbic acid), it helps target uneven skin tone, dullness, and early signs of aging while boosting skin glow. Its lightweight oil-serum texture absorbs quickly and works best when used consistently for visible improvement in skin clarity.

This serum is ideal for dull, pigmented, or aging skin that needs strong antioxidant care, brightening, and tone correction.

Key Benefits:

• Brightens dull and tired-looking skin
• Helps reduce dark spots and hyperpigmentation
• Improves uneven skin tone and clarity
• Supports collagen production and firmness
• Provides strong antioxidant protection against environmental damage
• Enhances overall skin glow and radiance
• Helps improve fine lines over time

Skin Type Suitability:

Suitable for:

• Normal skin
• Combination skin
• Oily skin
• Dull skin
• Pigmented skin
• Mature skin

Use with caution for:

• Sensitive skin (start slowly or patch test)
• Very dry or reactive skin

How to Use:

After cleansing and toning, apply 2–3 drops to dry skin and gently pat until absorbed. Follow with moisturizer. Use once daily, preferably at night. If using in the morning, always apply sunscreen. Start with 2–3 times per week and gradually increase frequency as tolerated.

Key Ingredients:

• Ascorbic Acid (23% Vitamin C) – powerful antioxidant that brightens skin and reduces pigmentation
• Vitamin E (Tocopherol) – supports antioxidant protection and enhances Vitamin C stability
• Hyaluronic Acid – provides hydration and helps reduce dryness
• Ferulic Acid – boosts antioxidant effectiveness and skin protection
• Panthenol (Vitamin B5) – soothes and supports skin barrier
• Sea Buckthorn Extract – rich in antioxidants that improve glow and vitality