Dear, Do you have PH-independent preservative for make roomspray with essential oil? How can I order and do you ship the order to other EU country? . .
Dear, for a room spray with essential oil we recommend Cosgard as a preservative, but please note it is not fully pH-independent — it works best around pH 5–7. Use about 0.6%. Essential oil must first be mixed with a solubilizer, for example Polysorbate 20, otherwise it will not dissolve in water. For 100 g spray you can use about 94.4 g water/hydrolate, 3–5 g Polysorbate 20, 0.5–1 g essential oil and 0.6 g Cosgard. Mix essential oil with Polysorbate 20 first, then add water/hydrolate and Cosgard at the end. You can order directly at ekokoza.com and we ship to EU countries; available shipping options will be shown in the cart.
Petr
Can I use Solubol and AMTicide®Coconut? Thank you . .
Dear, yes, you can use Solubol to disperse essential oils in a water-based room spray. Mix the essential oil with Solubol first, usually around 1 part essential oil to 4 parts Solubol, and only then add water or hydrolate.
With AMTicide® Coconut I would be a little more careful. It is mainly used to help protect against yeast and mold, but it is not usually considered a complete broad-spectrum preservative on its own for a water-based product. The usual recommended level is about 2–4%, and the pH should still be checked, ideally around pH 3–8.
For a small homemade room spray, it may be fine if you make a small batch and use it reasonably quickly. If the product is intended for sale or long storage, I would recommend a proper microbiological/challenge test or using a proven broad-spectrum preservative.Teri
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