CN103202783B - Non-irritant sunscreen cream and preparation method thereof - Google Patents
Non-irritant sunscreen cream and preparation method thereof Download PDFInfo
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- CN103202783B CN103202783B CN201210377396.2A CN201210377396A CN103202783B CN 103202783 B CN103202783 B CN 103202783B CN 201210377396 A CN201210377396 A CN 201210377396A CN 103202783 B CN103202783 B CN 103202783B
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Abstract
The invention discloses a non-irritant sunscreen cream and a preparation method thereof. The sunscreen cream provided by the invention contains a UVB sun-screening agent in which a physical sun-screening agent nanometer-sized titanium dioxide, a polymethylsilsesquioxane coated chemical sun-screening agent ethylhexyl methoxycinnamate, a polymethylsilsesquioxane coated chemical sun-screening agent bis-ethyl hexyl oxyphenol methoxyphenyl triazine and the like, a UVA sun-screening agent, additives, etc. The sunscreen cream has good compatibility with the skin and strong capability in protecting the skin from harm by ultraviolet rays and is easy to apply, non-irritant and safe to use.
Description
Technical field
The present invention relates to cosmetic field, be specifically related to a kind of non-stimulated sunscreen cream and preparation method thereof.
Background technology
Sunscreen product is of a great variety in the market, has sunscreen cream, sunscreen, sun-proof spraying etc., and the product of high, medium and low times of SPF (sun protection factor) is complete simultaneously, and generally all possesses UVA sun-screening function, gets consumer reception very much.But owing to all containing chemical sunscreen in general sunscreen product, particularly have a product of high power SPF (sun protection factor), chemical sunscreen content is also relatively high, and chemical sunscreen can be decayed because absorb ultraviolet, because be that chemical reaction occurs on skin, so skin is had to certain stimulation.And chemical sunscreen itself is exactly a kind of photoactive substance, improper use also can produce and stimulate skin, cause heliosensitivity reaction etc.So non-stimulated sunscreen product has just become the focus of cosmetics research staff research instantly.
Summary of the invention
The object of this invention is to provide a kind of safe, non-stimulated sunscreen cream, meet the demand of market to non-stimulated sun care preparations.
In order to reach object of the present invention, taked following technical scheme:
A kind of non-stimulated sunscreen cream, it is characterized in that being formed according to mass percent component by following component: poly methyl silsesquioxane parcel ethylhexyl methoxy cinnamate 4.0-10.0%, poly methyl silsesquioxane parcel ethylhexyl salicylate 1.0-5.0%, titanium dioxide 2.0-6.0%, poly methyl silsesquioxane parcel BEMT 1.0-3.0%, oils and fats 12.0-40.0%, emulsifying agent 3.0-6.0%, heat preserving agent 4.0-15.0%, antiseptic 0.3-0.5%, essence 0.1-0.3%, surplus is deionized water.Wherein said oils and fats is the more than at least 5 kinds or 5 kinds of following oils and fats: Dormant oils 6-10%; Caprylic/capric triglyceride 3-6%; C12-15 alcohol benzoate 3-6%; Cyclomethicone 4-8%; Tocopherol acetas 0.5-1%; Polydimethylsiloxane and dimethiconol 0.5-2%; Dicaprylyl carbonate 3-6%; Parleam 2-5%.Described emulsifying agent be in cetyl PEG/PPG-10/1 polydimethylsiloxane 2-3%, lecithin 0.5-1.0%, methyl glucose sesquistearate 0.5-1.5%, KF6017 1-3% at least two kinds or more than.Described wetting agent be in butanediol 3.0-8.0%, hyaluronate sodium 0.01-0.05%, glycerol 2.0-8.0%, Anjidew NL50 0.5-2.0%, carbamide 0.5-2.0% at least one or more than.The active matter content that wraps up chemical sunscreen is 70%.
Another object of the present invention is to provide the preparation method of above-mentioned sunscreen cream.
In order to reach this purpose, the present invention has adopted following technical scheme:
(1) titanium dioxide and the mixed grinding of 10-15 part oils and fats is even;
(2) successively poly methyl silsesquioxane is wrapped up to the oil phase materials such as ethylhexyl methoxy cinnamate, poly methyl silsesquioxane parcel ethylhexyl salicylate, poly methyl silsesquioxane parcel BEMT, oils and fats, emulsifying agent and add oil phase pot, be heated with stirring to 80-85 ℃, disperse completely rear suction emulsifying pot;
(3) mixture of ground titanium dioxide and oils and fats is added to emulsifying pot; Before emulsifying, volatile oils and fats is added to emulsifying pot, be warming up to 80-85 ℃;
(4) the water materials such as deionized water, butanediol are added to water pot, stir and be warming up to 80-85 ℃. with water, completely dissolve and be as the criterion;
(5) carrying out emulsifying in the slow suction emulsifying of the material process filter screen pot in water pot, after emulsifying 30-45 minute, stop homogenizing, open cycle water for cooling, keeps vacuum froth breaking;
(6) be cooled to 45 ℃, add successively functional additive, antiseptic, essence, stir, while continuing to be cooled to 38 ℃, discharging.
Beneficial effect of the present invention: be that the chemical sunscreen in formula wraps up with poly methyl silsesquioxane; on sunscreen surface, form one deck solid protective membrane; having intercepted chemical sunscreen contacts with skin; and ultraviolet pierce through the protection film completely; thereby keep the absorption function of UV absorbent consistently; can skin not produced and be stimulated again, thereby the sunscreen cream making can play same sun-proof result and don't can skin be produced and be stimulated.
The specific embodiment
By specific embodiment, come below that the present invention is further illustrated, but these embodiment are just in order to illustrate, the present invention do not done to any type of restriction.
Embodiment 1: a kind of non-stimulated sunscreen cream
Formula is shown in Table 1.
Table 1
Described in this implementation column, a kind of non-stimulated sunscreen cream is to prepare by following steps:
1. tiny of till granule by being ground to colloid mill after B phase mix homogeneously;
2. successively each component of A phase is added to oil phase pot, stir and be warming up to 80-85 ℃, suction emulsifying pot after dissolving completely;
3. ground B phase mixture is added to emulsifying pot, stirs and to be warming up to 80-85 ℃, before emulsifying, add C to;
4. D is added to water pot mutually successively simultaneously, stir and be warming up to 80-85 ℃, dissolve completely;
5. evacuation (0.03MPa), open homogenizing (3000rpm/min) simultaneously and stir, utilize negative pressure that the material in water pot is carried out to emulsifying in the slow suction emulsifying of filter screen pot, the time is with 30-45min, then open cycle water for cooling, and keep vacuum with froth breaking;
6. be cooled to 45 ℃, add successively E phase, stir;
7. continue to be cooled to 38 ℃, discharging after the assay was approved.
Embodiment 2: a kind of non-stimulated sunscreen cream
Formula is shown in Table 2.
Table 2
Embodiment 3: a kind of non-stimulated sunscreen cream
Formula is shown in Table 3.
Table 3
Described in this implementation column, a kind of non-stimulated sunscreen cream is to prepare by following steps:
1. tiny of till granule by being ground to colloid mill after B phase mix homogeneously;
2. successively each component of A phase is added to oil phase pot, stir and be warming up to 80-85 ℃, suction emulsifying pot after dissolving completely;
3. ground B phase mixture is added to emulsifying pot, stirs and to be warming up to 80-85 ℃, before emulsifying, add C to;
4. D is added to water pot mutually successively simultaneously, stir and be warming up to 80-85 ℃, dissolve completely;
5. evacuation (0.03MPa), open homogenizing (3000rpm/min) simultaneously and stir, utilize negative pressure that the material in water pot is carried out to emulsifying in the slow suction emulsifying of filter screen pot, the time is with 30-45min, then open cycle water for cooling, and keep vacuum with froth breaking;
6. be cooled to 45 ℃, add successively E phase, stir;
7. continue to be cooled to 38 ℃, discharging after the assay was approved.
The common sunscreen cream of comparative example 1
Formula is shown in Table 4.
Table 4
Its preparation method is with embodiment 1.
Experimental example 1 skin irritation test
Take 60 women and 40 male is object, with syringe, get in the coyote hole that 0.03ml sample is placed in speckle examination adhesive tape, immediately the speckle examination adhesive tape that is equipped with sample is started to be longitudinally affixed on from bottom the normal skin of left forearm, light pressing chamber, to drive away air, and is uniformly distributed trier one by one simultaneously.Labelling is carried out at test position, to observe.Every 24 hours, paste skin once, open half an hour after paster, according to the term of CTFA guide (1981), check.Carried out altogether the experiment of 6 patch, after pasting skin and finishing the 6th day, in order to observe late response, has carried out appending inspection.Data are utilized last check result, compare.Identify that take table 5 carries out as standard.Substances is respectively the non-stimulated sunscreen cream of embodiment 1 and the common sunscreen cream of comparative example (preparing without the chemical sunscreen of parcel with equivalent), and result is as shown in table 6.
Table 5 standard of perfection
| Grade | Symbol | Standard of perfection |
| 0 | - | Negative reaction: non-stimulated, without erythema |
| 1 | ± | Suspicious reaction: slight erythema |
| 2 | + | Weak positive reaction: erythema |
| 3 | ++ | Strong positive reaction: erythema, pimple, vesicle |
| 4 | +++ | Extremely strong positive reaction: serious edema, bulla |
The irritant test result of the non-stimulated sunscreen cream of table 6 and common sunscreen cream
| Lagging number of times | Comparative example 1 | Blank experiment | Embodiment 1 |
| 1 | 0 | 0 | 0 |
| 2 | 0 | 0 | 0 |
| 3 | 1 time ± | 0 | 0 |
| 4 | 1 time ± | 0 | 0 |
| 5 | 1 time ± | 0 | 0 |
| 6 | 1 time ± | 0 | 0 |
| Finish latter the 6th day | 1 time ± | 0 | 0 |
| Add up to | 5 times ± | 0 | 0 |
By this result of the test, can recognize that blank experiment is non-stimulated, the non-stimulated sunscreen cream of embodiment 1 is non-stimulated to skin, and the common sunscreen cream of comparative example still exists the irritant reaction of skin.Thereby use after non-stimulated sunscreen cream to human body without any irritated and uncomfortable, the present invention is relatively general, and sunscreen product has safe and non-stimulating feature.
Experimental example 2 sun-proof result experiments
Before sample test, use blank quartz plate test background curve, more accurately weigh 0.2mg/cm2 sample on 3M adhesive tape face, then with smearing fast even sample with the finger of upper latex finger cot.By the sample panel after smearing and the shady and cool natural drying 30min of place.Upper Instrument measuring, can record the sun-proof value of UVA and UVB, represents respectively with PA value and spf value.Spf value is determined according to minimum Erythema Dose: the minimum Erythema Dose of SPF=(with after sun-proof articles)/minimum Erythema Dose (with before sun-proof articles); The numerical value of SPF SPF (sun protection factor) is applicable to everyone, its computational methods are: suppose that ultraviolet intensity can not change because of the time, if people without any sun-proof measure until in the sun after 20 minutes skin can redden, when he adopts the sunscreen products of SPF15, expression can extend the time of 15 times, and namely after 300 minutes, skin just can be shone red; And PA value there is no unified standard at present in the world, Japanese cosmetic TIA represents the degree of protection of UVA with PA (Protection grade of UVA, PA).PA carries out classification according to UVA protecting factor (Protection factor of UVA, PFA), and the method for expressing of its protection UVA gradation of effects is: 2≤PFA < 4 is PA+; 4≤PFA < 8 is PA++; 8≤PFA is PA+++;
The substances of this test experiments is respectively the non-stimulated sunscreen cream of embodiment 1 and the common sunscreen cream of comparative example (preparing without the chemical sunscreen of parcel with equivalent) and common protective skin cream (blank example).Testing instrument title used is SPF-290S.Test result is as shown in table 7:
The irritant test result of the non-stimulated sunscreen cream of table 7 and common sunscreen cream
| Group | Spf value | PA value |
| Blank group | 0 | 0 |
| Comparative example 1 | 22 | 6(PA++) |
| Embodiment 1 | 24 | 7(PA++) |
From the result of test, can find out, non-stimulated sunscreen cream of the present invention is the same with general sunscreen product has suitable sun-proof result, and because chemical sunscreen is by after wrapping up, coating at skin surface is more even, cause under the condition of equivalent chemistry sunscreen, its sun-proof result is more slightly better.
Claims (1)
1. a non-stimulated sunscreen cream, it is characterized in that being formed according to certain mass percent by following component: poly methyl silsesquioxane parcel ethylhexyl methoxy cinnamate 4.0%-10.0%, poly methyl silsesquioxane parcel ethylhexyl salicylate 1.0%-5.0%, titanium dioxide 2.0%-6.0%, poly methyl silsesquioxane parcel BEMT 1.0%-3.0%, oils and fats 12.0%-40.0%, emulsifying agent 3.0%-6.0%, wetting agent 4.0%-15.0%, antiseptic 0.3%-0.5%, essence 0.1%-0.3%, surplus is deionized water, wherein:
Described oils and fats is at least 5 kinds of following oils and fats: Dormant oils 6%-10%, caprylic/capric triglyceride 3%-6%, C12-15 alcohol benzoate 3%-6%, Cyclomethicone 4%-8%, tocopherol acetas 0.5%-1%, polydimethylsiloxane and dimethiconol 0.5%-2%, dicaprylyl carbonate 3%-6%, Parleam 2%-5%;
Described emulsifying agent is at least two kinds in cetyl PEG/PPG-10/1 polydimethylsiloxane 2%-3%, lecithin 0.5%-1.0%, methyl glucose sesquistearate 0.5%-1.5%, KF6017 1%-3%;
Described wetting agent is at least one in butanediol 3.0%-8.0%, hyaluronate sodium 0.01%-0.05%, glycerol 2.0%-8.0%, Anjidew NL50 0.5%-2.0%, carbamide 0.5%-2.0%.
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| CN103432020B (en) * | 2013-09-12 | 2015-04-01 | 广东轻工职业技术学院 | Sustained-release sunscreen composition and preparation method and application thereof |
| CN104586692A (en) * | 2014-12-31 | 2015-05-06 | 广州九美仟惠生物科技有限公司 | Sunscreen cream with cooling and restoring function |
| CN106344431A (en) * | 2016-09-24 | 2017-01-25 | 成都测迪森生物科技有限公司 | Sunscreen |
| DE102016220547A1 (en) * | 2016-10-20 | 2018-04-26 | Beiersdorf Ag | Ethanolic sunscreen with reduced tendency to textile staining |
| CN106821793B (en) * | 2016-12-28 | 2020-07-28 | 广州环亚化妆品科技有限公司 | Mild and efficient multiple-emulsion sunscreen cream and preparation method thereof |
| CN107625660B (en) * | 2017-09-27 | 2021-04-02 | 广州环亚化妆品科技有限公司 | Transparent sunscreen oil gel and preparation method thereof |
| CN115487092B (en) * | 2022-09-21 | 2023-12-15 | 广东鼎月生物科技有限公司 | Isolation sun cream and preparation method thereof |
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| CN101589997A (en) * | 2009-06-25 | 2009-12-02 | 上海应用技术学院 | A kind of UVB ultra light sun block lotion and preparation method thereof |
| CN102552068B (en) * | 2011-12-26 | 2016-01-20 | 上海应用技术学院 | Polysiloxane composite particles of the chemical sun that a kind of esters of coated salicylic acid or derivatives thereof is formed and preparation method thereof |
| CN102488630B (en) * | 2011-12-26 | 2015-03-18 | 上海应用技术学院 | Polysiloxane composite particle cladding chemical sun-screening agent formed by p-methoxycinnamic acid esters and preparation method thereof |
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Address after: 510663 No.15, Kelin Road, Guangzhou Science City, Guangzhou high tech Industrial Development Zone, Guangdong Province Patentee after: Guangzhou Huanya cosmetics technology Co.,Ltd. Address before: 510663 Guangzhou High-tech Industrial Development Zone, Guangzhou, Guangdong Province, 15 Kelin Road, Guangzhou Science City Patentee before: GUANGZHOU HUANYA COSMETICS TECHNOLOGY Co.,Ltd. |
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