Formulated to target dullness, COSRX The Vitamin C 13 Serum is a lightweight serum designed to brighten and revitalize the skin. This vitamin C-enriched formula helps improve skin tone and texture for a more radiant complexion.
Helps address dullness and uneven skin tone
Lightweight serum texture for easy absorption
Enriched with Vitamin C to support a brighter appearance
Suitable for daily use in your skincare routine
Customer Reviews (4.7 / 5 · 20 reviews)
Steven A.★★★★★
After just a week, my skin looks noticeably more awake and even-toned, which is exactly what I needed. The serum sinks in fast without feeling sticky, so it layers perfectly under my moisturizer.
Isabella I.★★★★★
I’ve been using this serum for about two weeks and the lightweight texture sinks in fast without any sticky residue. Even my dull patches around my nose look more even and brighter in the morning.
Henry★★★★★
My skin looks noticeably less tired in the mornings since I started using this—the lightweight texture sinks in fast without any stickiness. Even my usual dull patches seem to have softened a bit.
Christopher N.★★★★★
The texture is so lightweight it sinks in immediately, and I’ve already noticed my skin looks less dull after a week of use. It gives a subtle, healthy glow without any stickiness.
Joseph Y.★★★★★
After just a few days of using this serum, my skin already looks noticeably less dull and more even. The lightweight texture sinks in fast without feeling sticky at all.
David★★★★★
After just a few days of applying this serum morning and night, my skin feels noticeably plumper and looks more even, especially around my nose. The lightweight texture absorbs instantly without any sticky residue, which I really appreciate under makeup.
Adam X.★★★★★
I've been using it for two weeks now, and the slight citrus scent is actually pleasant without being overpowering. My skin feels noticeably smoother and looks a bit brighter in the mornings.
Aurora★★★★★
I've been using this serum for two weeks now, and my skin looks noticeably brighter, especially around my sun spots. The lightweight texture absorbs quickly without feeling sticky.
Miles★★★★★
After just a week of using this, my dark spots from a breakout are already fading, and the dropper makes it easy to get exactly the right amount.
Madison★★★★★
My skin looks noticeably brighter and more even after just a week of using this serum, and the lightweight texture sinks in fast without feeling sticky. The dropper makes it easy to get just the right amount without waste.