Cosmed Pharmaceutical Co. | Date: 2013-02-14
According to the present invention, a microneedle material capable of dissolving in a short-time and being absorbed quickly in order to shorten the application time of the microneedle is provided. A mixture of a water-soluble polymer and one or more saccharides selected from monosaccharides and disaccharides is used as the microneedle material. A systhetic polymer, protein, polysaccharide or a mixture thereof can be preferably used as the water-soluble polymer. Glucose, fructose, sucrose, lactose, trehalose, or a mixture thereof can be preferably used as the saccharides.
Cosmed Pharmaceutical Co. | Date: 2014-02-10
The present invention provides a drug-holding microneedle array in which a drug is applied and held only on a tip portion of microneedles for quantitatively holding the drug and for preventing the drug from falling away during insertion of the microneedles. The drug-holding microneedle array comprises: a microneedle array having a microneedle substrate
Cosmed Pharmaceutical Co. | Date: 2013-06-25
Provided is a microneedle patch which is easily to be applied on a skin surface. One or more holes are provided inside a protective sheet of the microneedle patch, and one or more cutting lines running from an outer edge of the protective sheet toward the holes are also provided. The cutting lines may be symmetrically arranged on both sides of the hole. Providing an incision on the outer edge of the cutting lines of the protective release sheet facilitates cutting along the cutting lines. In the use of the microneedle patch, both sides of the cutting line of the protective release sheet are held and torn so as to bring out a microneedle array adhesive sheet and apply it on a skin. Then the microneedle array surface is slightly compressed, thereby the microneedle is inserted into the stratum corneum.
Cosmed Pharmaceutical Co., Osaka University and Nara Medical University | Date: 2013-11-01
An object to be achieved by the present invention is to provide a microneedle array which is able to supply effectively retinoic acid to the skin and effective in treating pimples, stains or wrinkles. The retinoic acid microneedle array comprises: a microneedle array having a microneedle substrate
Cosmed Pharmaceutical Co. | Date: 2013-08-02
Provided is hyaluronic acid gel suitable for cosmetic and medical field. The hyaluronic acid gel contains hyaluronic acid, polycarboxylic acid or oxycarbonic acid, and polyhydric alcohol. The hyaluronic acid gel is produced by drying moisture of an aqueous solution in which the hyaluronic acid, the polycarboxylic acid, and the polyhydric alcohol are uniformly dissolved to be an intended form.