Is kojic acid banned or restricted in cosmetics?
Restricted, not banned: the EU permits kojic acid within limits (Annex III, entry 375), the lowest cap printed being 1% and the highest 1%, depending on the product. California, the EU and FDA's named list, read 23 October 2026, with EWG Skin Deep's score.
SlipperSkin finding
Read on 23 October 2026, kojic acid is restricted by the EU (Annex III) and not listed in California; EWG Skin Deep scores it 7 out of 10.
Is kojic acid banned in cosmetics?
Restricted, not banned: the EU permits kojic acid within limits (Annex III, entry 375), the lowest cap printed being 1% and the highest 1%, depending on the product. California does not list it. FDA's named list does not include it. EWG Skin Deep scores it 7 out of 10 (data: limited).
What are the EU limits for kojic acid?
The EU does not ban kojic acid; it caps it by product type. The caps below are the annex cells as printed on the EUR-Lex consolidated text of 1 May 2026, with the decimal comma written as a point.
| Where | Annex | Cap, threshold and product type | Condition |
|---|---|---|---|
| Annex III, entry 375 as printed: 5-Hydroxy-2-(hydroxymethyl)-4H-pyrane-4-one (44) | Restricted substances | 1 % Face and hand products | No condition printed in the entry. |
Is kojic acid on California's banned list?
No. It is on neither list (a), in force since 1 January 2025, nor list (b), in force from 1 January 2027, of California's Health and Safety Code section 108980.
What does EWG Skin Deep say about kojic acid?
EWG’s page gives kojic acid a hazard score of 7 out of 10 with limited data. Its concerns line reads, in part: Enhanced skin absorption, Use restrictions (high), and Endocrine disruption (low_moderate). The use-restrictions concern is high. The score is a hazard score on EWG's own scale; it is not a regulatory status.
Where is this read from?
- EU Cosmetics Regulation 1223/2009, consolidated 1 May 2026 (EUR-Lex)
- California Health and Safety Code section 108980
- FDA: prohibited and restricted ingredients in cosmetics
- EWG Skin Deep: Kojic acid
- PubChem: compound 3840 (CAS 501-30-4)
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More ingredient files: Octocrylene · Avobenzone · Octisalate · all 66 ingredient files
Method: California's section 108980 and the EU's annexes were read in Chrome on 23 October 2026; EU lookups are by CAS number (501-30-4) across Annexes II, III, V and VI; EWG's page was kept only if its name matched exactly; the PubChem link is the compound the CAS number resolves to. Statutes change and EWG revises pages, nothing here is a safety verdict, and an ingredient that is not on a list is not endorsed.