Quote:
Originally Posted by icelander
What does that mean? I've used it for years and as long as it's 70% or less I'm good to go. At 90% it causes itching and pain.
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DMSO is an industrial solvent that we used in the chemistry lab. I avoided it when I did method development because it has the ability to absorb polar and non-polar substances and could wreck your equipment; therefore it can easily absorb things in your surroundings and pull them into your skin.
As long as you are careful using it, there shouldn't be a problem. Make sure your skin is clean and that nothing gets into your DMSO container.