通过凝胶内水分的汽化带走人体局部大量热量，起到降温的作用，无皮肤刺激。
Main Structure and Performance of Product:
The cooling gel sheet is basically composed of the gel layer,hydrogel ,plastic film ,hydrogel adopts of medical macromolecule
gel.A large amount of local heat of human bodies is brought away through vaporization of water in the gel with the gel as a carrier to play a cooling role,no allergy to the skin.
退热贴由基带、凝胶、保护膜组成，凝胶采用高分子亲水凝胶。
