1 -2 oz of Optiphen is enough for about 100 oz of lotion, cream etc. Best if used within one year from opening
Talsen Chemicals Optiphen Preservative (4 Oz / 118 mL) Optiphen Natural Preservative for Cosmetics Water Soluble Paraben Free Broad Spectrum Preservative for Lotion Making : Arts, Crafts & Sewing
Preservative Online Store South Africa
Germaben II 4 Oz - Natural Preservative - Great for India
Oslove Organics Emulsifying Wax NF- Pure Vegetable Base For
OPTIPHEN PLUS Optiphen 100% Pure & Natural Preservative for Lotions Creams Absorbic Acid Personal / Beauty Care Comsetics All Sizes
Sorbic Acid Preservative + 2PF - Wholesale Supplies Plus
APPLE CIDER VINEGAR Lotion - Ziryabs Body Brew
Paraben Preservatives
A gentle preservative- Oil Soluble- Broad Spectrum
Oil Soluble Natural Preservative (Optiphen) - 4 Oz - Broad Spectrum- Paraben-Free - Formaldehyde Free - Great for Making soap, Lotion, Cream, Lip Balm
Aloe Vera & Rosemary Conditioner Spray - Leave In 8 oz – LunaVeeLux
Preservative - Sorbic Acid +2 PF - Crafter's Choice