Choosing a Korean serum for hyperpigmentation can get confusing when product names, percentages, and brightening language appear side by side. A useful first filter is simpler: look for the actives the label actually discloses, confirm whether the product is a serum or ampoule, and avoid treating a product page as proof of results it does not state.

For shoppers specifically looking for a niacinamide-and-TXA label, Anua Niacinamide 10 TXA 4 Serum for Brightening and Dark Spots is the clearer match of the two products covered here. It is listed as an ampoule/serum and discloses “NIACINAMIDE 10 + TXA 4.” The listed product page shows a price of $24 USD.

The second option, Anua Peach 70% Niacinamide Serum, is also listed as an ampoule/serum, but its supplied product details focus on the appearance of bumpy texture, dull complexion, and hydration rather than a disclosed TXA amount. That difference matters if your buying priority is a label that names both niacinamide and TXA.

What to check on a hyperpigmentation serum label

A product name alone cannot tell you whether a serum fits a dark-spot routine. Compare these four points instead.

  1. Disclosed active details. If you are shopping specifically for niacinamide and tranexamic acid (TXA), look for both on the product detail page rather than assuming they are present from “brightening” language.
  2. Product format. Serum and ampoule are often used as category terms, but they do not establish a universal application order or potency level. Both Anua products here are categorized as ampoule/serum.
  3. The stated focus. A product may be positioned around dark spots, texture, hydration, or complexion appearance. Those are different shopping signals, even when products sit in the same serum category.
  4. Daily-routine fit. Check the package directions, full ingredient list, and any warnings before combining a new serum with other active products. Product category and a short feature list do not answer every layering question.

Best for a label that discloses niacinamide 10 and TXA 4

Anua Niacinamide 10 TXA 4 Serum for Brightening and Dark Spots is the best fit in this comparison for shoppers who want a Korean ampoule/serum with the active disclosure “NIACINAMIDE 10 + TXA 4” on its product page.

Buyer criterionWhat the product page listsWhy it matters when comparing labels
FormatAmpoule/SerumIt belongs in the serum/ampoule step of a routine, subject to its package directions.
Named activesNIACINAMIDE 10 + TXA 4It gives a direct label match for shoppers seeking both named ingredients.
Listed price$24 USDA clear price point for comparing the two products.
Other listed detailsSPF 50, Broad Spectrum SPF 50, Water Resistant (80 minutes), Melting Collagens 99%, Melting PDRN 1%These are page-listed details, but they do not replace checking the package’s directions and full labeling for daily use.

The main reason to consider this Anua serum is specificity. The supplied product information identifies both niacinamide 10 and TXA 4, while the other product’s supplied details do not list TXA. That makes the first product easier to assess when “niacinamide plus TXA” is your non-negotiable label criterion.

The product page also lists SPF 50, Broad Spectrum SPF 50, and water resistance for 80 minutes. Because the same page is for an ampoule/serum, confirm the product packaging, directions, and full labeling before deciding how that SPF information fits into your sun-protection routine. A shopper should not assume that a serum format answers every sunscreen-use question.

Best for a routine centered on texture and dull-complexion claims

Anua Peach 70% Niacinamide Serum is the better fit between these two products when your label review is more focused on the product’s stated texture, dull-complexion, and hydration positioning than on finding a disclosed TXA amount.

The product page lists it as an ampoule/serum at $22 USD. Its listed details say it helps visibly improve the appearance of bumpy texture, enhances the appearance of dull complexion, and hydrates skin. The page also says its Peach Yogurt Complex gently cares for rough skin and helps remove dead skin cells.

This is a different purchase case from the niacinamide-and-TXA search. The product name includes niacinamide, but the supplied evidence for this article does not provide a TXA disclosure or a niacinamide percentage. If those numbers are important to your decision, check the current full ingredient list and product label before purchasing rather than filling in the gaps from the name.

How to layer a serum without turning the routine into guesswork

A simple routine is easier to evaluate than a crowded one. The useful question is not whether a serum, essence, and ampoule can all be used together in theory; it is whether each product’s directions and ingredient list support the combination you plan to use.

For either ampoule/serum, start with the product’s own directions and place it within the basic routine described on its packaging. When adding another brightening product, avoid assuming that two products belong in the same application step just because they share a category or ingredient theme. Introducing several new products at once also makes it difficult to tell which one is responsible if your skin becomes uncomfortable.

For discoloration concerns, daily sun-protection planning is a separate buying check from selecting a serum. If a page lists SPF-related claims, verify the product’s intended use, directions, and labeling. If you already use a separate sunscreen, check how the serum’s directions fit with that routine instead of relying on category names alone.

A quick comparison of the disclosed details

ProductBest forLabel details relevant to this guideListed price
Niacinamide 10 TXA 4 Serum for Brightening and Dark SpotsShoppers seeking a serum label that names both niacinamide and TXAAmpoule/serum; “NIACINAMIDE 10 + TXA 4”$24 USD
Peach 70% Niacinamide SerumShoppers prioritizing stated texture, dull-complexion, and hydration positioningAmpoule/serum; product page discusses bumpy texture, dull complexion, hydration, and Peach Yogurt Complex$22 USD

This is not a results ranking. The supplied product details support a comparison of disclosed information and stated product focus, not a claim about how quickly either serum changes dark spots or which type of pigmentation it treats.

Decision rule: choose the label match, then verify the routine details

Choose Niacinamide 10 TXA 4 Serum for Brightening and Dark Spots if you want an ampoule/serum whose product page explicitly discloses niacinamide 10 and TXA 4. It is the more direct match for a buyer searching for those two named actives in one product.

Choose Peach 70% Niacinamide Serum only if its stated focus on the appearance of texture, dull complexion, and hydration better matches what you want from the product. Do not treat “Peach 70%” as a substitute for a disclosed active breakdown.

Before buying either one, check the current package directions, complete ingredient list, and any warnings. For persistent, changing, or concerning pigmentation, seek assessment from a qualified dermatologist rather than relying on over-the-counter skincare alone.

Sources

Sources

  1. Anua Niacinamide 10 TXA 4 Serum for Brightening and Dark Spots
  2. Anua Peach 70% Niacinamide Serum