Because the patches continuously release gel, their effects can last for up to eight hours.
The sensation makes it harder for the brain to receive nerve signals, resulting in a reduction in discomfort.Biofreeze XL Patch Variety Pack, 4 ct | CVS Their proportions make them ideal for using on your back, side and other large muscle groups; they also work well on long and narrow spots, such as your arms and legs. Apply the patches up to four times per day to help control pain related to exercise, overuse, injury, arthritis and the like. This pain relief patch is free of NSAIDs, parabens and propylene glycol, protecting those with related sensitivities.