COSRX The Vitamin C 23 Serum 20ml Double Pack (20ml + 20ml)

Brightens Skin, Fades Dark Spots & Boosts Elasticity

Supercharge your skincare routine with COSRX The Vitamin C 23 Serum, a high-performance vitamin C booster designed to deliver visible results fast. Packed with 23% pure, stabilized vitamin C, this dual-layer formula targets dullness, hyperpigmentation, and fine lines, revealing a brighter, more even-toned complexion. The innovative oil-serum blend helps prevent oxidation, ensuring the formula stays potent while offering a moisturizing finish. In just four weeks, this serum has been clinically shown to improve pigmentation by over 16%, making it the ideal solution for those dealing with dark spots, uneven tone, and aging skin. Whether you’re targeting acne scars or simply seeking an all-over glow, this fast-absorbing, non-greasy formula revitalizes your skin while keeping it hydrated and protected.

SKIN TYPE : All skin types, Aging, and Dull Skin

At our core, we proudly represent the best of Korea—sourcing all of our products directly from trusted Korean manufacturers. Unlike many foreign-run platforms that rely on third-party sellers or bulk purchases from trade shows, we personally curate every item we offer to ensure freshness, quality, and authenticity.

We’re aware that some overseas-operated sites source products of questionable origin—often counterfeit items manufactured in places like Hong Kong or China. That’s not what we stand for. Our mission is to offer only genuine, high-quality Korean goods that you can trust.We are here built our reputation on craftsmanship, integrity, and a deep commitment to excellence. We're not a discount store or a reseller platform focused on volume—we serve those who value authenticity, reliability, and premium quality.

Every product we carry is a reflection of our values and our pride in Korean heritage. And should a product ever fall short of our promise of authenticity, we offer a full, no-questions-asked refund—because your trust is everything to us.

Our team is 100% Korean, and we stand behind every item we provide. When you shop with us, you're not just buying a product—you're experiencing the genuine quality and care that defines Korean excellence.

All shipments are dispatched from our headquarters in South Korea via K-Packet, EMS or DHL.
Orders to the USA and Canada typically take approximately 7-13 business days for delivery. Similarly, orders to EU countries or nearby regions also have an expected delivery time of around 7-15 business days. Orders to Japan, Singapore, and neighbouring countries are estimated to arrive within 3-5 business days.

Your satisfaction is our priority. Enjoy a hassle-free return process within 14 days if you are not completely satisfied with your purchase.