| 摘要 |
<p>The present invention relates to a moisturizing patch which consists of silica and a zwitterion high polymer thin film coated on the surface of the silica and contains complex nanoparticles, polysaccharides, and natural high polymer substances. The moisturizing patch of the present invention not only retains moisture for 120 hours with just one use on a user′s skin but also helps improve skin health by giving moisture and improving elasticity when continually used for a long time.</p> |
