COSRX The Vitamin C 23 Serum

Product Details

The 23% highly concentrated stabilized pure vitamin C serum improves skin tone, reduces wrinkles, and targets dull and rough skin as a vitamin C booster. This serum is highly effective, and to slowly prevent oxidation, it is divided into two layers with oil on top of the serum, providing a moisturizing finish. 

Recommended For: COSRX The vitamin C 23 serum is ideal for those who have experience with vitamin c, seek powerful effects in a short time, and desire a special intensive care treatment.

Target concerns: Hyperpigmentation, Anti aging, Dullness, Uneven skin tone & Dark spots

Texture: The oil and pure vitamin c layers blend together and absorb smoothly into the skin, leaving it more supple and radiant. If you experience any stickiness, try adding a bit of moisturizer

Color: It has a yellowish tint, indicating that it contains pure vitamin C and oil.

Key Features and Benefits

• Contains 23% pure ascorbic acid for maximum brightening power.
• Effectively targets dark spots, sun damage, and acne scars.
• Improves overall skin texture and radiance.
• Lightweight, fast-absorbing formula suitable for all skin types.
• Packed with antioxidants to protect against free radical damage.
• Dermatologically tested, suitable for sensitive skin.

How to Use

After cleansing, during the serum phase, shake the bottle lightly once or twice from side to side and apply a few drops to the skin. Use fingertips to gently massage and absorb the serum, starting from the inside of the face working towards the edges.

Proven Results

After 4 Weeks

Pigmentation

• 16.26% reduction in pigmentation.
• 12.79% reduction in melanin area.

Triple-Complexion Skin Tone

• 32.89% reduction in redness.
• 16.67% reduction in yellowness.
• 3.95% improvement in brightness.

Elasticity & Lifting

• 16.36% improvement in external elasticity.
• 12.19% improvement in internal elasticity.
• 11.43% reduction in wrinkles.

After 1 Week:

Brightening

• 32.36% improvement in brightness (skin radiance).

Pores

• 38.65% reduction in pore volume.
• 36.01% reduction in pore area.
• 27.18% reduction in pore count.
• 11.57% reduction in pore depth.

Based on clinical trials of 20 subjects.

Key Ingredients

Super vitamin E(Tocotrienol): 50 times higher antioxidant activities than tocopherol, stimulate collagen production.

Hyaluronic acid: Strong moisture retention properties to maintain hydration.

Allantoin: Soothes and relieves irritation.