CN113827495B - Sun-screening agent and preparation method and application thereof - Google Patents
Sun-screening agent and preparation method and application thereof Download PDFInfo
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- CN113827495B CN113827495B CN202111361293.2A CN202111361293A CN113827495B CN 113827495 B CN113827495 B CN 113827495B CN 202111361293 A CN202111361293 A CN 202111361293A CN 113827495 B CN113827495 B CN 113827495B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/49—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
- A61K8/494—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with more than one nitrogen as the only hetero atom
- A61K8/4966—Triazines or their condensed derivatives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/35—Ketones, e.g. benzophenone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/735—Mucopolysaccharides, e.g. hyaluronic acid; Derivatives thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/89—Polysiloxanes
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/84—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
- A61K8/89—Polysiloxanes
- A61K8/891—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
- A61K8/894—Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/59—Mixtures
- A61K2800/592—Mixtures of compounds complementing their respective functions
- A61K2800/5922—At least two compounds being classified in the same subclass of A61K8/18
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Abstract
The invention provides a sun-screening agent which is formed by combining licochalcone A and bis-ethylhexyloxyphenol methoxyphenyl triazine with the mass ratio of 1:1-2:1. The licochalcone A is used as a sun-screening component of cosmetics, is matched with the existing chemical sun-screening agent in the cosmetics industry, can reduce the use amount of the existing chemical sun-screening agent, namely the bis-ethylhexyl oxyphenol methoxyphenyl triazine, has the beneficial effect of synergistic sun-screening effect, is milder and safer as a plant extract, and has smaller stimulation when being applied to the skin.
Description
Technical Field
The invention belongs to the technical field of cosmetics, and particularly relates to a sun-screening agent, a preparation method and application thereof.
Background
Ultraviolet wavelengths can be divided into three types: UVC (100 nm-280 nm), UVB (280 nm-320 nm) and UVA (320 nm-400 nm), wherein most of UVC is absorbed by ozone layer before reaching the ground, and the damage to human body is small; UVB can cause skin burn, indirect pigmentation and erythema on the skin, has high energy, can not pass through deep skin, and is absorbed on dermis; the photophysiologic influence of UVA is accumulated, can penetrate into dermis, acts on skin for a long time, and can cause irrecoverable injuries such as reduced skin elasticity, increased wrinkles, accelerated aging and the like. The sun-screening product can protect human body from being affected by ultraviolet rays, and effectively reduce the possibility of premature aging of skin, actinic keratosis, skin cancer and the like.
At present, sun protection products are taken as a means for effectively resisting ultraviolet injury, so that wide clients have great demands on sun protection cream, and the sun protection products are very mature and widely applied, wherein the key is sun protection agent. Sunscreens are classified into physical sunscreens, chemical sunscreens and plant sunscreens, and each has merits and merits. The plant extract is used as a sun-screening component of a sun-screening product, has the characteristics of safety, mildness and the like, and can supplement the existing sun-screening agent to prepare a better sun-screening product. At present, with the improvement of the living standard of people and the recognition and acceptance of plant extract components, the development of sun-screening products with plant sun-screening components has urgent needs and broad market prospects.
Disclosure of Invention
In view of the above, the technical problem to be solved by the invention is to provide a sunscreen agent, a preparation method and application thereof, wherein the sunscreen agent provided by the invention can reduce the use amount of the chemical sunscreen agent bis-ethylhexyl oxyphenol methoxyphenyl triazine, has the beneficial effect of synergistic sun-screening effect, and the liquorice triaxone A is milder and safer as a plant extract, and has less irritation when being applied to skin. .
The invention provides a sun-screening agent which is formed by combining licochalcone A and bis-ethylhexyloxyphenol methoxyphenyl triazine with the mass ratio of 1:1-2:1.
The invention also provides a preparation method of the sun-screening agent, which is characterized in that licochalcone A and bis-ethylhexyloxyphenol methoxyphenyl triazine are uniformly mixed to obtain the sun-screening agent.
The invention also provides a sunscreen cosmetic, which comprises 2 to 10 weight percent of the sunscreen agent.
Preferably, the sun-screening agent consists of a phase A, a phase B and a phase C, wherein the sum of the mass percentages of the phase A, the phase B and the phase C is 100%;
the phase a includes:
the phase B comprises:
the C phase comprises
0.1wt% of (daily) essence.
Preferably, the preparation method of the sun protection cosmetic comprises the following steps:
(1) Mixing and heating the raw materials of the phase A to 80-85 ℃ for homogenizing and homogenizing to obtain the phase A;
(2) Mixing and heating the raw materials of the phase B to 80-85 ℃ and stirring until the raw materials are completely dissolved to obtain the phase B;
(3) Pumping the phase A into a main pot for homogenization, pumping the phase B into the phase A under stirring, and stirring and preserving heat at 65-75 ℃;
(4) Cooling to 50-55 deg.c, homogenizing, stirring to 40-45 deg.c, and adding phase C to obtain the sun-proof cosmetics.
Compared with the prior art, the invention provides a sun-screening agent which is formed by combining licochalcone A and bis-ethylhexyloxyphenol methoxyphenyl triazine with the mass ratio of 1:1-2:1. According to the invention, the liquorice triadimefon A is used as a cosmetic sun-screening component and is matched with the existing chemical sun-screening agent in the cosmetic industry, so that the use amount of the existing chemical sun-screening agent bis-ethylhexyl oxyphenol methoxyphenyl triazine can be reduced, the synergistic sun-screening effect is achieved, the liquorice triadimefon A is used as a plant extract, is milder and safer, and has smaller irritation when being applied to skin.
Drawings
Fig. 1 is a graph showing absorbance curves of licochalcone a, licochalcone a;
FIG. 2 is a graph showing the absorbance profile of the synergy of bis-ethylhexyloxyphenol methoxyphenyl triazine and licochalcone A.
Detailed Description
The invention provides a sun-screening agent which is formed by combining licochalcone A and bis-ethylhexyloxyphenol methoxyphenyl triazine with the mass ratio of 1:1-2:1.
Wherein the mass ratio of licochalcone A to bis-ethylhexyloxyphenol methoxyphenyl triazine is 1:1-2:1, preferably 1:1, 1.5:1, 2:1 or any value between 1:1-2:1.
In the invention, licochalcone A is derived from the components in liquorice, and the liquorice is an alias: lao, sweet grass, ural Glycyrrhrizae radix, and sweet root. Leguminous plants and licorice plants are perennial herbs. The Glycyrrhrizae radix extract has effects of whitening skin, preventing sunburn, relieving inflammation, resisting allergy, resisting oxidation, resisting tumor, resisting aging, etc. The component with sunscreen effect in Glycyrrhrizae radix extract is generally flavonoid. Because of the conjugation of the molecular structure of the licoflavone compounds, the licoflavone compounds have strong absorption to ultraviolet light and visible light. The molecules absorbing the high-energy ultraviolet rays transition from a ground state to an activated state and then return to the ground state from the activated state, so that harmless low-energy rays are released. Compared with synthetic sunscreen agent, glycyrrhrizae radix extract is used as sunscreen component, has little irritation to skin and strong stable absorption capacity.
Licochalcone A belongs to the root extract of Glycyrrhiza (GLYCYRRHIZA INFLATA) and has the molecular formula: c (C) 21 H 22 O 4 Molecular weight: 338.39698, cas no: 58749-22-7.
In the invention, the purity of licochalcone A extracted from liquorice is more than or equal to 99 percent (HPLC).
According to the invention, licorice furones A is directly added into a sun-proof cosmetic as a sun-proof component, and is compounded with a sun-proof agent of bis-ethylhexyl oxyphenol methoxyphenyl triazine for use, so that the sun-proof cosmetic has a good synergistic effect.
The invention also provides a preparation method of the sun-screening agent, which is characterized in that licochalcone A and bis-ethylhexyloxyphenol methoxyphenyl triazine are uniformly mixed to obtain the sun-screening agent.
The mode of mixing is not particularly limited in the present invention, and mixing methods known to those skilled in the art may be employed.
The present invention also provides a sunscreen cosmetic comprising 1% to 10% by weight of the above sunscreen agent, preferably 1%, 3%, 5%, 7%, 10% or any value between 1% and 10% by weight.
The present invention is not particularly limited as long as it is known to those skilled in the art, and other components other than the sunscreen agent in the sunscreen cosmetic are not particularly limited.
In some embodiments of the present invention, the sunscreen cosmetic comprises the following raw materials in percentage by mass:
in some embodiments of the present invention, the sunscreen cosmetic consists of a phase a, a phase B, and a phase C, wherein the sum of the mass percentages of the phase a, the phase B, and the phase C is 100%;
the phase a includes:
the phase B comprises:
the C phase comprises
0.1wt% of (daily) essence.
In the present invention, the amount of the bis-ethylhexyloxyphenol methoxyphenyl triazine used in the sunscreen cosmetic is 1wt% to 5wt%, preferably 1wt%, 2wt%, 2.5wt%, 3wt%, 4wt%, 5wt%, or any value between 1wt% and 5 wt%.
The licochalcone A is used in the sunscreen cosmetic in an amount of 1wt% to 5wt%, preferably 1wt%, 2wt%, 2.5wt%, 3wt%, 4wt%, 5wt%, or any value between 1wt% and 5 wt%.
In the present invention, the method for preparing the sunscreen cosmetic comprises the steps of:
(1) Mixing and heating the raw materials of the phase A to 80-85 ℃ for homogenizing and homogenizing to obtain the phase A;
(2) Mixing and heating the raw materials of the phase B to 80-85 ℃ and stirring until the raw materials are completely dissolved to obtain the phase B;
(3) Pumping the phase A into a main pot for homogenization, pumping the phase B into the phase A under stirring, and stirring and preserving heat at 65-75 ℃;
(4) Cooling to 50-55deg.C, homogenizing, stirring, cooling to 40-45deg.C, adding phase C, and stirring to obtain sunscreen cosmetic.
According to the invention, the liquorice triadimefon A is used as a cosmetic sun-screening component and is matched with the existing chemical sun-screening agent in the cosmetic industry, so that the use amount of the existing chemical sun-screening agent bis-ethylhexyl oxyphenol methoxyphenyl triazine can be reduced, the synergistic sun-screening effect is achieved, the liquorice triadimefon A is used as a plant extract, is milder and safer, and has smaller irritation when being applied to skin.
The detection method of the SPF value of the sun-screening cream refers to the determination method of the sun-screening index (SPF value) of sun-screening cosmetics in China 2015 edition' technical Specification for cosmetic safety
In order to further understand the present invention, the following examples are provided to illustrate the sunscreen agent, the preparation method and the application thereof, and the scope of the present invention is not limited by the following examples.
Licochalcone A is provided by Qinghai Beili Glycyrrhrizae radix technology development Limited liability company
Example 1
Test for determining sun-screening Effect of Glycyrrhiza uralensis Fisher
In order to better prove the sun-screening effect of the licorice test ketone A, 1%, 3% and 5% of licorice test ketone A are respectively added in the following formulas without adding any other sun-screening agent to obtain sun-screening cream samples A, B and C, the specific formulas are shown in table 1, and the SPF results are shown in table 2.
Table 1 Liquirone A sunscreen cream formulations with different additive amounts
The preparation process comprises the following steps:
(1) Heating phase A to 80-85deg.C, homogenizing, and keeping;
(2) Heating phase B to 80-85deg.C, and stirring to dissolve completely;
(3) Pumping the phase A into a main pot for homogenizing for 3 minutes, slowly pumping the phase B into the phase A under stirring, rapidly stirring for 5 minutes, and stirring and preserving heat for 30 minutes at 65-75 ℃;
(4) Cooling to 50deg.C, homogenizing for 3 min, stirring, cooling to 45deg.C, adding phase C, stirring, discharging at 40deg.C, and inspecting.
TABLE 2 SPF values of licochalcone A sunscreens with different amounts
As can be seen from table 2, the SPF value of the sunscreen cream showed a significant trend of increasing with increasing amount of licochalcone a, and in the sunscreen cream C, when the amount of licochalcone a was 5%, the SPF value increased to about 13. Therefore, the licochalcone A has good UVA and UVB preventing effects, can be used as a sun-proof component to be added into cosmetics, and can increase sun-proof capacity of the cosmetics.
According to the invention, the ultraviolet spectrophotometry is used for detecting the ultraviolet absorbance curve of the ethanol solution with the concentration of licochalcone A of 1%, 2.5% and 5% diluted by 100 times, the detection result is shown in a graph 1, licochalcone A has obvious absorption peaks in a wavelength interval of 280-320 nm (UVB) and 320-400 nm (UVA), so that licochalcone A has good absorption effects on UVA and UVB, can be used as a sun-proof component, and can be found to have good synergistic effect with UVA/UVB sun-proof agents when being added into sun-proof cosmetics.
Experimental test of synergy of licochalcone A and UVA/UVB sunscreen bis-ethylhexyl oxyphenol methoxyphenyl triazine
In order to better prove the synergistic effect of licochalcone A on UVA/UVB sun-screening agent bis-ethylhexyl oxyphenol methoxyphenyl triazine, the invention uses an ultraviolet spectrophotometer to respectively dilute an ethanol solution of 2% of bis-ethylhexyl oxyphenol methoxyphenyl triazine, an ethanol solution of 2% of licochalcone A and an ethanol solution of 1% of bis-ethylhexyl oxyphenol methoxyphenyl triazine mixed with 1% of licochalcone A by 100 times, and then carries out ultraviolet absorbance curve detection, wherein the measurement result is shown in figure 2.
As can be seen from the figure 2, the absorbance curve of the mixed solution added with 1% of bis-ethylhexyl oxyphenol methoxyphenyl triazine and 1% of licochalcone A is obviously higher than that of the mixed solution added with only 2% of bis-ethylhexyl oxyphenol methoxyphenyl triazine and only 2% of licochalcone A, so that the licochalcone A has a certain synergistic effect on the bis-ethylhexyl oxyphenol methoxyphenyl triazine of the UVA/UVB sunscreen agent, and the licochalcone A can be applied to a sunscreen cream formula and can be used in combination with the bis-ethylhexyl oxyphenol methoxyphenyl triazine of the UVA/UVB sunscreen agent.
In conclusion, licochalcone A has the effect of absorbing middle-wavelength and long-wavelength ultraviolet rays, and can be used as a sun-screening agent to be added into sun-screening cosmetics to play a role in resisting ultraviolet rays and screening sun. Licochalcone A is used as a cosmetic sun-screening agent to be matched with the existing chemical sun-screening agent in the cosmetic industry, so that the use amount of the existing chemical sun-screening agent can be reduced, the synergistic sun-screening effect is achieved, and the licochalcone A is used as a plant extract to reduce the irritation to skin.
Example 2:
a sunscreen cream containing UVA/UVB sunscreen agent and licochalcone A has SPF value measured, and specific results are shown in tables 3 and 4.
TABLE 3 oil-in-water (O/W) sunscreen cream
The preparation process comprises the following steps:
(1) Heating phase A to 80-85deg.C, homogenizing, and keeping;
(2) Heating phase B to 80-85deg.C, and stirring to dissolve completely;
(3) Pumping the phase A into a main pot for homogenizing for 3 minutes, slowly pumping the phase B into the phase A under stirring, rapidly stirring for 5 minutes, and stirring and preserving heat for 30 minutes at 65-75 ℃;
(4) Cooling to 50deg.C, homogenizing for 3 min, stirring, cooling to 45deg.C, adding phase C, stirring, self-checking at 40deg.C, discharging, and inspecting.
TABLE 4 SPF values of licochalcone A sunscreens at different dosages
Example 3
TABLE 5 oil-in-water (O/W) sunscreen cream
The preparation process comprises the following steps:
(1) Heating phase A to 80-85deg.C, homogenizing, and keeping;
(2) Heating phase B to 80-85deg.C, and stirring to dissolve completely;
(3) Pumping the phase A into a main pot for homogenizing for 3 minutes, slowly pumping the phase B into the phase A under stirring, rapidly stirring for 5 minutes, and stirring and preserving heat for 30 minutes at 65-75 ℃;
(4) Cooling to 50deg.C, homogenizing for 3 min, stirring, cooling to 45deg.C, adding phase C, stirring, self-checking at 40deg.C, discharging, and inspecting.
TABLE 6 SPF values of licochalcone A sunscreens with different amounts
The three oil-in-water (O/W) sunscreen creams obtained by adding other sunscreens and adding bis-ethylhexyl oxyphenol methoxyphenyl triazine and licochalcone A respectively are a control example A, a control example B and a control example C, SPF values of the three oil-in-water (O/W) sunscreen creams are measured respectively, and the synergistic effect of adding licochalcone A on the bis-ethylhexyl oxyphenol methoxyphenyl triazine serving as the sunscreens is known from Table 6.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (2)
1. A sun-proof cosmetic is characterized by comprising an A phase, a B phase and a C phase, wherein the sum of the mass percentages of the A phase, the B phase and the C phase is 100%;
the phase a includes:
the phase B comprises:
the C phase comprises
0.1wt% of daily essence.
2. The sunscreen cosmetic according to claim 1, wherein the preparation method of the sunscreen cosmetic comprises the steps of:
(1) Mixing and heating the raw materials of the phase A to 80-85 ℃ for homogenizing and homogenizing to obtain the phase A;
(2) Mixing and heating the raw materials of the phase B to 80-85 ℃ and stirring until the raw materials are completely dissolved to obtain the phase B;
(3) Pumping the phase A into a main pot for homogenization, pumping the phase B into the phase A under stirring, and stirring and preserving heat at 65-75 ℃;
(4) Cooling to 50-55 deg.c, homogenizing, stirring to 40-45 deg.c, and adding phase C to obtain the sun-proof cosmetics.
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| DE102010050774A1 (en) * | 2010-11-10 | 2012-05-10 | Beiersdorf Ag | Cosmetic sunscreen spray |
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