STABILIZATION COMPOSITION INCLUDING HYDROQUINONE OR DERIVATIVE THEREOF

Title:

STABILIZATION COMPOSITION INCLUDING HYDROQUINONE OR DERIVATIVE THEREOF

Document Type and Number:

WIPO Patent Application WO/2022/092639

Kind Code:

A1

Abstract:

The present disclosure relates to a composition including hydroquinone or a derivative thereof as an active ingredient for skin whitening and additionally a metal oxide (preferably zinc oxide (ZnO), calamine, titanium dioxide (TIO2), or a mixture thereof) as an ingredient for alleviating skin irritation, wherein the stability of the hydroquinone or the derivative thereof is secured. To secure such stability, the composition of the present disclosure includes (i) sodium metabisulfite, sodium bisulfite, or a mixture thereof, and (ii) bi-carboxylic acid, tri-carboxylic acid, or a mixture thereof.

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Inventors:

YOOK NA-EUN (KR)
KIM MI-NA (KR)
HWANG HYUN-MIN (KR)
JUN SEUNG-HYUN (KR)
ROH SEO-HUN (KR)

Application Number:

PCT/KR2021/014281

Publication Date:

May 05, 2022

Filing Date:

October 14, 2021

Export Citation:

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Assignee:

LG HOUSEHOLD & HEALTH CARE LTD (KR)
TAI GUK PHARM IND CO LTD (KR)

International Classes:

A61K8/23; A61K8/35; A61K8/365; A61Q19/02

Foreign References:

JP2004099542A	2004-04-02
JP2000204019A	2000-07-25
JPH09263513A	1997-10-07
KR20160014271A	2016-02-11
EP2047846A2	2009-04-15

Attorney, Agent or Firm:

PHIL & ONZI INT'L PATENT & LAW FIRM (KR)

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