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Best full spectrum UV protection mineral blends for use in spray on sun block formulas?
Looking to make prototypes of a spray on mineral sunscreen that could be put into production later on. Companies such as Umicore sell such blends, and BASF has their Z-COTE full spectrum zinc oxide to make formulation easier and help ensure you’re making an effective product (which has been a problem with a lot of “natural” mineral sun blocks, from badger brand to the honest company).
1. Have you worked with any (ideally ecocert) mineral dispersion blends that could easily plug into such a formula?2. Do you have any recommendations as to what emulsifiers to use in a spray-on system?
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2 Replies
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I’m not sure that a spray-on mineral sunscreen will ever be possible. Having a formula strong enough to suspend the minerals very probably means that it will be too thick to spray safely.
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I was wondering if this was the case, but there are a few spray on mineral-only spray sunscreens out there that get good reviews, e.g. http://www.amazon.com/Goddess-Garden-Natural-Sunscreen-Trigger/dp/B00KBXP44I/ref=pd_sim_194_7?ie=UTF8&refRID=0N1KG7TWKNDA7XYAWXJH
Active Ingredients: Titanium Dioxide 6.4%, Zinc Oxide 6.0% Inactive Ingredients: Aloe Vera, Glycerin, Glyceryl Caprylate, Glyceryl Stearate, Glyceryl Stearate Citrate, Glyceryl Undecylenate, Glycine Soja (Soybean) Oil, Helianthus Annus (Sunflower) Oil, Iron Oxide, Lavandula Angustifolia (Lavender) Oil, Lecithin, Polyhydroxystearic Acid, Radish Root Ferment Filtrate, Stearic Acid, Tocopherol (Vitamin E), Xanthan Gum Certified Organic
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