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Kojic acid is a secure compound that’s non-irritating to the pores and skin when used on the proper focus. In response to Marcus, that must be proper round 1 p.c.
Clear beauty chemist and founding father of KKT Consultants Krupa Koestline notes a barely decrease share. “Most not too long ago the EU [European Union] has advisable a protected restrict of 0.7% for Kojic Acid in topical merchandise,” Koestline stated. This comes from the issues surrounding endocrine disruption at a focus above 0.7%, in accordance with the Scientific Committee on Shopper Security. These are opinions from the SCCS because the research on kojic acid focus are restricted, so maintain that in thoughts.
Whereas kojic acid is a usually well-tolerated ingredient, it is nonetheless acid on the finish of the day. “For these with very delicate pores and skin, proceed with warning as kojic acid does have the potential to trigger irritation and dryness, as with every acid,” Marcus stated.
Additionally like every acid or exfoliating ingredient, kojic acid shouldn’t be used on damaged or irritated pores and skin. To reiterate: Keep away from use on open wounds, sunburns, rashes, or allergic reactions.
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