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Plant sunscreen cream and preparation method thereof

A sunscreen and plant technology, applied in pharmaceutical formulations, cosmetic preparations, cosmetic preparations and other directions, can solve the problems of preservatives' physical harm, easy demulsification and stratification, rancidity and deterioration during placement, and achieves a simple and feasible preparation method. , Fine and uniform coating, no skin irritation and allergic effect

Pending Publication Date: 2021-09-03
唐娟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional Chinese medicine sunscreens currently on the market still have the following problems and cannot be widely promoted and applied in the market: 1. Due to the complexity of traditional Chinese medicine ingredients, the placement process is easy to cause rancidity. The current solution is to add preservatives, but the addition of preservatives will introduce Risk of harm to the body; 2. It is easy to break and delaminate during the placement process, resulting in unqualified products; 3. The paste is dry and cannot be evenly applied to the sun protection parts of the body during use

Method used

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  • Plant sunscreen cream and preparation method thereof
  • Plant sunscreen cream and preparation method thereof
  • Plant sunscreen cream and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A plant sunscreen is prepared according to the following steps:

[0028] formula:

[0029]

[0030] Preparation:

[0031] (1). Extraction: Take the Angelica Sinensis and Radix Paeoniae Alba in the prescribed amount, crush them through a 20-mesh sieve respectively, then place them in a heat reflux extraction concentrator, add an ethanol solution with a volume fraction of 80%, and reflux extraction for 2.5 hours. After the extraction is completed, , filtered, and the filtrate was collected for subsequent use; the mass ratio of the total mass of Angelica Sinensis and Radix Paeoniae Alba to the ethanol with a volume fraction of 80% is 1:25;

[0032] (2). Decolorization: get the filtrate collected in the step (1), add chitosan so that the mass fraction of chitosan in the filtrate is 2%, stir and mix, place for 7 hours, filter, collect the filtrate, and set aside;

[0033] (3) Purification: take the filtrate collected in step (2), add purified water until the ethanol volum...

Embodiment 2

[0058] A plant sunscreen is prepared according to the following steps:

[0059] formula:

[0060]

[0061] Preparation:

[0062] (1). Extraction: Take the angelica and white peony in the formula, crush them through a 20-mesh sieve respectively, then place them in a heat reflux extraction concentrator, add an ethanol solution with a volume fraction of 70%, and reflux extraction for 2 hours. After the extraction is completed, , filtered, and the filtrate was collected for subsequent use; the mass ratio of the total mass of Angelica Sinensis and Radix Paeoniae Alba to ethanol with a volume fraction of 70% was 1:20;

[0063] (2). Decolorization: get the filtrate collected in step (1), add chitosan so that the mass fraction of chitosan in the filtrate is 1%, stir and mix, place for 8 hours, filter, collect the filtrate, and set aside;

[0064] (3) Purification: take the filtrate collected in step (2), add purified water until the ethanol volume fraction of the filtrate is 10%,...

Embodiment 3

[0071] A plant sunscreen is prepared according to the following steps:

[0072] formula:

[0073]

[0074]

[0075] Preparation:

[0076] (1). Extraction: Take the angelica and white peony in the formula, crush them through a 20-mesh sieve respectively, then place them in a heat reflux extraction concentrator, add an ethanol solution with a volume fraction of 90%, and reflux extraction for 3 hours. After the extraction is completed, , filtered, and the filtrate was collected for subsequent use; the mass ratio of the total mass of Angelica Sinensis and Radix Paeoniae Alba to ethanol with a volume fraction of 90% was 1:30;

[0077] (2). Decolorization: get the filtrate collected in step (1), add chitosan so that the mass fraction of chitosan in the filtrate is 2%, stir and mix, place for 6 hours, filter, collect the filtrate, and set aside;

[0078] (3) Purification: take the filtrate collected in step (2), add purified water until the ethanol volume fraction of the filt...

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Abstract

The invention provides plant sunscreen cream. The plant sunscreen cream is characterized by being prepared from the following raw materials in parts by weight: 8-12 parts of angelica sinensis, 3-6 parts of radix paeoniae alba, 30-40 parts of an oil phase matrix, 60-80 parts of a water phase matrix, 3-6 parts of polyvinyl alcohol and 6-8 parts of triethanolamine. The plant sunscreen cream provided by the invention is qualified in microbial limit inspection within the shelf life under the condition of not adding any preservative, the product does not have a rancidity phenomenon, the condition of a demulsification powder layer does not occur, the cream is moist, has no dry and shriveled phenomenon, is fine and uniform in coating, has no skin irritation and allergy, and is suitable for being used by popular people, the shelf life is as long as 18 months, and the preparation method is simple and feasible, and is suitable for industrial production.

Description

technical field [0001] The invention relates to the field of cosmetics, in particular to a plant sunscreen and a preparation method thereof. Background technique [0002] Sunlight is the basic element for the survival of living things on the earth's surface. However, in addition to visible light, sunlight radiated to the earth's surface also includes infrared rays and ultraviolet rays. Among them, ultraviolet radiation can cause a series of biological damage to the skin, directly affecting people's appearance, and even threatening human skin. health, especially the improvement of people's living standards in recent years, the rise of people's travel and leisure activities, the increase of outdoor activities, and the prolonged exposure of skin to ultraviolet rays; The ultraviolet rays of the skin are getting stronger and stronger, so paying attention to skin health and protecting the skin from ultraviolet rays are getting more and more attention in modern life. [0003] Suns...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/9789A61K8/86A61K8/81A61K8/41A61K8/37A61K8/34A61Q17/04
CPCA61K8/9789A61K8/86A61K8/8129A61K8/41A61K8/375A61K8/345A61Q17/04A61K2800/30A61K2800/5922A61K2800/48
Inventor 不公告发明人
Owner 唐娟
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