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Cosmetic formula without preservative and application thereof

A technology of cosmetics and preservatives, which is applied in the field of cosmetic formulations without adding preservatives, which can solve problems such as side effects and human health damage, and achieve the effects of growth inhibition and sterility

Inactive Publication Date: 2017-01-11
广东真丽斯化妆品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the ubiquity of preservatives, improper use or long-term use will cause certain damage to human health, especially preservatives in cosmetics will have certain side effects on allergic or thin cuticle skin

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A cosmetic formulation without adding preservatives, the cosmetic formulation contains the following ingredients: dandelion extract, green tea extract, and ginkgo leaf extract.

[0016] The cosmetic formulation also contains at least two of surfactants, moisturizing agents, thickeners, lower alcohols, organic amines, pH regulators, and water.

[0017] The application of the cosmetic formulation without adding preservatives in cosmetics is to add the mixture of dandelion extract, green tea extract and ginkgo leaf extract to the cosmetics in a proportion of 5.0 wt%.

Embodiment 2

[0018] Embodiment 2: the preparation method of natural plant extract

[0019] The preparation method of the dandelion extract: add water to the dandelion, extract and decoct the dandelion twice, each time for 1 hour, the amount of water added is 4 times the mass of the dandelion, combine the two filtrates, concentrate under reduced pressure, add ethanol to the concentrated solution until it contains The alcohol content is 60%, stand still, filter, concentrate the filtrate under reduced pressure to recover ethanol, pass the concentrated solution through a macroporous resin column to elute with ethanol, concentrate under reduced pressure, and freeze-dry to obtain the product.

[0020] The preparation method of green tea extract: add 70% ethanol to green tea and reflux to extract twice, each time for 1 hour, combine the extracts, recover ethanol, add 8 times the quality of green tea to dissolve, filter, and pass the filtrate through ultrafiltration membrane equipment for purificat...

Embodiment 3

[0022] Embodiment 3: the antibacterial activity research of natural plant extract

[0023] Experimental procedure: Weigh 1.5g of dandelion extract, green tea extract, and ginkgo leaf extract according to the mass ratio of 4:4:5, dissolve them in 3mL water, make a 0.5g / mL solution, add it to the traditional Diffusion was carried out on the bacterial agar plate, and the plate containing the bacteria was incubated at a constant temperature of 37°C for 18 hours to observe whether there was an inhibition zone and observe the diameter of the inhibition zone. Among them, Escherichia coli and Staphylococcus aureus were selected as the strains in the bacteria-containing agar plate respectively.

[0024] Experimental result: on the agar plate containing Escherichia coli and the staphylococcus aureus agar plate all appeared transparent inhibition zone, and the diameter of inhibition zone is basically the same, shows that the natural plant extract of the present invention has antibacteria...

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PUM

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Abstract

The invention provides a cosmetic formula without a preservative. The cosmetic formula contains the following components: dandelion extractive, green tea extractive and ginkgo biloba extractive. According to an application thereof in the cosmetic, the mixture of the dandelion extractive, green tea extractive and ginkgo biloba extractive is added into the cosmetic in a proportion of 0.5-10.0wt%. According to the cosmetic formula without the preservative, provided by the invention, natural plant extractives are added into the cosmetic, so that the growth of microorganisms in the cosmetic can be effectively restrained and the cosmetic in long-term storage is kept stable, aseptic, safe and green.

Description

technical field [0001] The invention relates to the technical field of cosmetics, in particular to a cosmetic formulation without adding preservatives and its application. Background technique [0002] Preservatives are additives that are added to foods, medicines, pigments, biological specimens, etc. to delay spoilage caused by microbial growth or chemical changes. Usually what we call preservatives are synthetic chemical ingredients. [0003] Cosmetics are used to nourish human skin. It is a nutrient-rich product and is also suitable for the growth of various microorganisms. Therefore, preservatives are basically added to cosmetics, mainly including phenoxyethanol and paraben. Wait. Although most of the preservatives added to cosmetics are relatively safe, they must be added in strict accordance with the specified value to ensure that the amount of preservatives added is safe and effective. However, due to the ubiquity of preservatives, improper use or long-term use wil...

Claims

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Application Information

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IPC IPC(8): A61K8/9789A61K8/9771A61Q19/10A61Q19/00
CPCA61K8/97A61K2800/30A61Q19/00A61Q19/10
Inventor 黄楚明黄楚佳黄楚杰
Owner 广东真丽斯化妆品有限公司
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