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When stored properly
provided the pH is 5
GRADE A / No Fillers
Black Sesame
Optiphen Preservative sale When stored properlyOptiphen Optiphen is a Natural Preservative. Optiphen is a unique paraben free and formaldehyde free liquid preservative system which consists of Phenoxyethanol in an emollient base of Caprylyl Glycol. The combination of these ingredients provides optimized protection against microbial growth while imparting exceptional feel to the finished product. Optiphen is a clear liquid preservative that can be easily added directly to the formulation during pre
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