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Combination of plant extracts to improve skin tone

A technology for extracts and skin care compositions, applied in the field of topical skin care compositions

Active Publication Date: 2010-10-13
MARY KAY INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In some cases, the use of a skin lightening ingredient may not be effective in individuals with significant hyperpigmentation, such as freckles or age spots
Furthermore, previous attempts to combine multiple skin lightening ingredients have proven ineffective and in some cases have yielded negative results (Talwar 1993)

Method used

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  • Combination of plant extracts to improve skin tone
  • Combination of plant extracts to improve skin tone

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0102] test excipient

[0103] Non-limiting examples of compositions of the invention are described in Tables 1 and 2. These compositions can be used as vehicles to test the effectiveness of the active ingredients in treating the skin.

[0104] Table 1 *

[0105] Element

% concentration (by weight)

Phase A

water

Moderate to 100%

xanthan gum

0.1

M-paraben

0.15

P-paraben

0.1

citric acid

0.01

Phase B

cetyl alcohol

4.0

Glyceryl Stearate+PEG 100

4.0

Octyl palmitate

4.0

Polydimethylsiloxane

1.0

tocopheryl acetate

0.2

Phase C

active ingredient **

1.0

[0106] * Sprinkle xanthan gum into the water and mix for 10 min. Then, add all ingredients in Phase A and heat to 70-75°C. Add all ingredients in Phase B to a separate beaker and heat to 70-75°C. Mix Ph...

Embodiment 2

[0114] Non-limiting excipients and product formulation

[0115] Non-limiting product formulations of the present invention are presented in Table 3.

[0116] table 3 *

[0117] Element **

% concentration (by weight)

Lactobacillus Ferment Extract

0.001 to 3%

[0118] Element **

% concentration (by weight)

Billy Goat Plum (Kakadu Plum) Extract

0.001 to 3%

Ferulic Root Extract

0.001 to 3%

Sunflower (Sunflower) Seed Extract

0.001 to 3%

Dermatologically acceptable excipients

Appropriate amount

[0119] * Compositions can be prepared by any method known in the art. For example, simple admixture of the extract with dermatologically acceptable excipients may be used. Non-limiting examples of such excipients are listed in Table 4.

[0120] Non-limiting dermatologically acceptable excipients for the extracts of the invention are presented in Table 4. Th...

Embodiment 3

[0131] Skin Dodge Data

[0132] The effectiveness of Lactobacillus ferment extract, Helianthus annuus (Sunflower) seed extract, Billy goat plum (Kakadu plum) fruit extract and Ferulicum root extract for skin lightening / whitening is summarized in Table 6.

[0133] Table 6

[0134]

B16 color

calm

Tyramine

Acidase

active

melanin

little body

transfer

microphthalmia phase

related transcription factors

Promoter

A black skin

Su Yuanqi

Movers

Tyrosinase phase

Septin-1

Promoter

Ferulic Root Extract *

51％

92％

65％

Lactobacillus Ferment Extract **

19％

65％

50-65％

30-50％

Kakadu Plum Extract ***

68％

30-50％

50-65％

sunflower seed extract ****

25％

30-50％

30-50％

[0135] * Ferula extract was obtained ...

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Abstract

Disclosed is a method of reducing the appearance of uneven skin tone comprising topically applying to skin having an uneven skin tone a composition comprising a combination of the following extracts: Lactobacillus ferment extract; Helianthus annus (sunflower) seed extract; Terminalia ferdinandiana (kakadu plum) fruit extract; and Ferula foetida root extract; and dermatologically acceptable vehicle, wherein topical application of the composition reduces the appearance of uneven skin tone.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application Serial No. 61 / 168,104, filed April 9, 2009, the contents of which are incorporated herein by reference. technical background [0003] A.Technical field [0004] The present invention generally relates to compositions that can be used to improve the visual appearance of skin. In particular, the present invention relates to compounds comprising Lactobacillus fermented extract, Helianthus annus (sunflower) seed extract, Terminalia ferdinandiana (kakadu plum) fruit extract, ferulicum (Ferula foetida) root extract or any combination thereof in a topical skin care composition. In certain aspects, compositions of the present invention may include, for example, combinations of the above extracts to lighten skin, even out skin tone, or treat hyperpigmentation. [0005] B. Background technology [0006] Human skin color is caused by melanin. Melanin is produced...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/99A61K8/97A61P19/00A61P19/02
CPCA61K2800/85A61K8/97A61Q19/02A61K8/99A61K8/9789A61P19/00A61P19/02
Inventor 道恩·伯克-科尔文大卫·甘M·海因斯
Owner MARY KAY INC
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