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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
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For Your Every Summer RSVP, with Code: SUMMER15
Description
COSRX The Niacinamide 15 Serum 20gCOSRX Niacinamide Serum COSRX The Niacinamide 15 Serum is for individuals with oily, combination, or acne prone skin who want to manage excess oil and rough skin texture. The COSRX Niacinamide Serum is a skincare product that helps make skin look smoother and more even. Why We Recommend This Product This product comes in a 20g bottle. It contains 15% niacinamide. The formula includes Acetyl Glucosamine and Zinc PCA. It is lightweight and absorbs
COSRX Niacinamide Serum
COSRX The Niacinamide 15 Serum is for individuals with oily, combination, or acne-prone skin who want to manage excess oil and rough skin texture. The COSRX Niacinamide Serum is a skincare product that helps make skin look smoother and more even.
Why We Recommend This Product
- This product comes in a 20g bottle.
- It contains 15% niacinamide.
- The formula includes Acetyl Glucosamine and Zinc PCA.
- It is lightweight and absorbs quickly.
- The serum does not leave a sticky feeling.
- It can be used in the morning or at night.
Each 20mL bottle gives a concentrated formula with a high amount of niacinamide. The serum has a light, refreshing feel that goes into the skin quickly. It does not leave a greasy feel, making it easy to put on other products or makeup afterward. The serum works on things like bumpy skin, oil, and pores.
The COSRX Niacinamide Serum has ingredients like N-Acetylglucosamine (NAG), which helps to even out skin tone. It also has Zinc PCA, which helps with inflammation. Allantoin helps to make the skin feel better. The product is suitable for all skin types, but it is especially helpful for skin that gets oily and has breakouts. You can use it in the morning or evening. If you use it in the morning, be sure to also use a sunscreen with SPF 30 or higher.
Ingredients
Water, Pentylene Glycol, Niacinamide(15%), Butylene Glycol, Acetyl Glucosamine, 1,2-Hexanediol, Zinc PCA, Trehalose, Xanthan Gum, Pullulan, Allantoin, Ethylhexylglycerin, Sodium Phytate, Citric Acid, Tocopherol.
Directions
After cleaning your face, use a few drops of the serum. Gently press the serum into your skin with your fingertips, starting from the middle of your face and moving outward.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Nice
Size: X-Large, Color: Royal Blue
Nice to size great fit very nice
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 10, 2026
★★★★★ 5
Suit looks great for fun formal events
Size: X-Large, Color: Green
The style and fit are great. I did notice a white thread in the shoulder poking out. I used a marker to darken it so it was not noticeable but other than that this suit really looks great. We have a music event in a couple of weeks that I am wearing this to and think it will delight as a sharp but different. I was also happy that it did not require alterations, sleeve length was on spot and everything fit great (XL) also this is a slim fit but I am not that slim and it fit nicely on me. As long as it doesn't disintegrate during the event I will consider this money well spent.
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Reviewed in the United States on January 13, 2025
★★★★★ 5
Very stylish & tailored fit
Size: Small, Color: Pink
My husband purchased this suit as a “flower-bro” at my sister’s wedding. Unfortunately the color theme for the wedding was changed so he had to change it out which I was sad about because it fit him very well and looked great! The quality was good and the fit looked tailored.
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Reviewed in the United States on January 7, 2026
★★★★★ 5
Loved
Size: Small, Color: Sliver, Size: Small, Color: Sliver
Loved it. Fit well, sizing was good, however think I could have gotten my son the next size down. We ended up buy a smaller size pants.
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Reviewed in the United States on April 19, 2026
★★★★★ 5
Beat tuxedo ever !!!
Size: Large, Color: Royal Blue
So beautiful. The texture, design, and quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
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