Biofreeze Menthol Pain Relieving Spray 360° aerosol spray features a continuous spray technology with continuous flow even when upside down, making it easy to apply to hard-to-reach areas such as the middle back, neck, and lower extremities. Fast acting, cooling menthol formula delivers penetrating pain relief. There is no limit to what you can do when you cool your aches and pains. HSA/FSA EligibleRestrictions apply; contact your insurance provider about plan allowances and requirements.