Quick answer: the closest dupe for the Anua Niacinamide 10% + TXA 4% Serum is the Byoma Brightening Serum — 85% active overlap, sharing Niacinamide, Tranexamic Acid. Similar price, so compare on the base, supporting actives and texture rather than cost. Note the original also carries Hyaluronic Acid.
The contextWhy look for a Niacinamide 10% + TXA 4% Serum dupe?
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.
A good dupe isn't about a matching label — it's about matching the hero actives, the ingredients carrying the real work. For this serum that means Niacinamide, Tranexamic Acid, Hyaluronic Acid. The alternatives below share that profile; where they differ is in texture, supporting ingredients and finish.
The matchesClosest alternatives
★ Closest matchBudgetNiacinamideTranexamic Acid
Why it works: Built on the same hero actives — Niacinamide, Tranexamic Acid — which is what drives results in a serum.
What's different: Similar price, so compare on the base, supporting actives and texture rather than cost. Note the original also carries Hyaluronic Acid.
Full ingredient analysis → BudgetNiacinamideTranexamic Acid
Why it works: Built on the same hero actives — Niacinamide, Tranexamic Acid — which is what drives results in a serum.
What's different: Similar price, so compare on the base, supporting actives and texture rather than cost. Note the original also carries Hyaluronic Acid.
Full ingredient analysis →BudgetHyaluronic AcidNiacinamide
Why it works: Built on the same hero actives — Hyaluronic Acid, Niacinamide — which is what drives results in a serum.
What's different: Similar price, so compare on the base, supporting actives and texture rather than cost. Note the original also carries Tranexamic Acid.
Full ingredient analysis →BudgetHyaluronic AcidNiacinamide
Why it works: Built on the same hero actives — Hyaluronic Acid, Niacinamide — which is what drives results in a serum.
What's different: Similar price, so compare on the base, supporting actives and texture rather than cost. Note the original also carries Tranexamic Acid.
Full ingredient analysis →BudgetHyaluronic AcidNiacinamide
Why it works: Built on the same hero actives — Hyaluronic Acid, Niacinamide — which is what drives results in a serum.
What's different: Similar price, so compare on the base, supporting actives and texture rather than cost. Note the original also carries Tranexamic Acid.
Full ingredient analysis →BudgetNiacinamide
Why it works: Built on the same hero actives — Niacinamide — which is what drives results in a serum.
What's different: Similar price, so compare on the base, supporting actives and texture rather than cost. Note the original also carries Tranexamic Acid, Hyaluronic Acid.
Full ingredient analysis →Common questions
What is the best dupe for the Anua Niacinamide 10% + TXA 4% Serum?
The closest alternative in our catalogue is the Byoma Brightening Serum, which shares Niacinamide, Tranexamic Acid and scores 85% on active-ingredient overlap. Similar price, so compare on the base, supporting actives and texture rather than cost. Note the original also carries Hyaluronic Acid.
Are Niacinamide 10% + TXA 4% Serum dupes really as good as the original?
A dupe matches the hero actives — the ingredients doing the measurable work — but rarely the full sensory experience. Texture, fragrance, supporting ingredients and exact concentrations differ, so treat a dupe as a value-led alternative rather than an identical copy.
How does Skin Stacker choose Niacinamide 10% + TXA 4% Serum dupes?
We match products in the same category (serum) that share hero actives (Niacinamide, Tranexamic Acid, Hyaluronic Acid), then rank by overlap and price. Matches are based on published INCI lists, not lab assays.
Compare them yourself
Skin Stacker is independent and receives no payment from any brand. "Dupe" matches are based on publicly disclosed INCI lists and shared hero actives — not on side-by-side lab testing. A shared active profile does not guarantee an identical experience: texture, fragrance, supporting ingredients and concentrations all differ. Formulations change — always re-check the current label before buying.