Can absorb hundreds of times to thousands of its own weight of water, nontoxic, harmless and pollution-free; exceptionally strong water absorbing capacity, water retention ability of high moisture absorption cannot be squeezed out by simple physical methods, and can be repeatedly releasing water, water absorption. Is a dissolved in water, oil, after the cross-linking reaction produces a strong adhesive effect and form a Hydrogel polymer, so is ideal for topical patches of matrix material. In Japan, Showa electrical production of part in the and polypropylene acid sodium was widely application Yu Bubba agent ( by skin to drug posted, and beauty health posted, and quit posted, and weight loss posted, and contraceptive posted and so on), and mask, and cosmetics in the, compared General Ming rubber, and seaweed acid sodium, and completely neutralization of polypropylene acid sodium, traditional matrix raw materials, Showa electrical of NP Products in the effect of adhesion, stability, repeated opening has a very distinct advantage.