Essential oils are great ingredients for a variety of reasons – they’re natural, easy to find and useful in everything from cleaning solutions to skin care products. In this post, however, we’ve picked the ones that you should definitely keep in your house when temperatures drop below freezing. Read below to see our list of the best essential oils for the extreme cold. Interested in skin care products with the essential oils listed below? Shop the Real Purity Skin Care category now for 20% off products with your favorites. Use WINTERSKIN at checkout.  Essential Oils and their BenefitsTea Tree Oil: This...