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

COSRX Vitamin C Brightening Serum Restores Natural Radiance and Even Tone

Tired, dull skin affected by pigmentation often requires a subtle yet highly precise nudge toward renewal. Traces of fatigue and uneven tone can become a daily reality if active protection against environmental stressors is lacking. This is precisely where this meticulously crafted product finds its place, with a 13% concentration of pure Vitamin C serving as the golden mean between intensive action and complete comfort. This ratio allows you to enjoy visible results without the risk of excessive irritation, making it ideal even for those who have previously avoided active acidic products.

At the heart of the composition, L-ascorbic acid acts as a powerful antioxidant, protecting cells from oxidative stress—a process during which free radicals break down skin firmness. To further enhance this effect, the formula is supplemented with tocotrienol, also known as super Vitamin E. This ingredient is dozens of times more potent than standard tocopherol, making it more effective at combating early signs of photoaging while helping to maintain skin elasticity and smoothness. A delicate balance of hydration and soothing is achieved by incorporating hyaluronic acid and allantoin, ensuring that the brightening process occurs alongside intensive moisture replenishment.

Upon contact with the skin, this water-based emulsion absorbs instantly, leaving no sticky or heavy residue. Its clear and lightweight consistency resembles a fresh morning dewdrop that spreads imperceptibly, allowing you to immediately continue with your other beauty rituals. Each drop seems to awaken the skin’s energy, providing it with visual density and a healthy, “lit-from-within” glow.

• Pure Vitamin C (13%): effectively brightens dark spots, inhibits excess melanin, and stimulates collagen production.
• Tocotrienol: an exceptionally strong antioxidant that protects the skin barrier and slows down aging processes.
• Hyaluronic Acid: draws moisture into deeper layers, giving the face a plump and soft appearance.
• Allantoin: soothes sensitive areas and helps the skin regenerate faster after daily challenges.

This serum becomes an indispensable morning companion, preparing the face for protection against sun rays. When used regularly alongside a broad-spectrum SPF filter, it helps prevent the formation of new dark spots and maintains long-term skin uniformity. Incorporate this concentrated dose of energy into your daily routine, which you can easily build by visiting our curated selection of beauty products. It is an investment in skin health that pays off with results you can see and feel every day.

Country of origin: South Korea

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.}