COSRX The Vitamin C 13 Serum – 20ml
Brightening & Antioxidant Serum for Radiant, Even-Toned Skin
COSRX The Vitamin C 13 Serum is a gentle yet effective brightening treatment formulated with 13% pure Vitamin C (ascorbic acid). It targets dullness, dark spots, and uneven tone while providing antioxidant protection against environmental stressors. Enriched with soothing and hydrating ingredients, this serum helps promote a smoother, more radiant complexion without excessive irritation. The 20ml size makes it a concentrated daily solution for boosting glow and improving overall skin clarity.
Key Ingredients:
- Vitamin C (13% Ascorbic Acid): Brightens skin, fades dark spots, and improves uneven tone.
- Hyaluronic Acid: Provides hydration and plumps the skin.
- Allantoin: Soothes and calms irritation for sensitive skin tolerance.
- Tocopherol (Vitamin E): Works synergistically with Vitamin C for enhanced antioxidant protection.
Key Benefits:
- Brightening Effect: Restores radiance and reduces dullness.
- Dark Spot Reduction: Helps fade hyperpigmentation and acne marks.
- Anti-Aging Support: Boosts collagen production for firmer, smoother skin.
- Antioxidant Protection: Shields against free radicals and environmental damage.
- Gentle Formula: Lower concentration than high-strength Vitamin C serums, making it suitable for beginners and sensitive skin.
Product Highlights:
- 20ml bottle – compact and concentrated
- 13% pure Vitamin C with added soothing agents
- Lightweight, fast-absorbing texture
- Free from parabens, artificial fragrance, and harsh chemicals
- From COSRX – trusted K-beauty brand for effective, skin-friendly care
Suggested Use:
After cleansing and toning, apply 2–3 drops to the face and gently pat until absorbed. Use in the morning or evening. Always follow with sunscreen during the day when using Vitamin C products.
Possible Side Effects:
- Mild tingling or redness may occur during initial use
- Oxidation may cause slight color change over time (does not affect efficacy if used within recommended period)
Precautions:
- For external use only.
- Perform a patch test before first use.
- Avoid direct contact with eyes. If contact occurs, rinse thoroughly with water.
- Store in a cool, dry place, away from sunlight, to preserve Vitamin C stability.
- Discontinue use if persistent irritation occurs and consult a healthcare professional.
- Keep out of reach of children.