Side-by-side comparison

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

Both are serums. They share a 85% active-ingredient overlap, so the real decision is about price, texture and the supporting ingredients. Here's the side-by-side.

85%Active overlap
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 sit in the Budget tier, so cost isn't the deciding factor here — choose on texture, finish and the supporting ingredients. The Anua leans toward Post-Acne Marks. The Byoma leans toward sensitive.

The overlap

What they share

At 85% active overlap, these are the ingredients doing comparable work in both formulas:

NiacinamideTranexamic Acid
The formulation

Ingredient stacks, side by side

Anua — top of the list

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

Byoma — 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

AnuaByoma
CategorySerumSerum
Price tierBudgetBudget
Best forDark Spots, Post-Acne Marks, DullnessDark Spots, Dullness, sensitive
Usage notesMorning or eveningMorning or evening
Active overlap85% — Niacinamide, Tranexamic Acid
Questions

Common questions

Is the Anua Niacinamide 10% + TXA 4% Serum or the Byoma Brightening Serum better?
Neither is clearly better — they overlap 85% on active ingredients and sit in the same price tier. The difference comes down to texture, finish and the supporting ingredients, so the right choice depends on your skin type and preferences.
What's the difference between the Anua Niacinamide 10% + TXA 4% Serum and the Byoma Brightening Serum?
Both are serums that share Niacinamide, Tranexamic Acid. Where they differ: the Anua targets Post-Acne Marks; the Byoma targets sensitive.
Are the Anua Niacinamide 10% + TXA 4% Serum and Byoma Brightening Serum dupes for each other?
They share 85% active-ingredient overlap based on published INCI lists, so one can stand in for the other on the actives that matter — chiefly Niacinamide, Tranexamic Acid. A dupe matches the hero actives, not the full sensory experience, so expect differences in texture, fragrance and exact concentrations.
Can I use the Anua Niacinamide 10% + TXA 4% Serum and Byoma Brightening Serum together?
They both fill the serum slot in a routine, so you'd normally pick one rather than layer both. If you want to use both, treat one as your daytime option and the other for evening, and patch-test when introducing anything new.
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77% overlap

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