INSTAFLEX EXTRA STRENGTH PAIN RELIEF CREAM DELIVERS TWICE the menthol power of original Instaflex Pain Relief Cream, plus 2X the pain fighting ingredients. This formula also contains a proprietary blend of the same essential oxygenated oil included in original Instaflex, but with even more menthol and methyl salicylate. | THE EXCLUSIVE OXYGENATED OIL IN INSTAFLEX, along with an ideal amount of soothing menthol, goes to work right at the source of your pain, working quickly to relieve pains, strains and joint and muscle pain. And it’s great for nighttime pain! | INSTAFLEX EXTRA STRENGTH PAIN RELIEF CREAM HAS A PLEASANT SMELL AND NO GREASY FEEL. You will enjoy the pleasant, citrus scent, and non-greasy, easily absorbable formula with no burning, irritation, or harmful side effects. | DOCTOR DEVELOPED INSTAFLEX EXTRA STRENGTH PAIN RELIEF CREAM was formulated by internationally recognized Dr. Joseph Pergolizzi, an actively practicing physician, and highly sought-after pain relief instructor, treating patients in his advanced Florida practice. | Backed by an abundance of clinical research and scientific evidence to support maximum effectiveness, our safe, effective ingredients are carefully sourced to ensure maximum purity and potency