About the Product
- Brand
- COSRX
- Skin Concerns
- Wrinkles, Anti-Aging, Redness, Pores
- Finish
- Radiant
- Formulation
- Oil
Ingredients
Super vitamin E(Tocotrienol)
Hyaluronic acid
Allantoin
Proven Results
After 4 Weeks
Pigmentation
Shipping & Returns
- Once an order is received, processing and shipping normally takes one to two business days to complete.
- Orders are processed and shipped Monday through Friday only.
- Currently, we only ship within the United States.
- All returns must be sent back within two weeks of delivery, must be in sellable condition, and must be packed appropriately.
- Returns must be approved by Naimie's. Please contact our online ordering customer service at (818) 655-9923 or at onlineorders@naimies.com in order to discuss your return.
COSRX The Vitamin C 23 Serum
Enhances skin elasticity with 23% pure vitamin C
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.
/KEEP REFRIGERATED (3~10°C)/
*Please use immediately after purchase and store upright in refrigerator once opened.
KEY INGREDIENTS
• 23% Pure Vitamin C (Ascorbic acid) : Antioxidant activity, brightening(improve blemishes and brighten skin), reduce wrinkles and enhance elasticity.
• 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.
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.
As a result of the clinical trials from Dermacosmetic Skin Science Laboratory Co., Ltd.
- Free Shipping on Orders Over $139
Payment & Security
Your payment information is processed securely. We do not store credit card details.
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Discover more in our FAQ
How long does it take to process and ship my order?
Most orders are processed and shipped within 1–2 business days. Orders are processed Monday through Friday, excluding holidays.
Do you ship internationally?
At this time, Naimie's ships exclusively within the United States.
Are your products authentic?
Yes. All products are sourced directly from brands or authorized distributors to ensure authenticity and quality.
What if this item is out of stock?
Inventory is updated regularly. If an item becomes unavailable after your order is placed, our team will contact you with an update and available options.
Can I return this item if it doesn't work for me?
Returns must be approved by Naimie's and requested within two weeks of delivery. Items must be in sellable condition and properly packaged. Please contact onlineorders@naimies.com to discuss a return.
Need help choosing the right product?
Our team is happy to help. Whether you're a beauty professional, student, or enthusiast, contact us with any product questions and we'll do our best to assist.