K-salon paraffin wax smoothens and softens dry skin on hands, elbows, and fee. Heat therapy for stiff hands is great, this parrafin bath spa system at home is convenient and works great for arthritis. It's not a cure but it can improve mobility. Just place paraffin wax into the machine and then choose the desired temperature;Wait 20 mins, immerse hands, elbows, or heels in the wax creating a covering, relax for 10 minutes, and peel off the reveal silky skin.