Each ice and heat is helpful for relieving ache — particularly headache ache. All of it depends upon what you favor, in line with On a regular basis Well being. Merely place it in your brow, temples, or again of the neck, relying on the place the ache stems from, and maintain a material between your pores and skin and the recent or chilly again. Additionally ensure there are no leaks, particularly if the pack has chemical substances inside to take care of its temperature.