Biofreeze Pain Reliever Spray is clinically used and recommended topical analgesic of healthcare professionals, long lasting pain relief up to 3 hours. Chiropractors, physical therapists, massage therapists, podiatrists and athletic trainers use Biofreeze to give immediate relief from muscle and joint pain. It applies easily and penetrates quickly to relieve aches and pains related to sore muscles and joints, sprains, strains and bruises.