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COSRX - The Vitamin C 13 Serum 20ml

COSRX - The Vitamin C 13 Serum 20ml

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COSRX - The Vitamin C 13 Serum 20ml

COSRX - The Vitamin C 13 Serum 20ml

Brighten and even out skin tone with the COSRX The Vitamin C 13 Serum. Formulated with 13% Pure Ascorbic Acid and 3-O-Ethyl Ascorbic Acid, plus Tocotrienols (Super Vitamin E), this potent serum helps target the look of discoloration, dullness, and uneven texture.

Key Benefits

  • Brightens & Evens Tone: 13% Pure Vitamin C helps visibly improve discoloration and uneven skin tone.

  • Antioxidant Protection: Tocotrienols provide up to 50x greater antioxidising efficacy than standard Vitamin E.

  • Hydrates While Brightening: Sodium Hyaluronate helps maintain comfortable moisture alongside active Vitamin C.

  • Calms & Soothes: Allantoin and Licorice Root Extract help comfort skin during active use.

  • Fast-Absorbing Serum Texture: Layers easily under moisturiser and SPF.

Safety Information

For external use only. Avoid contact with the eyes. If contact occurs, rinse thoroughly with water. Discontinue use if irritation or discomfort occurs. Do not apply to broken or irritated skin. Use sunscreen during the day, as this product may increase skin's sensitivity to the sun. Store in a cool, dry place away from direct sunlight. Keep out of reach of children. Patch test before first use. Individual results may vary.

MADE IN KOREA

Express shipping and delivery

  • Fast tracked shipping
    All orders are prepared and shipped the same day (before 5 PM) from our logistics center.

Note: You will receive a tracking number by email and/or SMS once your order is shipped, and you’ll be updated at every step of the delivery process.

Free returns within 30 days

We offer a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition as when you received it unopened, unused, with tags, and in its original packaging. You will also need to provide a receipt or proof of purchase.

If the return is due to an error on our part (incorrect product, damaged or defective item) or if you choose an exchange or store credit to use on our shop, we will fully cover the return shipping costs. Please note that photo or video proof is required to justify any product error or defect.

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Trustpilot Reviews

Excellent 4.8 / 5

  • Absolutely Worth It

    The texture is lightweight, absorbs quickly, and leaves my skin feeling soft all day. Highly recommend!

    Emily R.

  • My Skin Has Never Looked Better

    I noticed smoother and more hydrated skin within a few weeks. ELVAREA has become a daily essential in my routine.

    Sophia M.

  • Visible Improvement

    My skin looks brighter, firmer, and healthier than ever. I love how gentle the products feel.

    Olivia W.

  • Perfect for Daily Skincare

    These products fit perfectly into my routine. My complexion feels refreshed and looks more radiant every day.

    Jessica L.

  • Luxury Quality

    The packaging is beautiful, and the formulas feel incredibly premium. My skin feels nourished after every use.

    Hannah C.