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Please help, Grey/Greenish cream base after adding Zinc Oxide
Hello, I have a cream base with sunflower lecithin (liquid) and tween 20, and when I add zinc oxide I get a grey, almost green color after it’s cooled. It’s not visible on skin but I wonder why I get such color result. My recipe is
Water phaze:
Water
Sunflower lecithin 7%
Polysorbate 20 2%
HA Solution 2%Oil Phaze:
Zinc Oxide 9%
Alkyl benzoate 10%
Almond oil 15%
Cetearyl Alcohol 4%Cool Down:
Panthenol 2%
Vitamin E 1%
Phenoxyethanol 1%I think the problem is sunflower lecithin because I use soy lecithin in the past and had not any grey cast.
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