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Balm with ZnO turning blue/gray
Hello! I post this product we’re testing to put it under discussion. We’re developing a balm with some sun protection using ZnO.
The first samples changed color from yellow/white to gray overnight, another sample containing bisabolol turned blue, is it possible that ZnO particles (not nano) accelerate oxidation?
Here is the complete list of ingredients:Zinc Oxide (and) Simmondsia Chinensis Seed Oil (and) Glyceryl Isostearate (and) Polyhydroxystearic Acid, Cocos Nucifera (Coconut) Oil, Sorbitan Olivate, Persea Gratissima (Avocado) Oil, Squalane, Euphorbia Cerifera (candelilla) wax, Terminalia ferdinandiana Seed Oil, Tocopherol (mixed), Daucus Carota Sativa Seed Extract CO2, Rosmarinus Officinalis (Rosemary) Leaf Oil, Coconut extract.Which are your thoughts? Thanks!
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