Sun-protection cream

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention refers to cosmetology and represents a sun-protection cream consisting of aqueous-alcohol extract of grape skins, CO2-extract of grape skins, olive oil, isopropyl myristate, higher synthetic primary fatty alcohols C16-C20 fraction, polyethylene glycol-400 stearate, bee wax, glycerol, stearine, triethanolamine, benzyl alcohol, a preserving agent, a flavouring agent and water with the ingredients of the cream are found in certain proportions, wt %.

EFFECT: invention provides a higher rate of sun-protective action of the sun-protection cream.

4 tbl

 

The invention relates to the cosmetic industry, namely for sunscreen products.

Known cosmetic product for skin protection from ultraviolet radiation (patent RU №2277903), including water-oil-based, nano-crystalline hemicorporectomy oxygen, silicon, physiologically active compounds derived from marine fish, and vitamin E. the Cream has a high sun protection factor due to the expansion of the field of light transmission.

The disadvantage of a cosmetic product is the content of physiologically active compounds derived from marine fish, which are based on polyunsaturated fatty acids, including clupeomorpha acid. This acid is unstable in sunlight and oxygen is rapidly oxidized. Present in the composition of cosmetics vitamin E acts as an antioxidant polyunsaturated fatty acids, which carries minimal physiological load in the process of skin care.

Closest to the claimed sunscreen cream is a cream to protect skin from sunburn (patent RU №2020927)that enhances sunscreen ability and containing isopropylmyristate or isopropyl or liquid polyethylsiloxane, beeswax, glycerol or 1,2-propylene glycol, stearin, triethanolamine, 2-universality, ether methyl n-oksibenzoynoy acid, ether propyl n-oksibenzoynoy acid, benzyl alcohol, perfume and water, olive oil or cotton-seed oil salad, liquid polyethylsiloxane, alcohols of synthetic primary higher fatty fraction C16-C20, stearate and polyethylene glycol-400, 2-hydroxy-4-alkoxybenzenes, BHT, concentrates of black tea, natural, paraform.

The disadvantage of this cream is that sunscreen effect of the product is caused by the presence of more chemical UV-filters - 2-phenylbenzoxazole and 2-hydroxy-4-alkoxybenzenes, which can have a negative effect on the skin with prolonged use of cosmetics.

Object of the present invention is to provide a safe and effective sunscreen to protect the skin and body from the adverse effects of sunlight.

The technical result is an increase in the degree sunscreen effect of the cream.

The technical result is achieved by the fact that sunscreen consisting of olive oil, isopropylmyristate, synthetic primary higher fatty alcohols fraction C16-C20, stearate and polyethylene glycol-400, beeswax, glycerin, stearin, triethanolamine, benzyl alcohol, preservatives, perfumes, and water, characterized in that it is the most natural UV filter to protect the skin and body from the adverse effects of sunlight aqueous-alcoholic extract of grape skins, the resulting aqueous-alcoholic extraction and CO2-extract grape skins, obtained by extraction with carbon dioxide, in the following ratio, wt.%:

Olive oil4,0-6,0
Isopropylmyristate1,0-5,0
Synthetic primary higher fatty alcohols fraction C16-C201,0-5,0
Stearate polyethylene glycol - 4002,0-4,0
Beeswax0,5-2,5
Glycerin2,0-6,0
Stearin3,0-6,0
Triethanolamine0,6-1,2
Benzyl alcohol : 0,3-0,5
Aqueous-alcoholic extract of grape skins0,01-0,15
CO2-extract grape skins0,01-0,15
Preservative0,04-0,05
Perfume 0.5 to 1.2
Water100

The advantage of the developed sunscreen is the introduction of the product water-alcohol extract of grape skins and CO2-extract of grape skins.

Aqueous-alcoholic extract of grape skins are rich in polyphenols, flavonoids, color and tannins and has antioxidant, antibacterial and sunscreen properties. The extract shows high antioxidant efficiency, protecting polyunsaturated fatty acids from UV-induced lipid peroxidation. The content of polyphenols in aqueous alcoholic extract also provides its biological activity. Grape polyphenols inhibit the processes of lipid peroxidation in the skin, which increases the natural aging process, when exposed to UV rays, while changing the ambient temperature and other factors. Aqueous-alcoholic extract of grape skins is a liquid and has an intense dark color.

CO2-extract grape skins rich in sterols, carotinoids and phospholipids. Also has sun protection properties. Is a buttery dark-colored product.

General biological effects of water-alcohol and CO2-extract the grape skins is revealed also in the strengthening properties of small blood vessels, reduce inflammation, protect collagen and elastin from damage by free radicals, i.e. retaining the tone and elasticity of the skin.

Olive oil is a liquid non-drying vegetable oil from olives European. Contains up to 84% unsaturated oleic acid. Used in personal skin care.

Isopropylmyristate - product of the interaction of isopropyl alcohol and myristic acid. Widely used as an emollient ingredient in cosmetic products.

Synthetic primary higher fatty alcohols fraction C16-C20get recovery of fatty acids or oxidation of paraffins. Used as a structure-forming component.

Stearate polyethylene glycol - used as simulator. The resulting emulsion is characterized by a stable dispersion.

Beeswax - is produced in special glands of worker bees. Used as a structure-forming heat-resistant and softening component in emulsion products.

Glycerin is a colorless, odorless liquid that easily mixes with water and ethanol. Has a high hygroscopicity. Added to cosmetics to water evaporation, in addition, glycerin, moisturizing effect on the skin.

Stearin is a mixture of saturated fatty acids. ISOE is isoamsa, as a structural component in cosmetic products.

Triethanolamine - low amerosport, colorless or light yellow viscous liquid. Hygroscopic, soluble in water, alcohol, acetone. In cosmetics it is used as a soft base.

Benzyl alcohol is used as an antiseptic and preservative. Found in some essential oils.

The preservative component, ensure the sustainability of the cosmetic products for microbial contamination during the warranty period of storage. It has fungicidal and bactericidal activity.

Perfume - perfume to disguise the smell of the basics and produce a pleasant aroma of the product.

Water is one of the permanent component in the formulation of most of perfumery and cosmetic products. Provides them with the necessary transparency, viscosity, concentration and color.

To confirm the technical result were prepared samples stated sunscreen and prototype. Was offered a range of values of the components in the recipe claimed sunscreen. The formulation of cosmetics are listed in table 1.

0,15
Table 1
The recipe claimed the other polarvision the spas cream and prototype wt.%
ComponentRecipe 1Recipe 2Recipe 3Cream to protect skin from sunburn prototype
Olive oil4,05,06,04,0-6,0
Isopropylmyristate1,03,05,01,0-5,0
Polyethylsiloxane liquid---1,0-6,0
Synthetic primary higher fatty alcohols fraction16-C201,03,05,01,0-5,0
Stearate polyethylene glycol-4002,03,04,02,0-4,0
Beeswax0,51,52,5 0,5-2,5
Glycerin2,04,06,02,0-6,0
Stearin3,04,56,03,0-6,0
Triethanolamine0,60,91,20,6-1,2
2-phenylbenzoxazole--2,0-2,5
2-hydroxy-4-alkoxybenzenes---2,0-5,0
BHT--of 0.1-0.3
Concentrates of black tea natural---0,05-0,20
Aqueous-alcoholic extract of grape skins0,010,8-
CO2-extract grape skins0,010,80,15-
Methyl ester of para-oksibenzoynoy acid---of 0.2-0.3
Propyl ester of para-oksibenzoynoy acid---0,05-0,10
Benzyl alcohol : 0,30,40,50,3-0,5
Paraform---0,04-0,05
Perfume0,50,851,20.5 to 1.2
Preservative0,040,0450,05-
Water 100100100100

Technology of preparation of sunscreen consists of the following steps: in a reactor with a stirrer download prescription amount of water, glycerol and triethanolamines, the mixture is heated to 70-75°C. In a separate reactor load the olive oil, isopropylmyristate, synthetic primary higher fatty alcohols fraction C16-C20, glycol stearate, beeswax, stearin, the mixture is also heated to 70-75°C. After the mixture of the fatty components is melted, add CO2-extract of grape skins and mix thoroughly. Next mix the two phases, conduct stage of emulsification for 15-20 minutes. The resulting emulsion is cooled to a temperature of 35-40°C and add aqueous-alcoholic extract of grape skins, benzyl alcohol, a preservative and flavoring. The emulsion is stirred for another 5-10 minutes until a homogeneous mass. The finished cosmetic product Packed in the container and stored at a temperature from +4 to 10°C.

To confirm the declared technical result obtained samples of sunscreen are estimated consumer properties, to determine the effectiveness of sun protection properties, organoleptic and physico-chemical parameters.

D is I the evaluation of consumer properties declared sunscreen following indicators have been chosen: the smell, fluidity, absorbiruyaci, greasiness and stickiness. The average values of these indicators are shown in table 2.

Table 2
Average values of consumer properties of the claimed formulations sunscreen
Name of indicatorAverage values of consumer properties
Formula 1 pointsRecipe 2 pointsRecipe 3 points
Smella 4.95,05,0
Spreadinga 4.95,0the 4.7
Absorbiruyacia 4.9a 4.94,8
Fat5,05,0a 4.9
Stickiness5,05,04,8

Recipe 2 is antisemites cream has a high consumer properties (table 2) and is the most appropriate formulation of the inventive sunscreen.

To determine the effectiveness of sunscreen use method of determining the sun protection properties of cosmetics, which is based on the absorption of UV light composition, applied a thin layer on a solid surface.

For work on the quartz plate is applied evenly one of the samples, ensuring that there were no air bubbles. The sample from above close the same quartz plate and adjusting the layer thickness of 0.01 mm, measuring with a micrometer. Both plates are placed in a special holder of the spectrophotometer. Next in this holder placed two plates of the same thickness. The cuvette holder is placed in a sample chamber of the instrument, then remove the UV spectrum of the test sample in the field 260-350 nm. On a scale of reference of the instrument determine the percent transmittance of ultraviolet rays of the test sample.

Similarly, conducting experience with the second sample. Next, evaluate the effectiveness of sunscreen on the value of K, which is equal to the ratio of the percent transmittance clean plate to the percent transmittance of a plate with a sample of sunscreen. Make comparative conclusions about sunscreen effectiveness data samples.

The achievement of the technical result is proved when comparing the efficiency claimed is th sunscreen and prototype (table 3).

Table 3
Indicators of the effectiveness of sunscreen properties claimed sunscreen and prototype
RecipeRecipe 1Recipe 2Recipe 3Cream to protect skin from sunburn prototype
The effectiveness of sunscreen, K1,55of 1.571,581,35

The effectiveness of sunscreen is 1,57, the magnitude of K, the effectiveness of the prototype is 1.35. The effectiveness of sunscreen higher than the efficiency of the prototype.

On organoleptic and physico-chemical parameters of the claimed sunscreen meets the requirements and standards of GOST R 52343-2005 listed in table 4.

Table 4
Organoleptic and physico-chemical characteristics of cosmetic creams
Name is of indicator Permissible limitsCharacteristics and rate claimed sunscreen
AppearanceA homogeneous mass does not contain impuritiesA homogeneous mass does not contain impurities
ColorTypical color of this creamWhite with a slightly purple tint
SmellPeculiar smell of this creamPeculiar smell perfumes
Mass fraction of water and volatile substances, %5,0-98,078,0-92,0
PH5,0-9,05,5-6,0
Colloidal stabilityStableStable
ThermostabilityStableStable
Fraction of total mass of heavy metals, %, max0,0020 (20,0)

From given the different experimental data should what sunscreen properties declared sunscreen, higher than that of the prototype in the recipe stated sunscreen as a natural UV filter used natural ingredients of vegetable origin.

Thus, the set of essential features set forth in the claims, allows to achieve the desired result. The invention meets the patentability criteria, in particular inventive step, because sunscreen as a natural UV filter to protect the skin and body from the adverse effects of sunlight are aqueous-alcoholic and CO2-extract of grape skins.

Sun protection cream, consisting of olive oil, isopropylmyristate, synthetic primary higher fatty alcohols fraction C16-C20, stearate and polyethylene glycol-400, beeswax, glycerin, stearin, triethanolamine, benzyl alcohol, preservatives, perfumes, and water, characterized in that it further comprises as a natural UV filter to protect the skin and body from the adverse effects of sunlight aqueous-alcoholic extract of grape skins and CO2-extract of grape skins in the following ratio, wt.%:

Olive oil4,0-6,0
Isopropylmyristate1,0-5,0
Synthetic primary higher
fatty alcohols fraction C16-C201,0-5,0
Stearate polyethylene glycol-4002,0-4,0
Beeswax0,5-2,5
Glycerin2,0-6,0
Stearin3,0-6,0
Triethanolamine0,6-1,2
Benzyl alcohol : 0,3-0,5
Aqueous-alcoholic extract
grape skins0,01-0,15
CO2-extract grape skins0,01-0,15
Preservative0,04-0,05
Perfume0.5 to 1.2
Water100



 

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