The synthetic medium of optical N acylalanines was N (2,6 xylyl) alanine.It was reacted with 1 menthol and prepared into its menthol esters which were purified by TLC, resolved and determined by HPLC.
Menthol soothed itchy skin in ancient China, and camphor, a chemical from Evergreen trees historically used to make explosives, has been soothing itchy skin since the 13th century.
It's cold outside, but I think because of the the menthol, you know when you have, when you like eat a mint and then drink water, it just like, is icy cold?
If you wanna give it a shot, check for allergies first and make sure to take it out of your gym bag if you normally leave it in your car so it doesn't melt when it gets hot.