A fungal-derived ingredient used for the look of uneven tone; can be more irritating than its gentler cousins.
More on this ingredient: read the guide.
Read the neutral reference entry →Both are acidic, tone-directed and capable of stinging, and using them in the same step is a common cause of irritation. Splitting them across AM and PM is the usual advice, particularly on sensitive skin.
Kojic acid is among the more irritating brightening ingredients, and an AHA on top of it compounds that. Alternate nights rather than layering; a stinging, reddened barrier will hold pigment longer, not clear it faster.
Both target the same step in pigment production, so combining them stacks irritation risk more reliably than it stacks results. If you use both, introduce one at a time and watch for redness — kojic acid is the more irritating of the two.
A sensible pairing: niacinamide is well tolerated and addresses pigment transfer, which balances kojic acid's harsher profile. Often formulated together for that reason.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
We have not reviewed this combination. That means we have nothing to report about it — not that it is safe, and not that it is a problem. Treat it as an open question: introduce one new product at a time and patch-test, as you would with any unfamiliar pairing.
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