How does Deep Freeze spray/gel work? Does it have the same effect as putting ice on the muscle, by withdrawing heat from it, or is it some chemically made artificial cooling sensation?
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Deep Freeze uses peppermint oil (previously levomenthol, but they reformulated due to changes in the law). This causes a sensation of coolness without an actual lowering in temperature. However the body reacts in a similar way, by reducing blood flow to the affected area, so it does cause a reduction in swelling similar to if an actual ice pack had been used.
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