Optiphen Plus is a paraben- and formaldehyde-free preservative system that is ideal for products with a lower pH systems. Optiphen Plus is an ISP patent-pending liquid preservative formulation featuring an innovative blend of phenoxyethanol, sorbic acid and an emollient base that is ideal for slightly acidic personal care products requiring broad spectrum protection. The combination of all three ingredients offers effective protection against bacteria, yeast and mold growth while imparting emolliency. Optiphen Plus performs best in formulations below 6.0 pH. Depending on the formulation, Optiphen Plus has also been proven effective at pH levels above 6.0. This preservative is effective as a stand-alone system and functions well with other preservatives. Optiphen Plus has an extensive range of applications in aqueous and emulsion-type personal care formulations and is compatible with most raw materials in the personal care industry. INCI: Phenoxyethanol (and) Caprylyl Glycol (and) Sorbic Acid.
C**T
CONFLICTED - DIDN'T PERFORM WELL
While I feel pretty confident that this is a good preservative - although I've no way of testing it. I've used it twice, in a lotion that failed and I found out later that optiphen is often the reason for lotion-failure and in a spritzer, to keep cool, simply because using water in anything without a preservative is dangerous. There is no separation in that solution but it would be hard for there to be as there are only 2 other ingredients and it is not an emulsification. I'm conflicted. It might be a good brand of optiphen but rather just that optiphen is not a good thing to use in a lotion or it might be that this particular brand of optiphen is not good in emulsions. IDK
D**D
it is ok.
Did what is says.
T**N
Good preservative for serums
Still trying to figure out amount to add to serums. It does keep Vitamin C from turning yellow or brown as quickly.
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