Generally, slimming cream will add heating components, which is good for promoting blood circulation. Wrapping plastic wrap can raise the local temperature, so it will be hot. It's really best not to use plastic wrap. Some of the harmful ingredients will be absorbed by your skin with your sweat. If you want to keep it warm, lie on your side and keep your legs together, it will be hot, too, and it will be very hot. After personal experience, I will be awakened by the hot air at night and open the quilt to dry my legs. . .