Tested by 50plusHealth with astonishingly effective results, Biofreeze is a pain relieving gel that uses 'cryotherapy' - cold application - to bring penetrating relief from a wide range of aches and pains. Containing Ilex, a herbal extract with an active ingredient, it aids in the treatment of hip, back, shoulder and neck pain, stiff joints and muscles, and conditions such as arthritis, bursitis, and tendonitis.