Quick answer: the Good Molecules Discoloration Correcting Serum comes closest to the Byoma Brightening Serum: it has every key treatment active in it (Tranexamic Acid and Niacinamide). On price, both sit in the Budget tier. It also overlaps with 10 other products below.
Products the Discoloration Correcting Serum matches
Byoma
2 of 2
hero actives matched
Same price tierTranexamic AcidNiacinamide
Why it holds up: Matches every key treatment active in the original: Tranexamic Acid and Niacinamide.
Full ingredient analysis →See them side by side →Beauty of Joseon
1 of 1
hero active matched
Same price tierNiacinamide
Why it holds up: Matches every key treatment active in the original: Niacinamide.
Full ingredient analysis →See them side by side →The Ordinary
1 of 1
hero active matched
Same price tierNiacinamide
Why it holds up: Matches every key treatment active in the original: Niacinamide.
Full ingredient analysis →See them side by side →2 of 3
hero actives matched
Same price tierNiacinamideTranexamic Acid
Why it holds up: Matches every key treatment active in the original: Niacinamide and Tranexamic Acid.
Full ingredient analysis →See them side by side →Naturium
1 of 2
hero actives matched
Same price tierNiacinamide
Why it holds up: Matches every key treatment active in the original: Niacinamide.
Full ingredient analysis →See them side by side →Paula's Choice
1 of 2
hero actives matched
Pricier originalNiacinamide
Why it holds up: Shares Niacinamide, but not the original's Licorice Root Extract.
Full ingredient analysis →See them side by side →La Roche-Posay
1 of 3
hero actives matched
Pricier originalNiacinamide
Why it holds up: Shares Niacinamide, but not the original's Melasyl.
Full ingredient analysis →See them side by side →1 of 3
hero actives matched
Pricier originalTranexamic Acid
Why it holds up: Shares Tranexamic Acid, but not the original's Azelaic Acid and Kojic Acid.
Full ingredient analysis →See them side by side →1 of 3
hero actives matched
Same price tierNiacinamide
Why it holds up: Shares Niacinamide, but not the original's Zinc.
Full ingredient analysis →See them side by side →1 of 3
hero actives matched
Same price tierNiacinamide
Why it holds up: Shares Niacinamide, but not the original's Retinol and Licorice Root.
Full ingredient analysis →See them side by side →1 of 4
hero actives matched
Pricier originalNiacinamide
Why it holds up: Shares Niacinamide, but not the original's Retinol and Licorice Root Extract.
Full ingredient analysis →See them side by side →Common questions
Is the Good Molecules Discoloration Correcting Serum a real dupe?
It shares hero actives with 11 same-category products in our catalogue, most closely the Byoma Brightening Serum (matching 2 of 2 of its hero actives). "Dupe" here means shared key ingredients, not an identical formula.
Does matching more hero actives make it better?
No. The match count only shows how many hero actives are shared. The base, supporting ingredients, texture and price still differ, so use the side-by-side comparison for the full picture.
Go deeper
Discoloration Correcting Serum
Full ingredient breakdown for this product.
Open the analysis →Educational information only — not medical advice. Overlap reflects shared hero actives, not clinical equivalence.