Do esters require an antioxidant?
Specifically, I am thinking to incorporate NatraSil (Hydrogenated Ethylhexyl Olivate, Hydrogenated Olive Oil Unsaponifiables) into my moisturizer at around 2-3%.
Will I need to add an antioxidant like tocopherol if I do this? There are no other components in the formula that require one.
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