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A topical composition

A topical composition, the technology of the composition, applied in the field of topical compositions for skin lightening, can solve problems such as difficulty

Inactive Publication Date: 2021-04-13
UNILEVER IP HLDG BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, avoiding exposure to factors such as sunlight is difficult and sometimes impossible in many cases

Method used

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  • A topical composition
  • A topical composition

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Experimental program
Comparison scheme
Effect test

Embodiment

[0119] Material:

[0120] - Green tea (Synthite catalog number SGT1006),

[0121] -Black tea prepared using the traditional black tea process using the leaves of the tea tree,

[0122] - Glacial acetic acid (Merck-45754),

[0123] - polystyrene divinylbenzene resin (Diaion HP20 Supelco 13607),

[0124] - Tanninase (Kikkoman KT50)

[0125] - primary (primary) neonatal epidermal human melanocytes (Lonza catalog number CC-2504),

[0126] Media (Cascade Biologics catalog number MEPI500CA),

[0127] - Dulbecco's Modified Eagle Medium (DMEM; Gibco catalog number 31600034),

[0128] - MBM-4 Melanocyte Growth Basal Medium (Lonza Cat# CC-3250); and

[0129] - Alpha-Melanocyte Stimulating Hormone (α-MSH; R&D System-3013).

[0130] Preparation of DGTE

[0131] Step a): The tea material is subjected to enzymatic hydrolysis.

[0132] Prepare a 10% black tea solution in deionized water. The solution is heated to 70°C, if necessary, to dissolve the black tea in the water. 10...

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Abstract

The present invention relates to a topical composition. Particularly, the present invention relates to a topical composition that comprises degallated tea extract that comprises less than 0.2% gallic acid on dry weight basis and provides improved skin lightening.

Description

technical field [0001] The present invention relates to topical compositions. In particular, the present invention relates to topical compositions that provide improved skin lightening. Background technique [0002] People often try to maintain themselves with a desire to enjoy a healthy lifestyle. One of the ways people do this is by caring for their body surfaces, such as the skin, scalp, including hair, and mouth. Some of the benefits that are often desired include healthy and infection-free skin, an even complexion, adequate hydration, anti-aging, skin lightening, and protection from the UV rays contained in the sun. [0003] The skin is the outermost layer of the human body and is constantly exposed to various influences such as pollutants, dust, dirt, heat, humidity and ultraviolet radiation contained in the sun. Although the skin protects the body from these factors, at the same time the skin is also susceptible to possible side effects caused by one or more of sai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61Q19/02A61K8/9789A61K8/49
CPCA61K8/4953A61K8/9789A61K2800/30A61Q19/02A61K8/368A61K2800/5422A61Q17/04
Inventor A·达姆勒A·达莫达兰A·库马里D·R·姆哈萨瓦德U·桑特哈纳姆
Owner UNILEVER IP HLDG BV