Preservatives: Iodopropynyl butylcarbamate (IPBC)

Iodopropynyl butylcarbamate (IPBC) is a non-formaldehyde releasing chemical based on iodine. It is effective against fungus and bacteria and can be combined with diazolidinyl urea or parabens to create a broad spectrum preservative.The Cosmetics Ingredient Review Panel notes it is safe to use at levels equal to or below 0.1% and the EU allows it…

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