Sun-screening composition and preparation method and application thereof

A technology for a composition and a sunscreen agent, applied in the field of sunscreen compositions and their preparation, can solve the problems of unfavorable use of sunscreen products, economical production, increased amount of sunscreen paste, heavy processes, etc., so as to improve the flexibility of formulation combination and reduce grease the effect of increasing the sun protection factor

Inactive Publication Date: 2017-01-18
广州玮弘祺生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Inorganic sunscreens are generally solid products containing titanium dioxide or zinc oxide. In actual production, in order to disperse the solid inorganic sunscreen evenly, it is necessary to grind the solid inorganic sunscreen to a powder state. However, grinding the solid inorganic sunscreen is not only a cumbersome process , and the powder will cause a lot of dust in the workshop, and it will be difficult to feed the inorganic sunscreen agent due to the large dust when feeding it; in addition, some of the inorganic sunscreen agents are powder slurry products, and the powder slurry inorganic sunscreen agent It is obtained by using an organic solvent to disperse the solid inorganic sunscreen agent. However, although the powder-slurry inorganic sunscreen agent overcomes the problems of dust and difficulty in feeding, because the organic solvent occupies a large proportion of the powder-slurry inorganic sunscreen agent, it makes the The effective sunscreen ingredients in powdery sunscreens have decreased, leading to a significant increase in the amount of sunscreen lotion required under the same sun protection factor (SPF), which is not conducive to the use and economical production of sunscreen products
For organic sunscreens, due to the poor solubility of organic sunscreens, a large amount of oil needs to be added to dissolve organic sunscreens during production. However, the added oil increases the oil phase components in organic sunscreens, which affects the effective oil in sunscreens. Interference with formulation and skin feel design, affecting the performance of sun care products
[0004] At present, there is no relevant literature report on solving the above problems. Therefore, it is urgent to develop a new sunscreen composition and preparation process to improve the sun protection index and production efficiency of the sunscreen composition.

Method used

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  • Sun-screening composition and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The sunscreen composition of the present embodiment is made up of the raw material of following weight:

[0041] 30g of nano-titanium dioxide, 67g of isoamyl p-methoxycinnamate, and 3g of polyhydroxystearic acid, wherein the diameter of nano-titanium dioxide is 10nm-100nm.

[0042] The preparation method of above-mentioned sunscreen composition is as follows:

[0043] Weigh 30g of nano-titanium dioxide, 67g of p-methoxyisoamyl cinnamate, and 3g of polyhydroxystearic acid, and put the weighed nanometers of p-methoxyisoamyl cinnamate and polyhydroxystearic acid into the reactor Stir evenly to obtain the first mixture; then evacuate the reactor to -0.1Mpa, and at the same time, pump the above-mentioned weighed nano-titanium dioxide into the reactor from the bottom of the reactor while vacuuming, keep the reactor in a vacuum state, and then stir Until the titanium dioxide is completely wet; then, continue to stir homogeneously in the high-pressure mode of the reactor; afte...

Embodiment 2

[0045] The sunscreen composition of the present embodiment is made up of the raw material of following weight:

[0046] 40g of nano-titanium dioxide, 52g of hexyl methoxycinnamate, and 8g of polyglyceryl polysiloxane, wherein the diameter of nano-titanium dioxide is 20nm-80nm.

[0047] The preparation method of above-mentioned sunscreen composition is as follows:

[0048] Weigh 40g of nano-titanium dioxide, 52g of hexyl methoxycinnamate, and 8g of polyglyceryl polysiloxane, put the weighed hexyl methoxycinnamate and polyglyceryl polysiloxane into the reactor and stir Evenly, the first mixture is obtained; then the reactor is evacuated to -0.2Mpa, and at the same time, the above-mentioned weighed nano-titanium dioxide is drawn into the reactor from the bottom of the reactor while vacuumizing, and the reactor is kept in a vacuum state, and then stirred until Titanium dioxide is in a completely wet state; then, continue to stir homogeneously in the high-pressure mode of the reac...

Embodiment 3

[0050] The sunscreen composition of the present embodiment is made up of the raw material of following weight:

[0051] 55g of nano-titanium dioxide, 20g of ethylhexyl salicylate, and 15g of decyl glucoside, wherein the diameter of nano-titanium dioxide is 50nm-100nm.

[0052] The preparation method of above-mentioned sunscreen composition is as follows:

[0053]Weigh 55g of nano-titanium dioxide, 20g of ethylhexyl salicylate, and 15g of decyl glucoside, put the weighed ethylhexyl salicylate and decyl glucoside into the reactor and stir evenly to obtain the first mixture; Then the reactor is evacuated to -0.2Mpa, while the above-mentioned weighed nano-titanium dioxide is drawn into the reactor from the bottom of the reactor while vacuumizing, and the vacuum state of the reactor is kept, and then stirred until the titanium dioxide is completely wetted; Continue to stir homogeneously in the high-pressure mode of the reactor; after the stirring is completed, take a sample to det...

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Abstract

The invention relates to the technical field of cosmetics, in particular to a sun-screening composition and a preparation method and application thereof. The sun-screening composition is prepared from solid inorganic sunscreen 20%-85%, organic sunscreen 10%-80% and a dispersant 1%-40%. The preparation method includes the steps of mixing, vacuum mixing, homogenizing and detection, and the prepared sun-screening composition can serve as the effective ingredient of a sun-screening product. The sun-screening composition has the advantages of being easy to disperse, high in stability, high in sun protection factor and flexible in formula combination. The preparation method of the sun-screening composition has the advantages of simple process and high production effect.

Description

technical field [0001] The invention relates to the technical field of cosmetics, in particular to a sunscreen composition and its preparation method and application. Background technique [0002] With the intensification of air pollution, the development and research of sunscreen will become the focus of researchers and consumers both now and in the future. Among them, sunscreen products are convenient and quick to use, and are not restricted by occluders, which are people's first choice for sunscreen. [0003] Today, there are two main types of sunscreens used in the preparation of sunscreens on the market: inorganic sunscreens and organic sunscreens. Inorganic sunscreens are generally solid products containing titanium dioxide or zinc oxide. In actual production, in order to disperse the solid inorganic sunscreen evenly, it is necessary to grind the solid inorganic sunscreen to a powder state. However, grinding the solid inorganic sunscreen is not only a cumbersome proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/29A61Q17/04A61K8/891A61K8/49A61K8/41A61K8/40A61K8/37
CPCA61K8/29A61K8/37A61K8/40A61K8/415A61K8/496A61K8/4966A61K8/891A61K2800/413A61K2800/5922A61Q17/04
Inventor 邓宇航符劲
Owner 广州玮弘祺生物科技有限公司
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