Title:
PATCH SHEET FOR SKIN, METHOD FOR USING SAME, ULTRAVIOLET SENSING METHOD, AND METHOD FOR EVALUATING ULTRAVIOLET PROTECTION PERFORMANCE
Document Type and Number:
WIPO Patent Application WO/2022/075161
Kind Code:
A1
Abstract:
This patch sheet (10) for skin is provided with a patch part (1) that is used by being affixed to skin. The patch part (1) includes a color change layer (3) that changes color in response to exposure to ultraviolet rays. The color difference ∆E*ab according to the L*a*b* color system in the patch part (1) from before exposure to 10 seconds after exposure thereof in a standard exposure test in a wet state is 5 to 300. A method for using the patch sheet (10) for skin includes a step for affixing the patch part (1) to the skin, and a step for applying a liquid to the skin.
Inventors:
SHIIBA RYOTA (JP)
SUDO MIYUKI (JP)
TOJO TAKEHIKO (JP)
FUKUI TAKASHI (JP)
SUDO MIYUKI (JP)
TOJO TAKEHIKO (JP)
FUKUI TAKASHI (JP)
Application Number:
PCT/JP2021/036008
Publication Date:
April 14, 2022
Filing Date:
September 29, 2021
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
G01J1/02; G01J1/50; A61K8/02; D04H1/728
Foreign References:
| JP2019508679A | 2019-03-28 | |||
| JP2019510235A | 2019-04-11 | |||
| JPH10300576A | 1998-11-13 | |||
| US6130435A | 2000-10-10 | |||
| US5986273A | 1999-11-16 | |||
| JP2009014689A | 2009-01-22 | |||
| US20070113358A1 | 2007-05-24 | |||
| JP2013072151A | 2013-04-22 | |||
| JP2018127575A | 2018-08-16 | |||
| JP2010516375W | ||||
| JPH04202811A | 1992-07-23 | |||
| JPH0953981A | 1997-02-25 | |||
| JP2020090097A | 2020-06-11 |
Attorney, Agent or Firm:
SHOWA INTERNATIONAL PATENT FIRM (JP)
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