Serum category

Korean serums, ranked.

Vitamin C, retinol, PDRN, azelaic acid, and the actives Korean formulators do best. Every guide is built from ingredient analysis, verified buyer reviews, and dermatologist input.

01
An amber-tinted glass dropper bottle in honey-gold light on hanji paper over warm oak.
Vitamin C
31 reviewed

Best Vitamin C Serum

COSRX 23%, Klairs, SKIN1004, Numbuzin multi-form — ranked.

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02
A frosted glass ampoule beside a salmon-pink ceramic dish and a soft pink silk ribbon.
PDRN
14 reviewed

Best PDRN Serum

Medicube, COSRX, and the two REJURAN ampoules — ranked.

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03
A deep amber serum dropper bottle with black cap in late-afternoon light beside a dried rose petal.
Retinol
19 reviewed

Best Retinol

COSRX 0.5 Oil, Some By Mi, BOJ, Mary & May — ranked.

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04
A matte white ceramic jar open to show a cream-colored balm, with dried chamomile and folded cotton.
Azelaic Acid
12 reviewed

Best Azelaic Acid

ANUA, TIRTIR 12%, Delphyr, PURITO multi-use — ranked.

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Your shelf, edited

The useful answer is usually on the label.

Start with the active you are curious about, then see which Korean formulas contain a meaningful amount of it.

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