Sulfax Cool & Hot Patch is a Korean pain relief Hydrogel Ptach
Sulfax Cool and Hot Hydrogel Patch, that works by the unique dual shock therapy technique for Neck, Back & Shoulder pain
How to Use:
Apply the patch on a clean, dry, fixed painful area.
Menthol: Cooling Effect, for pain relief
Vanillyl Butyl Ether: Warming effect to maintain sustainable pain relief, and to act as counter irritant.