COSRX The Vitamin C 13 Serum – Illuminating Serum With Vitamin C

Brand:COSRX

12,79 €

A vitamin C face serum designed to help reduce the appearance of dull skin, uneven tone, and pigmentation spots, adding a lightweight brightening step to your routine. COSRX The Vitamin C 13 Serum contains 13% pure ascorbic acid, complemented by 3-O-Ethyl Ascorbic Acid, tocotrienols, panthenol, sodium hyaluronate, and allantoin. Its watery, fast-absorbing texture feels lightweight on the skin.

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COSRX The Vitamin C 13 Serum – Brightening Serum with 13% Pure Ascorbic Acid

COSRX The Vitamin C 13 Serum is a lightweight, water-based facial serum designed to improve the appearance of dull, uneven-toned, and rougher-looking skin. Its concept is clear from the name: the number 13 refers to a 13% concentration of pure vitamin C in the form of ascorbic acid. It is intended for daily use by those who want to combine the benefits of vitamin C with hydrating comfort rather than opt for the more intensive 23% version in the same line.

Two Forms of Vitamin C and a Formula That Values Freshness

The foundation of this serum is pure ascorbic acid, complemented by 3-O-Ethyl Ascorbic Acid. This combination keeps the focus on brighter, more even-looking skin, but the formula is not built around a single active ingredient alone. It also contains moisture-supporting and skin-comforting ingredients, making it feel more like a thoughtfully formulated everyday serum than simply a concentrated vitamin C solution. One notable practical detail is that the manufacturer recommends storing the opened bottle in the refrigerator, as pure ascorbic acid is sensitive to environmental factors.

  • 13% pure ascorbic acid: the formula’s key feature, intended to improve the appearance of dull skin and uneven tone and reduce the visibility of pigmentation spots.
  • Tocotrienols to complement vitamin E: antioxidants from the vitamin E family that reinforce the formula’s antioxidant profile and give it a purpose beyond brightening alone.
  • Hydrating support: panthenol, sodium hyaluronate, and allantoin help maintain a moisturized feel, so vitamin C is delivered here with added comfort for the skin.

At first, the serum is very fluid—almost watery—spreads easily, and absorbs quickly without leaving noticeable stickiness. It fits into the serum step of a routine after cleansing, making it a good choice when you want a lightweight texture that will not weigh down subsequent products. COSRX The Vitamin C 13 Serum stands out less for an elaborate list of promises than for its clear 13% pure vitamin C formula, which balances active performance with a hydrating base.

Usage

After cleansing and toning your skin, apply 2-3 drops of COSRX The Vitamin C 13 Serum to your fingertips and gently pat it onto your face, focusing on areas that require brightening or have dark spots. Allow the serum to absorb fully before applying your moisturizer and sunscreen. For best results, use the serum in the morning and gradually increase usage to daily as your skin adapts. Always perform a patch test before full application and store the product in a cool, dark place to maintain its efficacy.

Ingredients

Aqua, 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

The manufacturer is responsible for the product’s ingredients. Due to possible changes, we always recommend checking the ingredient list directly on the packaging.

Additional information

Quantity: No selection

20ml

Country of origin: No selection

South Korea

Manufacturer: No selection

COSRX Inc.

Manufacturer’s website: No selection

https://www.cosrx.com/

Manufacturer’s address: No selection

5F, West Centerfield, 231 Teheran-ro, Gangnam-gu, Seoul 06142, Republic of Korea

Manufacturer’s email: No selection

cosrx_info@cosrx.co.kr, global@cosrx.co.kr

EU responsible person: No selection

Biorius Sprl

EU responsible person’s address: No selection

Avenue Léonard de Vinci 14, 1300 Wavre, Belgium

EU responsible person’s email: No selection

info@biorius.com

Brand

COSRX

Cosrx Cosmetics: Science, Simplicity, and Exceptional Skincare

Who said skincare has to be complicated? The South Korean brand Cosrx Cosmetics boldly challenges this myth and proves that real effectiveness lies in simplicity. Since its founding in 2013, Cosrx has earned an impeccable reputation as a leader in innovation and efficacy. Their mission? Not just to create products, but to offer a unique experience—using minimal yet incredibly effective ingredients that address various skin concerns and adapt to different needs. Isn't that what we all dream of? Skincare that not only promises but truly transforms. In today's cosmetics market, where labels often resemble pages from a chemistry textbook, Cosrx Cosmetics stands out with its simple yet astonishingly effective approach. Their products contain only carefully selected active ingredients: Each ingredient is like a virtuoso in an orchestra, performing its part so precisely that your skin simply cannot help but notice. Balanced pH, reduced acne, accelerated regeneration, and restored optimal moisture levels. Can such a simple approach deliver such impressive results? Absolutely. And this is no longer just a theory—it's a proven reality. Cosrx merges scientific progress with the elegance of cosmetology, and the results speak for themselves. Cosrx products are more than just cosmetics—they are small revolutions in your skincare routine. Take, for instance, the legendary Advanced Snail 96 Mucin essence. Did you know that this product holds true skin-repairing magic? It effectively heals damaged skin, reduces redness, and gives your face a natural glow. And the cult-favorite Low pH Good Morning Gel Cleanser? It's more than just a cleanser—it's like a morning sip of coffee for your skin, gently cleansing without disrupting its protective barrier. And, of course, we cannot forget the famous Acne Pimple Master Patch—tiny yet miraculous patches that combat pimples overnight and reduce inflammation. These are products that not only transform your skin but also redefine skincare philosophy. However, Cosrx Cosmetics cares not only for your skin but also for the planet. All their products are manufactured following the highest quality standards, without cruel animal testing. Additionally, the brand actively strives to reduce packaging waste and promotes sustainable production practices. Isn't it reassuring to know that your chosen cosmetics contribute to a cleaner planet? It's a double benefit—your skin glows, and the world becomes a little better.

What Makes Cosrx Stand Out?

But what truly sets Cosrx apart? Their genuine connection with customers. This brand doesn't just create products—they listen. Customer feedback, ideas, and even criticism serve as their primary source of inspiration. This attentiveness and dedication allow them to craft not just cosmetics but a real bond with the people who use them. Isn't the perfect skincare the one that cares just as much as you do? By choosing Cosrx, you are opting for more than just products—you are committing to your skin: a promise of health and beauty, backed by science, transparency, and ethics. This is not just another ordinary item on the shelf—it is an investment in your skin's future. This skincare doesn't just change your appearance; it helps you feel more confident in your own skin. And what more could you ask for?
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