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skin treatment composition

A composition and skin technology, applied in the directions of skin care preparations, cosmetics, cosmetic preparations, etc., can solve the problems of expensive essential oils and the like

Inactive Publication Date: 2015-09-23
UNILEVER NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, essential oils are relatively expensive ingredients
Additionally, essential oils are well known for their scent; using large amounts of essential oils can result in off-flavors that are not always appreciated by consumers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] Example 1: Antimicrobial efficacy test against Escherichia coli (in vitro)

[0081] The test compositions and bacterial killing results are given in the table below:

[0082] Blank (weight%) Comparative Example A (weight %) Comparative Example B (weight %) Comparative Example C (% by weight) Embodiment 1 (weight %) Embodiment 2 (weight %) Escherichia coli (initial, cfu / ml) 320×10 6 320×10 6 320×10 6 320×10 6 320×10 6 320×10 6 polymeric compound 1) 0.025 0.025 0.025 Terpineol 0.125 0.25 0.125 0.25 saline solution 2) margin margin margin margin margin margin kill (cfu / ml residual) 320×10 6 300×10 6 280×10 6 4×10 6 1×10 6 0 Kill (log removal rate) 0.0 0.0 0.1 1.9 2.2 8.5

[0083] 1) The polymer compound contains PAA (polyacrylic acid; Mw 100,000D from Sigma-Aldrich) and PEO (polyethylene oxide; Mw 100,000D from Sigma-Aldrich).

...

Embodiment 2

[0086] Example 2: Antimicrobial efficacy test against Staphylococcus epidermidis (in vitro)

[0087] The test compositions and bacterial killing results are given in the table below:

[0088] Blank (weight%) Comparative Example A (weight %) Comparative Example B (weight %) Comparative Example C (% by weight) Embodiment 1 (weight %) Embodiment 2 (weight %) Staphylococcus epidermidis (initial, cfu / ml) 11.5×10 6 11.5×10 6 11.5×10 6 11.5×10 6 11.5×10 6 11.5×10 6 polymeric compound 1) 0.025 0.025 0.025 Terpineol 0.125 0.25 0.125 0.25 saline solution 2) margin margin margin margin margin margin kill (cfu / ml residual) 11.5×10 6 10.5×10 6 9.75×10 6 7.75×10 6 0.81×10 6 0 Kill (log removal rate) 0.0 0.1 0.1 0.2 1.2 7.1

[0089] 1) The polymer compound contains PAA (polyacrylic acid; Mw 100,000D from Sigma-Aldrich) and PEO (polyethylene oxide; M...

Embodiment 3

[0092] Example 3: Antimicrobial efficacy test against Escherichia coli (in vitro)

[0093] The test compositions and bacterial killing results are given in the table below:

[0094] Blank (weight%) Comparative Example D (weight %) Comparative Example E (weight %) Embodiment 3 (weight %) Escherichia coli (initial, cfu / ml) 32×10 6 32×10 6 32×10 6 32×10 6 polymeric compound 1) 0.025 0.025 Eugenol 0.1 0.1 saline solution 2) margin margin margin margin kill (cfu / ml residual) 32×10 6 27×10 6 20×10 6 110 Kill (log removal rate) 0.0 0.1 0.2 5.5

[0095] 1) The polymer compound contains PVA (polyvinyl alcohol, 89% degree of hydrolysis and 125,000D, from SD fine Chem) and PEO (polyethylene oxide ; Mw 100,000D from Sigma-Aldrich).

[0096] 2) Saline solution containing 0.1% NaCl and citric acid to pH 3.6.

[0097] The table above shows that the composition of the invention ...

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PUM

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Abstract

The invention is in the field of skin hygiene, especially hand hygiene and / or hand soap compositions. It remains to be desired to prepare skin hygiene compositions having a high anti-microbial effect, with a low dosage of anti-microbial essential oils. It is therefore an object of the invention to provide a skin hygiene composition, having good anti-microbial properties, at low levels of essential oil. Surprisingly it has been found that composition comprising a low amount of essential oil and a polymer complex or mixture provides improved hygiene efficacy.

Description

field of invention [0001] The present invention is in the field of skin hygiene, especially in the field of hand hygiene and / or hand soap compositions. Background of the invention [0002] Skin hygiene is a high priority for today's consumer. Consumers throughout the world use various types of skin hygiene compositions. [0003] The skin usually contains concentrations in excess of each square centimeter (cm 2 ) of several different microorganisms in millions or even billions of colony forming units (cfu). [0004] Many of these microorganisms are harmless, but various pathogenic types or subspecies exist, such as Escherichia coli, also known as Escherichia coli, and Staphylococcus aureus, also known as S. aureus. Several other bacteria can be found in the skin flora, such as Staphylococcus epidermidis, also known as S. epidermidis, which is generally non-pathogenic but is thought to cause unpleasant body odor. [0005] As a result, today's consumers prefer skin care and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K8/81A61K8/86A61K8/92A61Q17/00
CPCA61Q17/005A61K8/8129A61K8/922A61K8/8147A61Q19/10A61K8/86A61K2800/594
Inventor S.K.巴尼K.K.纳亚克A.佩林谢里M.T.萨吉
Owner UNILEVER NV
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