Does St. John’s wort oil have an expiry date or does it acquire value over time?
I am a lover of the properties of St. John’s wort oil which I feel the effectiveness of every day. I wanted to know if St. John’s wort oil has an expiry date or if, as my trusted herbalist told me, it acquires value over time.
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Dear Homonym, St. John’s wort oil has a good durability but to prolong this property if made at home you can add soybean oil . Sincerely!
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