The Index · Tyrosinase inhibitor / chelator
Kojic Acid
Kojic Acid
Skin-brightening fungal metabolite under active CIR re-review; historically CIR-safe up to 1%.
EmergingHistoric CIR 1% conclusion under re-review; EU face/hand restrictions already shape global formulas.
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Kojic acid is a fungal metabolite used to target hyperpigmentation via tyrosinase pathways. CIR’s 2010 final report concluded safety up to 1%; the Panel reopened the assessment in 2022 amid EU use restrictions and rising skin-care use[1].
Current CIR status
A Draft Tentative Amended Report dated 11 September 2026 goes to the October 2026 Panel after a third Insufficient Data Announcement in June 2026[1].
Sources · 1
Numbered as cited in the text
Revision history
17 Sept 2026Drafted by botTheSkindex Desk