Patents Assigned to SHANGHAI ZHENCHUN COSMETICS CO., LTD.
  • Publication number: 20220192932
    Abstract: A method for producing a solid powder includes the following steps: (1) mixing the powders to obtain a material A, in which the powders include a flaky filler, a spherical filler, and a pigment; and mixing a natural polysaccharide with water, then adding an emollient moisturizer and an emulsifier to obtain a material B; (2) mixing the material A and the material B, and then adding a preservative to obtain a dispersion; (3) filling the dispersion into a mold; (4) freezing the dispersion to a preset low temperature, and then demolding to obtain a semi-finished product; and (5) drying the semi-finished product to obtain a finished product in a lyophilizer.
    Type: Application
    Filed: April 17, 2020
    Publication date: June 23, 2022
    Applicant: SHANGHAI ZHENCHUN COSMETICS CO., LTD.
    Inventors: Sili ZENG, Xiaohua CUI, Lijuan CHENG