Side-by-side comparison

Anua Niacinamide 10% + TXA 4% Serum vs The Inkey List Niacinamide 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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The Inkey List
Niacinamide Serum
SerumBudgetMorning or evening
OilinessCongestionDark Spots

A 10% niacinamide serum with added hyaluronic acid for oil control and blemish support. A clean, affordable single-active option; broadly comparable to other 10% niacinamide serums with a slightly more hydrating base.

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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 Dullness, Post-Acne Marks. The The Inkey List leans toward Congestion, Oiliness.

The overlap

What they share

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

Hyaluronic AcidNiacinamide
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%

The Inkey List — top of the list

  • Aqua~50–80%
  • Niacinamide~5–25%
  • Glycerin~3–10%
  • Sodium Hyaluron…~2–6%
  • Pentylene Glycol~1.5–4%

● 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

AnuaThe Inkey List
CategorySerumSerum
Price tierBudgetBudget
Best forDark Spots, Post-Acne Marks, DullnessOiliness, Congestion, Dark Spots
Usage notesMorning or eveningMorning or evening
Active overlap85% — Hyaluronic Acid, Niacinamide
Questions

Common questions

Is the Anua Niacinamide 10% + TXA 4% Serum or the The Inkey List Niacinamide 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 The Inkey List Niacinamide Serum?
Both are serums that share Hyaluronic Acid, Niacinamide. Where they differ: the Anua targets Dullness, Post-Acne Marks; the The Inkey List targets Congestion, Oiliness.
Are the Anua Niacinamide 10% + TXA 4% Serum and The Inkey List Niacinamide 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 Hyaluronic Acid, Niacinamide. 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 The Inkey List Niacinamide 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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