Cooling Pad, co-developed by us and Zhejiang University, is a hydro-gel dressing combined with natural ingredients such as pennyroyal and lavender flower oil. It's gentle and cool to the skin.Cooling Pad reduces body temperature by physical methods: evaporation of moisture contained in the hydro-gel dressing consumes heat, thus cools down that part of your body. Therefore, this product is guaranteed of extreme safety, free from any side-effects whatsoever.Applying Cooling Pad can cool down that part of your body and reduce the pain. It can prevent heat stroke, dispel fatigue, and ease the symptoms of high fever such as headache and dizziness.