Does the salt add some preservative power? I've recently been creating pressed herb salt scrubs(not sure if ots a real thing but tgats what i call it). Last summer I had lots of leftover, fresh herbs from the garden, and I pressed them between layers of salt , to infuse the salt for scent, some color, and benefits (and to later use in a scrub). I havent had any issues with mold. I don't however plan to use them , without first laying the mixtures out onto cookie sheets to let any residual water content evaporate. But the salt has preserved well.
HI Jade Violet - This is exactly the way people used to preserve meats and other food items in 'days of yore' - by completely surrounding the item with salt. So you are right about salt having preservative power, but in this particular scrub, the salt is there purely for skin benefits.
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