Paraffin wax The warm paraffin wax moisturises for healthier looking, softer skin. Paraffin wax treatments are fast-acting, drug-free, and versatile, providing therapy for many different ailments such as Fibromyalgia, arthritis, joint pain. Hands/feet are submerged in the wax, wrapped in a plastic cover and a hand/foot mitt and left to soak for around 15minutes. This warming treatment soothes aching joints and improves circulation, and the combination of oil and wax, it leaves the skin silky smooth.