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USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
For Your Every Summer RSVP, with Code: SUMMER15
Description
COSRX The Niacinamide 15 SerumThe Niacinamide 15% Serum: Refine Pores, Smoothen Skin. Niacinamide and Zinc PCA instantly improves skin texture and radiance by reducing excess oil and minimizing pore sizes. Key Benefits: Based on real results from consumers' self assessments, the Niacinamide 15 Serum minimizes pore size, improves skin texture, and helps fade dark spots. Dermatological Ingredients: 15% Niacinamide helps minimize enlarged pores and refine uneven skintone. 1% Zinc PCA
- The Niacinamide 15% Serum: Refine Pores, Smoothen Skin. Niacinamide and Zinc PCA instantly improves skin texture and radiance by reducing excess oil and minimizing pore sizes.
- Key Benefits: Based on real results from consumers' self assessments, the Niacinamide 15 Serum minimizes pore size, improves skin texture, and helps fade dark spots.
- Dermatological Ingredients: 15% Niacinamide helps minimize enlarged pores and refine uneven skintone. 1% Zinc PCA prevents potential breakouts from occurring.
- How to Use: Shake 1-2 times before use and apply 2-3 drops once or twice daily. For daytime wear, follow up with SPF 30+ sunscreen. Can be applied under the eye area; avoid direct eye contact.
- COSRX Standards: All COSRX products are formulated with skin-friendly ingredients that alleviate irritated skin. Hypoallergenic, Dermatologist tested, Animal Testing-FREE, Parabens-FREE, Sulfates-FREE, Phthalates-FREE
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
4.0 ★★★★★
Based on 1534 reviews
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Product Reviews
★★★★★ 5
Virus Protection
Size: 180 Count (Pack of 1)
Elderberry keeps immune system strong and I have not had cold or flu in over 20 years since I started taking 1 a day. Great prevention
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
Quality and cost are great.
Size: 90 Count (Pack of 1)
Quality, quantity and price really works.
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Reviewed in the United States on April 5, 2026
★★★★★ 5
Love
Size: 90 Count (Pack of 1)
Was great to boost my immune system
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
★★★★★ 5
Good supplement
Size: 90 Count (Pack of 1)
Good supplement. Help boost my immune system.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2026
★★★★★ 5
I take these daily
Size: 180 Count (Pack of 1)
My husband and I take this religiously every day, especially during cold & flu season. No taste, easy to swallow.
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Reviewed in the United States on January 4, 2026