Cooling Relief for Postpartum Care and Swelling 2pcs. Cold therapy is especially beneficial in the days following childbirth, helping reduce swelling in the intimate area. The pad is also ideal for hemorrhoids, C-section scar pain, and general postpartum recovery. How to Use Cold Therapy: Place the gel pad in the freezer for 3-4 hours before use. Remove the pad and place it in the soft cover before applying it to the desired area. Use for about 15 minutes for effective relief. Tip: Always store the pad in the freezer when not in use to ensure its durability and effectiveness. Heat for Pain Relief During Menstruation, Labor, and Sore Muscles