Topical agents like methol, camphor, methyl salicylate, lidocaine, and capsaicin act on pain receptors under the skin, called nociceptors, blocking nerve signals to and from the brain. The ...

This applies to topical pain relievers—creams, ointments, lotions, and patches—including menthol, methyl salicylate, lidocaine, or capsaicin. The Icy Hot Sleeve comes in one form and dosage.