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%.
Shea Butter Body Lotion Oatmeal, Milk & Honey | Joy Lane Farm
Мыльные масла и масляные основы из Англии — Купить на .co.uk
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HalalEveryDay
Paraben-free Formaldehyde-free Best if used within one year from opening
Optiphen Plus - Optiphen + Water Soluble and Very Gentle Preservative 4 Oz
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16 oz. Optiphen Plus Preservative for Lotions & Creams
Optiphen Preservative (2 Oz / 60 mL) Optiphen Natural Preservative for Cosmetics Water Soluble Paraben Free Broad Spectrum Preservative for Lotion Making by Talsen Chemicals