There are no ph restrictions in formulating with Optiphen®. Optiphen® is compatible with most ingredients used in the personal care industry. (Optiphen Natural). Common Use levels of Optiphen for making LOTION + CREAMS is 0.75 - 1.5%.
OPTIPHEN 100% Pure & Natural Gentle Water Soluble Preservative for Lotions Creams Cosmetics Liquid Soaps Butters Body Beauty ALL SIZES
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OPTIPHEN - Natural Gentle Water Soluble Preservative Lotions Creams Cosmetic
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Goat Milk Lotion Unscented - By Whitetail Lane Farm – Whitetail Lane Farm Goat Milk Soap
16 oz. Optiphen Plus Preservative for Lotions & Creams
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