Which Korean tranexamic acid serum for melasma and dark spots?
An honest answer first: none of the serums we currently stock are labelled as a dedicated tranexamic acid product, so if a strict ~4% tranexamic acid formula is your only goal, wait until it is listed rather than settling for a vague label. In the meantime, the most useful in-stock option for melasma and dark spots is a well-formulated niacinamide serum, which supports a more even tone and pairs naturally with the actives you would eventually add.
Below we explain how to read tranexamic acid labels, why niacinamide and centella pairings matter, and a realistic 4-12 week timeline with the one non-negotiable step: daily SPF.
Best pick if you want a clearly stated 15% niacinamide serum to target dark spots and uneven tone.
Suits those wanting a lighter, hydrating niacinamide ampoule for everyday even-tone support.
For anyone who wants niacinamide combined with a vitamin and peptide focus in one ampoule.
A gentle first-step cleanser with niacinamide, good for keeping the routine simple before actives.
A weekly support mask for hydration and firmness while you stay consistent with your serum.
How to choose: concentration and honest labels
With tranexamic acid, look for a stated percentage. The commonly cited working range sits around 4%, and a clear number tells you the brand is confident in the formula. Treat vague claims like "brightening complex" or "tranexamic blend" with caution, because without a figure you cannot judge whether the active is present in a meaningful amount.
The same logic applies to niacinamide, where the percentage is usually printed on the label. A clearly stated concentration is a sign of a transparent product and makes it easier to build a predictable routine.
Pairing: niacinamide versus centella
Niacinamide is the practical pairing for dark spots and uneven tone, and it layers comfortably with most brightening actives. If your skin is reactive or easily irritated, a centella-focused product is the calmer companion, prioritising comfort while you introduce anything stronger.
Start with one active at a time. Patch test any new serum on a small area for a few days, then introduce it gradually, every other night, before moving to daily use if your skin tolerates it well.
A realistic 4-12 week timeline
Melasma and older dark spots respond slowly. Expect little visible change in the first 4 weeks, gradual improvement across 8 weeks, and a clearer sense of results around 12 weeks of consistent use. Consistency matters far more than layering many products at once.
The single most important step is broad-spectrum SPF every morning, reapplied through the day. Without daily sun protection, melasma tends to darken again and any serum will struggle to keep up.
How it fits your routine
A simple order works best: cleanse, apply your niacinamide serum, moisturise, then SPF in the morning. Keep the evening routine gentle and avoid stacking exfoliating acids with new actives in the same week.
A weekly hydrating or firming mask can support the skin barrier while you stay consistent, but it is a support step, not a spot treatment.