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water-soluble preservative for anhydrous product
On the chemists corner preservative webinar, they had mentioned a few times using water-soluble preservatives in anhydrous products vs an oil-soluble preservative. Does anybody have recommendations or had any luck doing this? Formulas I would be interested in adding a preservative to are below.
Stick: Sunflower oil, coconut oil, beeswax, shea butter, jojoba oil
Jar: Vegetable Oil, Castor Seed Oil, Sunflower Seed Oil, Hydrogenated Castor Oil, Beeswax, Carnauba Wax, Shea Butter, Hydrogenated Olive Oil
Jar: Vegetable Oil, Shea Butter, Sunflower Oil, Jojoba Oil, Glyceryl Rosinate, Beeswax, Olea Europaea (Olive) Oil Unsaponifiables, Sunflower Seed Wax
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