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COSRX The Vitamin C 13 Serum 20 ml for dull and uneven skin, brightening serum with 13% vitamin C to fade dark spots, improve radiance, and support skin clarity

COSRX The Vitamin C 13 serum 20ml

$17.99
Sale price  $17.99 Regular price 

A vitamin C serum for dull, uneven-looking skin that needs fresh radiance and brighter tone care.

Best for: Dullness, uneven tone, dark spots, post-blemish marks, tired-looking skin
Powered by: Vitamin C 13% and radiance-boosting serum care for brighter-looking skin
Feels like: Lightweight, fresh, concentrated, and easy to layer without a sticky finish
#VitaminCSerum #BrighteningCare #RadianceBoost

Free Shipping Over $69
100% Guaranteed Authenticity
Ships Directly from Korea

COSRX The Vitamin C 13 Serum is a gentle water-based vitamin C serum designed to improve dull-looking skin, support a brighter-looking complexion, and keep the skin feeling fresh and comfortable without heaviness.

Built with 13% pure vitamin C, 3-O-ethyl ascorbic acid, acetyl glucosamine, panthenol, sodium hyaluronate, and soothing support ingredients, this formula focuses on daily brightening care while maintaining a light watery finish. It works especially well for skin that looks tired, uneven, or dull and wants a fresher daily vitamin C step without stickiness.

This serum works especially well for skin that feels dull, uneven, dehydrated, or marked by visible dark spots and wants a lightweight daily brightening step. It is a strong fit for all skin types, especially normal, combination, and dull-looking skin.

• Texture: Non-sticky, lightweight, watery serum that absorbs well

• Skin Type: All skin types, especially normal, combination, and dull-looking skin

• Best For: Dullness, uneven-looking tone, dark spots, hyperpigmentation, and daily brightening care

• Key Benefit: 13% vitamin C serum with daily tone-refining care and fresh moisture support

• Volume: 20ml / 0.67 fl. oz.

• Origin: South Korea

• Helps improve dull-looking skin for a fresher and more radiant-looking complexion.

• Supports smoother-looking skin by improving the look of uneven tone and visible dark spots.

• Helps support a clearer-looking complexion with daily vitamin C brightening care.

• Replenishes light moisture so skin feels soft and comfortable instead of dry.

• Works well for people who want a vitamin C serum that feels fresh and easy to layer.

• Leaves skin feeling smooth, clear, and comfortably radiant with regular use.

— Key Ingredients —

• Ascorbic Acid (13%): Helps improve discoloration and uneven-looking skin tone.

• 3-O-Ethyl Ascorbic Acid: Helps reinforce brightening care and supports a clearer-looking complexion.

• Acetyl Glucosamine: Helps support smoother-looking skin and improve overall tone care.

• Hyaluronic Acid + Allantoin + Panthenol: Help keep skin hydrated, soft, and more comfortable during daily vitamin C care.

— Full List —

Water, Ascorbic Acid (13%), Butylene Glycol, Dipropylene Glycol, Tromethamine, 3-O-Ethyl Ascorbic Acid, Panthenol, Acetyl Glucosamine, Caffeine, Sodium Hyaluronate, Sodium Sulfite, Disodium EDTA, Glutathione, Adenosine, Gardenia Florida Fruit Extract, Allantoin, Dextrin, Squalane, Tocotrienols, Tocopherol, Elaeis Guineensis (Palm) Oil, Arginine, Niacinamide, Pentylene Glycol, Glycyrrhiza Glabra (Licorice) Root Extract

• Step 1: Cleanse your skin and apply toner.

• Step 2: Apply a few drops of serum to the skin.

• Step 3: Use your fingertips to gently massage and absorb the serum, starting from the inside of the face and working toward the edges.

• Tip: Use when skin looks dull, uneven, or tired and needs a fresh daily brightening boost.

FAQs

Authenticity is our top priority. All items are sourced exclusively from highly trusted, authorized supply chains and official distributors in South Korea. We strictly verify, carefully inspect, and securely package every single product to guarantee 100% authenticity and optimal freshness before it leaves our facility.

We ship worldwide directly from our fulfillment operations in South Korea. We offer a flat rate of $6.99 for orders under $69, and provide 100% Free Shipping for orders $69 and above. Delivery typically takes 7–14 business days, depending on your local customs clearance and location.

Your payment security is our top priority. We safely accept all major international credit cards (Visa, MasterCard, American Express, Discover), Apple Pay, and Google Pay. Every transaction is encrypted and securely processed through Shopify Payments, adhering to the highest industry standards to ensure your personal and financial information remains 100% protected.

You can request a cancellation within 24 hours of placement, provided the order has not yet been processed for shipping. For returns, we accept items within 7 days of delivery, provided they are completely unopened, unused, and in their original packaging. Please note that for all returns, the customer is responsible for all associated costs, including original shipping, return shipping, and any customs clearance fees. Contact our support team at info@seoul-luma.com with your order number to initiate the process.

Yes, absolutely. Once your package is dispatched from our global fulfillment center, an automated shipping confirmation email containing your tracking number and a tracking link will be sent to you immediately. You will be able to monitor your package's journey in real-time from South Korea straight to your doorstep.

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