- #1
Zachrz
- 5
- 0
Hi, Its my first time here in PF, I was wondering what could be a fast endothermic reaction(with water) that does not burn the skin/ cause severe allergic reactions when/after touching or in contact with the reaction. (With high rate of cooling and hopefully no bubbles or gas forming). E.g to be applied onto the skin. I searched all over the web and found urea with water but i don't know whether it is safe for humans. Please give any insights if possible. Thank you
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