Question: Why would you leave out preservatives for sensitive skin? What do I mean by “water”?

Sarah asks in this post, Lotions: Making a cream: I made an unscented cream yesterday for my friend with very sensitive skin. I left the cream in the bowl over night with a stainless steel spoon in it. Today I noticed on one side of the spoon the cream has been discoloured (purple in colour). From…

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