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Title:
SKIN MOISTURE AMOUNT MEASUREMENT METHOD, MOISTURIZING EFFECT EVALUATION METHOD, SKIN MOISTURE AMOUNT MEASUREMENT DEVICE, MOISTURIZING EFFECT EVALUATION DEVICE, AND MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/208349
Kind Code:
A1
Abstract:
The objective of the invention is to precisely evaluate the amount of moisture in the skin or the moisturizing effect of cosmetics. According to one embodiment of the present invention, the skin moisture amount measurement method includes: detecting voltage changes in a plurality of detection electrodes 131 to 139, each having an electret resin 14 and an electric conductive body, while causing a detection unit 10a, comprising the plurality of detection electrodes 131 to 139 arranged in an array form, to approach or pull back from skin 16 without establishing contact therewith (steps S61 to 69); and discerning the amount of moisture in the skin 16 on the basis of the voltage changes (step S70).

Inventors:
KAWASOE Tomoyuki (5-5, Ginza 7-chome, Chuo-k, Tokyo 61, 〒1040061, JP)
KIMOTO Akira (1 Honjo-machi, Saga-sh, Saga 02, 〒8408502, JP)
FURUKAWA Daichi (1 Honjo-machi, Saga-sh, Saga 02, 〒8408502, JP)
Application Number:
JP2019/016424
Publication Date:
October 31, 2019
Filing Date:
April 17, 2019
Export Citation:
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Assignee:
SHISEIDO COMPANY, LTD. (5-5 Ginza 7-chome, Chuo-ku Tokyo, 61, 〒1040061, JP)
SAGA UNIVERSITY (1 Honjo-machi, Saga-shi Saga, 02, 〒8408502, JP)
International Classes:
A61B5/00
Foreign References:
JP2004049406A2004-02-19
US4509527A1985-04-09
US20080045816A12008-02-21
Attorney, Agent or Firm:
OKABE Yuzuru et al. (Shin-Aoyama Bldg. East 8F, 1-1-1 Minamiaoyama Minato-ku Tokyo, 62, 〒1070062, JP)
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