Method for preparing skin-whitening and spot-fading lotion containing melia azedarach leaf extract

A technology of neem leaves and extracts is applied in the field of preparation of whitening and spot-lighting lotion, which can solve the problems of causing skin inflammation, skin side effects, and few natural ingredients, and achieve the effects of no pollution, easy biodegradation, and abundant resources.

Inactive Publication Date: 2018-10-23
WUHU YANGZHAN NEW MATERIAL TECH SERVICE CO LTD
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Problems solved by technology

[0002] Emulsion is the most basic step in skin care. Effective ingredients such as moisturizing, whitening, and anti-aging in the emulsion can be better absorbed by the skin. It is very important to have a good bottle of emulsion. Many emulsions on the market today contain a lot of chemicals Synthetic, long-term use will have certain side effects on the skin, making it difficult for the nutrients in the emulsion to be absorbed, and even cause adverse reactions such as skin inflammation. If it is not selected properly, it will cause immeasurable losses. , there are big problems in the selection and dosage of chemical substances, there are few natural ingredients, and the skin care effect is not good, which needs further improvement

Method used

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Embodiment Construction

[0027] The technical solutions in the present invention are clearly and completely described below in conjunction with the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0028] A preparation method of a whitening lotion containing neem leaf extract, comprising the following steps:

[0029] Step 1: Pulverize neem leaves and place in supercritical CO 2 In the extraction kettle, extract for 2 hours, the temperature of the extraction kettle is 50°C, the pressure is 40Mpa, the temperature of the first separation kettle is 40°C, the pressure is 5Mpa, the temperature of the second separation kettle is 35°C, the pressure is 4Mpa, CO 2 The flow rate is 32L / h, and the medicinal residues are obtained after extraction. Add ethanol with a mass concentration of 75% to the medicinal residues. The volume-mass ratio ...

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Abstract

The invention belongs to the technical field of skincare lotion preparation and discloses a method for preparing skin-whitening and spot-fading lotion containing melia azedarach leaf extract. The method includes: melia azedarach leaf extract preparation, radix glycyrrhizae extract preparation, maca extract preparation, buckwheat starch extraction, granular cold water dissoluble buckwheat starch preparation and lotion preparation. Plant extracts are used as active components of the skin-whitening and spot-fading lotion; melia azedarach leaf extract is a high-performance natural skin whitening additive and has skin-whitening and spot-fading efficacies; radix glycyrrhizae comprises main active components including glycyrrhizic acid and ketone and has great skin-whitening, spot-fading and anti-aging efficacies; maca has a great moisturizing efficacy due to containing of polysaccharides, hyaluronic acid, glucan, biosaccharide gum and the like and has a great skin whitening efficacy due to containing of various amino acids.

Description

technical field [0001] The invention relates to the technical field of preparation of skin care emulsion, in particular to a preparation method of a whitening emulsion containing neem leaf extract. Background technique [0002] Emulsion is the most basic step in skin care. Effective ingredients such as moisturizing, whitening, and anti-aging in the emulsion can be better absorbed by the skin. It is very important to have a good bottle of emulsion. Many emulsions on the market today contain a lot of chemicals Synthetic, long-term use will have certain side effects on the skin, making it difficult for the nutrients in the emulsion to be absorbed, and even cause adverse reactions such as skin inflammation. If it is not selected properly, it will cause immeasurable losses. , there is a big problem in the selection and dosage of chemical substances, the natural ingredients are less, and the skin care effect is not good, which needs further improvement. Contents of the invention...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/9789A61Q19/02A61Q19/08A61Q19/00
CPCA61K8/9789A61Q19/00A61Q19/02A61Q19/08
Inventor 张春松
Owner WUHU YANGZHAN NEW MATERIAL TECH SERVICE CO LTD
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