What is Warm Wax Therapy Treatment? Warm Wax Therapy Treatment involves applying paraffin wax heat therapy to increase blood flow and relax muscles, both of which improve pain. It also intensely softens the skin. It is especially beneficial to people suffering with joint pains. The wax used contains essential oils which provide intense moisturisation as well as antiseptic and anti-inflammatory effects. The oils contained are lavender, frankincense, myrrh, sunflower, orange and bay leaf; the combination of which smells beautiful. Conditions that may benefit from Warm Wax Therapy Treatment: