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Title:
ULTRAVIOLET LIGHT-ABSORBING COSMETIC MATERIAL, COSMETIC CONTAINING SAME, AND METHOD FOR BLOCKING ULTRAVIOLET LIGHT
Document Type and Number:
WIPO Patent Application WO/2015/147117
Kind Code:
A1
Abstract:
Provided are: an ultraviolet light-absorbing cosmetic material that has effects of blocking ultraviolet light and intensifying visible light, is minimally irritating and exhibits high stability when used in cosmetics; and a cosmetic containing the ultraviolet light-absorbing cosmetic material. A method for blocking ultraviolet light from penetrating human skin, said method comprising applying a cosmetic, which contains an ultraviolet light-absorbing cosmetic material having a light absorption peak at least at 250-300 nm, to the skin. The ultraviolet light-absorbing cosmetic material is characterized by containing an ultraviolet light-absorbing compound comprising a compound with cyclic structure, which is synthesized from a coumarin pigment and arginine and has one or more cyclic structures differing from the coumarin-derived structure, together with a metal ion having an ionic radius of 30-70 pm, and thus having an excitation band at 250-430 nm and a light emission band at 320-600 nm.

Inventors:
TSUJIUCHI YUTAKA (JP)
Application Number:
PCT/JP2015/059270
Publication Date:
October 01, 2015
Filing Date:
March 25, 2015
Export Citation:
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Assignee:
UNIV AKITA (JP)
TSUJIUCHI YUTAKA (JP)
International Classes:
A61K8/49; A61K8/26; A61Q17/04
Foreign References:
JP2012025870A2012-02-09
JP2009019041A2009-01-29
JP2006036704A2006-02-09
JP2005306816A2005-11-04
JP2006160701A2006-06-22
Attorney, Agent or Firm:
Mutsuki Partners (JP)
Patent business corporation むつき partners (JP)
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