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Cosmetic compositions

A cosmetic composition and composition technology, applied in the direction of cosmetics, cosmetic preparations, dressing preparations, etc.

Inactive Publication Date: 2019-12-13
THE PROCTER & GAMBLE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This results in the composition having a sticky texture / feel which is not desired by the consumer

Method used

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  • Cosmetic compositions
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Examples

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Embodiment

[0045] The following examples are given for illustrative purposes only and are not to be construed as limitations of the invention, since many variations thereof are possible. All measurements below are in % by weight of the total composition.

[0046] Table 1 :

[0047]

[0048] Note: Sepigel 305 TM is a mixture of polyacrylamide, C13-14 isoparaffin and laureth-7, manufactured by Seppic TM supply.

[0049] An in vitro skin penetration study was performed to characterize the effect of combining glycerides with fatty alcohols on the in vitro skin penetration of radiolabeled PKEK in several cosmetic compositions. Table 1 provides a general description of the cosmetic compositions tested.

[0050] Table 2 :

[0051]

[0052] Note 1: Each figure is the average of 6 data points Note 2: Skin penetration = PKEK in epidermis + PKEK in dermis

[0053] Note 3: Total penetration = PKEK in skin (= epidermis + dermis) + PKEK in receptors

[0054] Note 4: Each of the exampl...

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Abstract

A cosmetic composition is provided, the composition comprising a safe and effective amount of a skin care active with AlogP less than -2.0, a safe and effective amount of a fatty alcohol; and a safe and effective amount of a glyceryl ester. The combination of fatty alcohol and glyceryl esters surprisingly enhances penetration of skin care actives with low AlogP values into skin.

Description

technical field [0001] The present disclosure generally relates to cosmetic compositions and methods of increasing the penetration of skin care actives with low AlogP without increasing irritation or detrimentally affecting the feel of the product. Background technique [0002] A number of water-soluble skin care actives are known to provide a variety of skin care benefits. Historically, actives that are very water soluble (identified as having an AlogP of less than -2.0) do not penetrate well into human skin because of the more hydrophobic nature of human skin. The step of generally taking a base structure to enhance the penetration of such water-soluble skin care actives can have other negative effects on the overall composition. [0003] For example, PKEK (pro-lys-gly-lys) has been identified as an active that can be used to provide skin lightening benefits. PKEK has an AlogP of -6.9. When used in typical skin care compositions - oil-in-water base structures with polym...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/34A61K8/37A61K8/64A61K8/67A61Q19/00A61Q19/02A61K8/86
CPCA61Q19/02A61K8/86A61K8/342A61K8/375A61K8/64A61Q19/00A61K8/675A61Q19/08A61K8/60
Inventor K·V·古吉拉提S·古普塔Y·严吉见直久
Owner THE PROCTER & GAMBLE COMPANY
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