Title:
HAIR HOLDING TOOL AND HAIR TREATMENT METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/183677
Kind Code:
A1
Abstract:
This hair holding tool (1) has a tubular body (2) and is configured so as to allow a hair bundle (H) to be inserted from an opening section (21) at one end toward an opening section (22) at the other end and so as to be capable of being wound up. The tubular body (2) has a length direction and a width direction that is orthogonal to the length direction. The tubular body (2) has two sheets forming the outer surface thereof. At least on one among the two sheets is a color-changing sheet satisfying the conditions (1) and (2). Condition (1): the L* value is 90 or lower in the L*a*b* color coordinate space. Condition (2): the color difference ΔE*
ab value before and after impregnation of a standard hair treatment agent is 1.0 or greater in the L*a*b* color coordinate space. The standard hair treatment agent contains 6% by mass of ammonium thioglycolate, 2% by mass of ammonium hydrogencarbonate, 0.5% by mass of disodium edetate, and water for the remainder, and has been adjusted to pH 8.4 at 20°C with 28% by mass of an aqueous ammonia solution.
Inventors:
KIBE YOSHIYUKI (JP)
TOJO TAKEHIKO (JP)
TOJO TAKEHIKO (JP)
Application Number:
PCT/JP2019/010395
Publication Date:
September 17, 2020
Filing Date:
March 13, 2019
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
A45D2/18; A45D7/04
Domestic Patent References:
| WO2007032235A1 | 2007-03-22 |
Foreign References:
| JPS61148203U | 1986-09-12 | |||
| JPS61198601U | 1986-12-11 | |||
| US3255765A | 1966-06-14 | |||
| JP2005185532A | 2005-07-14 | |||
| JP2016116866A | 2016-06-30 | |||
| JP2011147730A | 2011-08-04 | |||
| JP2007167192A | 2007-07-05 | |||
| JP2007130199A | 2007-05-31 | |||
| JP2005319158A | 2005-11-17 |
Other References:
See also references of EP 3939469A4
Attorney, Agent or Firm:
SHOWA INTERNATIONAL PATENT FIRM (JP)
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