Yes, lavender and vitamin e are in my notes as preservatives, in addition to the anti-microbial herbs that may already be in the lotion. Â In the medicine making module Doc says 6 months basic shelf life, longer depending on ingredients and cool storage. Â The issue for me wouldn’t be water, but oil going rancid, or already being rancid, depending on how long it sat on a warm shelf somewhere. Â Items like sesame or peanut oils are already long gone before you buy them. Â I check harvest/dates on oils for food or medicine.
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