Title:
RESIN MOLDED BODY FOR SKIN, METHOD FOR PRODUCING SAME, SKIN CONTACT-TYPE COSMETIC TOOL, AND SKIN APPLICATION-TYPE COSMETIC TOOL
Document Type and Number:
WIPO Patent Application WO/2023/199736
Kind Code:
A1
Abstract:
Provided are: a resin molded body for skin which can be readily used in such a manner that a skin effective ingredient is naturally applied and penetrates into skin just by massage and which can be repeatedly used many times only by wiping the resin molded body with fabric and the like after use; a method for producing the resin molded body; a skin contact-type cosmetic tool using the resin molded body for skin; and a skin application-type cosmetic tool using the resin molded body for skin. A resin molded body 1 for skin comprises a thermoplastic resin insoluble in water, a water-soluble resin, and a skin effective ingredient providing beauty effect or medicinal effect on human skin. The resin molded body is characterized in that the skin effective ingredient and the water-soluble resin are mixed and are present in the thermoplastic resin in a solid state, and when the resin molded body comes into contact with water, the skin effective ingredient oozes into water together with the water-soluble resin. The skin contact-type cosmetic tool has the resin molded body for skin and a holding part holding the resin molded body for skin, wherein the resin molded body for skin is provided at least in a region brought into contact with human skin.
Inventors:
NAKAZAWA YOHEI (JP)
Application Number:
PCT/JP2023/012180
Publication Date:
October 19, 2023
Filing Date:
March 27, 2023
Export Citation:
Assignee:
DAIICHI SEIKOSHA CO LTD (JP)
International Classes:
A45D44/00; A61K8/02; A61H15/00; A61H23/02; A61K8/365; A61K8/73; A61K8/81; A61K8/86; A61Q19/00
Foreign References:
| JP2019097646A | 2019-06-24 | |||
| JP2019167308A | 2019-10-03 | |||
| JP2003205008A | 2003-07-22 | |||
| JP2003231570A | 2003-08-19 |
Attorney, Agent or Firm:
SAHARA Ryuichi (JP)
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