An Offensive Defense: Minimizing Preservatives, Maximizing Protection and Resources


The International Cooperation on Cosmetics Regulation (ICCR) and the International Associations Collaboration (IAC) initiated a preservative defense project to address the continued reductions in the number of preservatives and preservative systems used in cosmetics.1 For instance, numerous manufacturers have used methylisothiazolinone (MIT) at its upper limit, which likely caused rapid increases in the number of contact allergies, prompting the European Union to prohibit its use in leave-on products.2–4 Experts within the Japanese Cosmetic Industry Association (JCIA) have also been discussing the challenges of cosmetic preservation.

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