Side-by-side comparison

Anua Niacinamide 10% + TXA 4% Serum vs Byoma Brightening Serum

Both are serums built on the same key actives: Niacinamide and Tranexamic Acid. That makes them genuine alternatives, so price, texture and the supporting ingredients decide it.

2Shared hero actives
Anua
Niacinamide 10% + TXA 4% Serum
SerumBudgetMorning or evening
Dark SpotsPost-Acne MarksDullness

A pigment-focused serum pairing 10% niacinamide with 4% tranexamic acid for dark spots and uneven tone. A well-targeted brightening duo at a budget price; results on stubborn pigment build gradually with daily SPF.

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Byoma
Brightening Serum
SerumBudgetMorning or evening
Dark SpotsDullnesssensitive

Tranexamic acid + niacinamide + ceramide serum at an unusually low price point for this combination. Genuinely effective for post-inflammatory pigmentation and melasma-prone skin — and gentler than vitamin C for many people.

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The verdict

Which should you choose?

Both formulas lean on Niacinamide and Tranexamic Acid, so for the ingredients doing the work they're close alternatives. Anua Niacinamide 10% + TXA 4% Serum is the better fit for post-acne marks; Byoma Brightening Serum for sensitive skin. Both sit in the Budget price tier.

The overlap

What they share

These hero actives appear in both formulas:

NiacinamideTranexamic Acid
The formulation

Ingredient stacks, side by side

Anua Niacinamide 10% + TXA 4% Serum — top of the list

  • Aqua~50–80%
  • Niacinamide~5–25%
  • Glycerin~3–10%
  • Tranexamic Acid~2–6%
  • Butylene Glycol~1.5–4%

Byoma Brightening Serum — top of the list

  • Water~50–80%
  • Propanediol~5–25%
  • Glycerin~3–10%
  • Niacinamide~2–6%
  • Tranexamic Acid~1.5–4%
  • Pentylene Glycol~1–2%
  • Butylene Glycol~1–2%

● marks ingredients that appear near the top of both lists. Percentages are positional estimates from INCI order, not disclosed doses.

At a glance

The specs

Anua Niacinamide 10% + TXA 4% SerumByoma Brightening Serum
CategorySerumSerum
Price tierBudgetBudget
Best forDark Spots, Post-Acne Marks, DullnessDark Spots, Dullness, sensitive
Usage notesMorning or eveningMorning or evening
Shared hero activesNiacinamide and Tranexamic Acid
Questions

Common questions

Is the Anua Niacinamide 10% + TXA 4% Serum or the Byoma Brightening Serum better?
Neither is clearly better on ingredients, since both rely on Niacinamide and Tranexamic Acid. Choose on price, texture and how your skin responds to the rest of the formula.
What's the difference between the Anua Niacinamide 10% + TXA 4% Serum and the Byoma Brightening Serum?
Anua Niacinamide 10% + TXA 4% Serum's hero actives are Niacinamide, Tranexamic Acid and Hyaluronic Acid. Byoma Brightening Serum's are Tranexamic Acid and Niacinamide.
Are the Anua Niacinamide 10% + TXA 4% Serum and Byoma Brightening Serum dupes for each other?
Yes, on the ingredient that matters. Both are built around Niacinamide and Tranexamic Acid, though concentrations, texture and the supporting ingredients can still differ.
Can I use the Anua Niacinamide 10% + TXA 4% Serum and Byoma Brightening Serum together?
Usually, yes. Apply the thinner texture first, then the thicker one, and patch-test when introducing anything new.
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2 shared hero actives

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