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Several commonly used cosmetic preservatives
May 14, 2018

1 DMDMH and TPBC complex system

2 heavy nitrogen imidazolidourea and IPBC compound system

3 heavy nitrogen imidazolidourea and carbamyl ester compound system

The compound system of 4 esters of esters of nickel and gold

cosmetic preservatives.jpg

Natural preservative: Totarol



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