JP2022131883A - Cosmetics and makeup method - Google Patents

Abstract

To provide cosmetics that can preserve and more beautifully and naturally display the original color when the face imaged by an in-camera is displayed on the display of the other party.SOLUTION: There is provided a base makeup cosmetic composition for imaging with an in-camera in a web conference, containing as a pigment one or more powders selected from zinc oxide, calcium sulfate, boron nitride, cellulose powder, metal soap, synthetic mica and composite powders thereof, and surface treatment powders, the total content of talc, sericite, and mica being 40 mass% or less in all pigments, and titanium oxide being not contained.SELECTED DRAWING: Figure 1

Description

The present invention is a cosmetic that has an optically optimal composition when evaluated by the in-camera of a smartphone or tablet, etc., and can be reflected clearly even on the screen of a web conference, and a cosmetic that has a uniform appearance and excellent transparency. Concerning makeup method.

The technical background of the present invention will be described below.
In evaluating cosmetics, conventionally, as described in Non-Patent Document 1, self-evaluation by panelists themselves by looking at makeup in a mirror or the like has been adopted.
In addition, as described in Non-Patent Document 2, a method has been used in which cosmetics are applied to artificial skin or the like and measured by equipment for evaluation.
In addition, due to the impact of the new coronavirus infection (COVID-19), corporate meetings and university classes have moved online, and the number of cases using web conferencing systems has increased rapidly.
In many cases, web conferences are often filmed with devices such as smartphones, personal computers, and tablets without using dedicated recording equipment. The in-camera installed in these devices, which reflects the face, generally has lower performance than the out-camera. Furthermore, in a web conference, since a low-quality image is enlarged and displayed to the other party, the optical characteristics of the makeup film captured by the camera in an insufficient light environment are emphasized, often resulting in an unnatural facial impression.
In addition, an image captured by the in-camera is greatly affected by the color tone on the display of the other party in the Web conference, depending on the illuminance, the color of light, and the arrangement of the light source during shooting. Therefore, an image displayed on the screen of the Web conference is completely different from the image of the cosmetic coating film that a person sees directly with the naked eye. As described in Patent Document 1, a system that supports a user's selection of cosmetics via the Internet, a system that determines skin conditions based on image data as in Patent Document 2, and the like are known. or taken with an out-camera.
Furthermore, as in Patent Document 3, make-up cosmetics for television or movie shooting under light source conditions having a specific composition are also known, but television and movie shooting are performed using a dedicated camera under an adjusted light source. is used for shooting. Therefore, the cosmetics described in Patent Document 3 cannot be used for photographing with an in-camera whose photographing environment and photographing equipment are completely different.
In addition, as described in Patent Document 4, a skin condition determination method having a face image acquisition step of acquiring a facial image obtained by photographing the facial expression of a subject is known, but the acquired image is not the object of analysis. Therefore, it uses a high-performance camera that obtains detailed data, and is never an in-camera.
In addition, a system that evaluates the aesthetic effect of makeup using images captured by a camera is also known. It is a dedicated camera for obtaining information that can withstand analysis, and it is by no means an in-camera.
As described above, there is no known technique for making cosmetics themselves optically suitable for in-camera Web conferences.

Japanese Unexamined Patent Application Publication No. 2020-13368 JP 2018-97899 A Patent No. 3940501 JP 2017-217445 A

Saegusa, Chihiro, Fukunaga, Kyoko, and Watanabe, Katsumi. "Is everyday makeup a creative act? Relationships between attitudes and behaviors toward makeup and subjective happiness and self-consciousness." Annual Conference. Japanese Psychological Association, 2018. Taiji Nishizawa, et al. “Development of make-up that improves the appearance of cheeks that move. ”Journal of Japanese Society of Cosmetic Engineers 54.1 (2020): 59-64.

There is no cosmetics specifically designed to have optical properties that enable appropriate display on the display of the other party of the Web conference for Web conferences with different photographing conditions. Furthermore, the design methodology is also unknown. Therefore, the problem to be solved by the present invention is to obtain a cosmetic that retains the original color and can be displayed more beautifully and naturally when the face photographed by the in-camera is displayed on the display of the other party. be.

Therefore, the present inventors invented the following as a result of intensive studies.
1. As a pigment, one or more powders selected from zinc oxide, calcium sulfate, boron nitride, cellulose powder, metal soap, synthetic mica and its composite powder, surface treatment powder, talc, sericite, mica and mica The total content of is 40% by mass or less in all pigments, and does not contain titanium oxide.
2. 2. The cosmetic composition for photographing by in-camera Web conferencing according to 1, which uses a composite powder composed of two or more kinds selected from zinc oxide, calcium sulfate, boron nitride, and metallic soap.
3. It contains a composite powder of zinc oxide, calcium sulfate, and boron nitride, and the composite powder is 1) a composite powder composed of 60 to 90 parts by mass of zinc oxide and 10 to 40 parts by mass of boron nitride, and 2) 60 to 60 parts by mass of zinc oxide. 3) a composite powder consisting of 90 parts by weight of calcium sulfate and 10 to 40 parts by weight of calcium sulfate; 3) a composite powder of 60 to 90 parts by weight of calcium sulfate and 10 to 40 parts by weight of boron nitride; 3. The cosmetic composition for photographing by an in-camera Web conference according to 1 or 2, which is one or more selected from 1) to 4) of the composite powder comprising 10 to 40 parts by mass of boron nitride.
4. The composite powder described in 3 is water-repellent-treated with 1 to 5 parts by mass of a surface treatment agent with respect to 100 parts by mass of the composite powder. Cosmetic composition for photographing.
5. 5. A makeup method of combining a base material containing silicone elastomer powder and the cosmetic composition for photographing by in-camera Web conference according to any one of 1 to 4 above.

The present invention contains at least one powder selected from zinc oxide, calcium sulfate, boron nitride, cellulose powder, metallic soap, synthetic mica and its composite powder, and surface-treated powder, and contains talc, sericite, and mica. The content is 40% by mass or less in the solid content of the cosmetic, so that the cosmetic composition for photographing by a web conference with an in-camera (hereinafter, simply referred to as "cosmetics" in some cases) can get. As a result, it is possible to obtain a cosmetic that allows the image on the display of the other party of the Web conference to have the original color and to be displayed more beautifully and naturally.
Furthermore, by using a combination of the base material containing the silicone elastomer powder and the above cosmetics, a makeup method can be obtained in which the makeup coating film is uniform and the transparency is particularly excellent.

Electron micrograph of a composite powder consisting of 60 to 90 parts by mass of surface-treated zinc oxide and 10 to 40 parts by mass of boron nitride Spectrum of White Light Used in Examples Spectrum of electric bulb color light used in the example Spectrum of daylight white light used in the example

The present inventors investigated from the methodology of cosmetic design. Major factors to be considered were 1) camera model dependence, 2) influence of light environment at the time of shooting, and 3) optical properties of the decorative coating film. Therefore, using various camera-equipped devices that have been put on the market in recent years, we investigated how the decorative coating film would look on the display when the lighting environment was changed in various ways.
Furthermore, the optical properties of each pigment, which is a component of the decorative coating film, were evaluated. Summarizing the enormous amount of research results, there are pigments that are less dependent on the light environment. The inventors have also found that when cosmetics prepared using such pigments are used, the makeup looks natural and beautiful both in an in-camera Web conference and on the other party's display.
In particular, sericite and talc, which are frequently used in make-up cosmetics, are excellent pigments that are highly evaluated by the human eye, but they are strongly affected by the light environment on the screen shot with the in-camera. was a pigment. Therefore, by omitting these pigments or minimizing the content of these pigments and designing the cosmetics mainly based on pigments that are not easily affected, cosmetics suitable for Web conferences were obtained. Furthermore, even if this cosmetic was used on a daily basis, it not only had a quality that did not cause problems with the naked eye, but when combined with a specific base material, the cosmetic had excellent transparency not found in conventional cosmetics. was also found to be obtained.

(Cosmetics of the present invention)
The cosmetic of the present invention is a cosmetic for base makeup, but the form is not limited. (Sometimes referred to simply as “cosmetics” below). Furthermore, the target is a cosmetic that is applied from the face to the neck and shoulders.

(Method for selecting pigments with optical properties suitable for web conferencing)
An in-camera is a digital camera mounted inside a mobile terminal such as a mobile phone or a smart phone (the side facing the face during a call, etc.) as an IT term according to the IT terminology dictionary binary. It is mainly used for taking pictures of the user himself. It also encompasses a camera that is now an integral part of the laptop, adjacent to the laptop's display. Since the performance of the in-camera is insufficient, the image quality of the display screen on the other party's display is inferior in a normal Web conference.
In addition, the shooting environment is not suitable for evaluating faces, that is, the lighting environment is not good, which complicates this task. The ``environment where the lighting environment is not suitable for evaluating faces'' here means that the lighting of the shooting location with the in-camera is not sufficiently controlled, and the illuminance, color temperature, light spectrum, etc. are not suitable for shooting. or an environment in which those conditions are not constant.
If you use a digital camera with sufficient performance in a good lighting environment (environment with sufficient illuminance, appropriate color temperature and spectrum), you can take beautiful pictures even with conventional cosmetics. It doesn't give an unnatural facial impression like a meeting.
Therefore, in consideration of the characteristics of each equipment for shooting, we tested using multiple types of various in-cameras. In order to investigate the effects of the light environment in advance, an LED lighting device SH8117LDR (manufactured by Oderick) was installed in the darkroom, with a range of 424 to 541x for white light and a range of 204 to 281x for yellow light. Measurement was performed by changing the illuminance in four steps in the range of 226 to 331x for blue light.
Thirty kinds of pigments, which are often used in cosmetics, were coated on black paper and used as samples. Images taken with various in-cameras under different lighting environments were measured in units of 11×11 pixels using Corel PaintShop Pro 2020 (64-bit) software, and changes were observed in the Lab color space. Among the results of 10 measurements under each light environment, the equipment used for the in-camera shooting test was iPad mini (registered trademark) (manufactured by Apple) and iPhone 7 (registered trademark) (manufactured by Apple). , Let's Note CF-XZ6 (manufactured by Panasonic), Xperia10mk2 (manufactured by Sony), and PowerShot G9X (manufactured by Canon) as a digital camera for comparison.
Moreover, it does not contain titanium oxide as a pigment. The free titanium oxide includes a pigment-grade titanium oxide pigment having an average particle size of 0.1 to 0.3 μm and a titanium oxide pigment surface-treated with a resin or an inorganic compound.

(selection result)
Pigments that are not suitable for web conferencing are talc, sericite, mica, and kaolin, as they are easily affected by the light environment when shooting, and the in-camera reacts excessively and the image displayed on the display is completely different from what you see with your eyes. Met.
On the other hand, pigments suitable for web conferencing are zinc oxide, calcium sulfate, boron nitride, cellulose powder, metallic soap, and synthetic mica, as they are not easily affected by the light environment and the in-camera judges the colors to be similar to those seen by the naked eye. and its composite powder, surface-treated powder, and titanium oxide.
Talc, sericite, and mica, which were selected as pigments unsuitable for web conferences, are pigments that form the framework of conventional base makeup formulations. Therefore, the cosmetic composition for photographing by web conferencing using the in-camera of the present invention was developed based on the above-mentioned compatible raw materials.

(pigment)
Therefore, the pigments used in the present invention are mainly pigments selected from zinc oxide, calcium sulfate, boron nitride, cellulose powder, metallic soap, synthetic mica, and their composite powders and surface-treated powders.
Metal soaps (surfactant metal salt powders) include zinc stearate, aluminum stearate, calcium stearate, magnesium stearate, zinc myristate, magnesium myristate, zinc cetylphosphate, calcium cetylphosphate, sodium zinc cetylphosphate, and the like. mentioned.

Other pigments to be used in combination are not particularly limited as long as they can be used in cosmetics, and those having a primary particle size of 0.1 μm to 100 μm are preferable, and their shapes are spherical, rod-like, substantially spherical, and spindle-like. , indefinite shape or plate shape. Among them, inorganic pigments, colored pigments, pearl pigments, metal powder pigments and the like can be mentioned.
Inorganic pigments that can be used in combination include zirconium oxide, cerium oxide, magnesium oxide, barium sulfate, magnesium sulfate, calcium carbonate, magnesium carbonate, talc, mica, kaolin, sericite, muscovite, synthetic mica, phlogopite, red mica, and black. Mica, lepidolite, silicic acid, anhydrous silicic acid, aluminum silicate, magnesium silicate, magnesium aluminum silicate, calcium silicate, barium silicate, strontium silicate, metal tungstate, hydroxyapatite, vermiculite, hydilite, bentonite, montmorillonite, hectorite, zeolite, ceramics powder, dicalcium phosphate, alumina, aluminum hydroxide, silica, fine particles of titanium oxide, fine particles of zinc oxide, fine particles of cerium oxide, and the like.
Colored pigments that can be used in combination include inorganic red pigments such as iron oxide, iron hydroxide and iron titanate, inorganic brown pigments such as γ-iron oxide, inorganic yellow pigments such as yellow iron oxide and ocher, black iron oxide, inorganic black pigments such as carbon black; inorganic purple pigments such as manganese violet and cobalt violet; inorganic green pigments such as chromium hydroxide, chromium oxide, cobalt oxide and cobalt titanate; Examples include lakes of tar-based pigments, lakes of natural pigments, synthetic resin powders obtained by combining these powders, and the like.
Pearl pigments that can be used in combination include titanium oxide-coated mica, titanium oxide-coated mica, bismuth oxychloride, titanium oxide-coated bismuth oxychloride, titanium oxide-coated talc, fish scale foil, titanium oxide-coated colored mica, titanium oxide/iron oxide-coated mica, Titanium oxide-coated plate glass, titanium oxide-coated plate-like alumina, titanium oxide-coated synthetic mica, and the like can be used.
Metal powder pigments that can be used in combination include aluminum powder, copper powder, and stainless steel powder.

Since the cosmetic of the present invention can use zinc oxide, calcium sulfate, boron nitride, and other pigments with a high refractive index, sufficient hiding power can be imparted without containing titanium oxide. Therefore, titanium oxide may or may not be contained.

(talc, sericite, mica and mica)
In the present invention, it is sufficient that the cosmetic can be completed with only pigments selected from zinc oxide, calcium sulfate, boron nitride, cellulose powder, metallic soap, synthetic mica, and composite powders and surface-treated powders thereof. However, for sensory reasons, usability, etc., this may not always be the case.
Therefore, cosmetics made only of pigments selected from zinc oxide, calcium sulfate, boron nitride, cellulose powder, metal soap, synthetic mica and their composite powders, surface treatment powders, and titanium oxide, talc, which is susceptible to the light environment, are used. , sericite, mica and mica. Then, it was investigated whether the image quality of the image captured by the in-camera is acceptable even if the amount of talc or the like is added. As a result, it was found that when the content of talc, sericite, mica and mica exceeds 40% by mass based on the solid content of the cosmetic, the image quality is significantly lowered. Therefore, even when one or more of talc, sericite, mica and mica are contained, it is necessary to make them 40% by mass or less in the total pigment. Also, it is not necessary to contain talc or the like.
The total content of talc, sericite, mica and mica is preferably 30% by mass or less in all pigments, more preferably 20% by mass or less in all pigments, and 10% in all pigments. It is more preferably not more than 5% by mass, and most preferably not more than 5% by mass of the total pigment.
The mica and the synthetic mica described below are different in composition and the like, and the mica does not include the synthetic mica.

The cosmetic of the present invention contains one or more powders selected from zinc oxide, calcium sulfate, boron nitride, cellulose powder, metallic soap, synthetic mica, composite powders thereof, and surface-treated powders. Preferred are composite powders of zinc oxide, calcium sulfate and boron nitride, particularly 1) a composite powder comprising 60 to 90 parts by mass of zinc oxide and 10 to 40 parts by mass of boron nitride, and 2) 60 to 90 parts by mass of zinc oxide. 3) 60 to 90 parts by mass of calcium sulfate and 10 to 40 parts by mass of boron nitride, 4) 60 to 90 parts by mass of metallic soap and 10 to 40 parts by mass of boron nitride. A composite powder consisting of
Examples of methods for complexing these pigments include mechanical grinding, agglomeration, and the use of a fixing agent. Examples of surface-treated powders include the NEOWHITE series manufactured by Daito Kasei Kogyo Co., Ltd. For reference, FIG. 1 shows an electron micrograph of a composite powder composed of 60 to 90 parts by mass of surface-treated zinc oxide and 10 to 40 parts by mass of boron nitride.
To form a more uniform decorative coating film by eliminating the difference in adhesion and slipperiness of cosmetics due to pigments when using a composite powder, and to further improve the uniformity of the decorative coating film. can be done.
In the cosmetic composition of the present invention, one or more powders selected from zinc oxide, calcium sulfate, boron nitride, cellulose powder, metallic soap, synthetic mica, composite powders thereof and surface-treated powders are contained in all pigments. The amount is relatively preferably 50% by mass or more, preferably 60% by mass or more, more preferably 70% by mass or more, still more preferably 80% by mass or more, and most preferably 90% by mass or more.

In addition, as a result of evaluation, resin powder such as elastomer was positioned between the pigments that are not suitable for the above-mentioned web conference and the pigments that are suitable. Since it is suitable for the purpose of doing so, it can be contained within the permissible range of the in-camera.

(elastomer particles)
Elastomer particles that can be used in the present invention include particles of known elastomers such as silicone elastomers, organopolysiloxane elastomers, polystyrene elastomers, polyethylene elastomers, polypropylene elastomers, polyurethane elastomers, polyester elastomers, polyamide elastomers, and polyvinyl chloride elastomers. and preferably silicone elastomer spherical powder can be used. The average particle size of the elastomer particles is preferably 1-20 μm, more preferably 8-15 μm. The surface of the elastomer may or may not be treated with another material, but a silicone elastomer coated with a silicone resin is particularly preferred. Further, the elastomer may be impregnated with an oil agent such as dimethicone. Preferred examples of silicone elastomer particles include the KSP series manufactured by Shin-Etsu Chemical Co., Ltd.
When the elastomer particles are contained, the content of the elastomer particles with respect to 100 parts by mass of the "zinc oxide, calcium sulfate, boron nitride, cellulose powder, metal soap, synthetic mica and its composite powder, and surface-treated powder" of the present invention is It is preferably 0.5 to 10 parts by mass, more preferably 1 to 5 parts by mass.

The pigment used in the present invention is preferably subjected to various surface treatments. Examples of the surface treatment include water-repellent treatment, hydrophilic treatment, and oil-repellent treatment, and treatment with natural products and plant components is particularly preferred. The amount of surface treatment is preferably 1.0 to 5.0 mass % with respect to the mass of the pigment. Examples of treatments include inorganic oxide treatment, fluorine compound treatment, silicone resin treatment, silicone treatment, pendant treatment, silane coupling agent treatment, titanium coupling agent treatment, oil treatment, N-acylated lysine treatment, and polyacryl. Acid treatment, metal soap treatment, amino acid treatment, plasma treatment, mechanochemical treatment and the like can be mentioned.

The cosmetic of the present invention may be in either solid or liquid form. And, it includes foundation, liquid foundation, concealer and the like, among which foundation and liquid foundation are preferable.

The cosmetic of the present invention can contain various components conventionally used in cosmetics as components other than pigments. For example, ultraviolet absorbers, bioactive ingredients, oils, surfactants, fluorine compounds, resins, viscous agents, preservatives, fragrances, moisturizers, salts, solvents, antioxidants, chelating agents, neutralizers, pH adjusters, Ingredients such as insect repellants can be used.

As the UV absorber, UV absorbers commonly used in cosmetics may be used, for example, salicylic acids such as homomenthyl salicylate, octyl salicylate, triethanolamine salicylate; para-aminobenzoic acid, ethyldihydroxypropyl para-aminobenzoic acid, glyceryl para-aminobenzoic acid. , octyldimethyl para-aminobenzoic acid, amyl paradimethylaminobenzoate, 2-ethylhexyl paradimethylaminobenzoate, PABA series such as hexyl paradimethylaminobenzoate; 4-(2-β-glucopyranosiloxy)propoxy-2- Hydroxybenzophenone, dihydroxydimethoxybenzophenone, sodium dihydroxydimethoxybenzophenone disulfonate, 2-hydroxy-4-methoxybenzophenone, hydroxymethoxybenzophenone sulfonic acid and its trihydrate, sodium hydroxymethoxybenzophenone sulfonate, 2-hydroxy-4-methoxybenzophenone- 5-sulfuric acid, 2,2'-dihydroxy-4-methoxybenzophenone, 2,4-dihydroxybenzophenone, 2,2'4,4'-tetrahydroxybenzophenone, 2,2'-dihydroxy-4,4'-dimethoxybenzophenone , benzophenones such as 2-hydroxy-4-N-octoxybenzophenone; glyceryl mono-2-ethylhexanoate di-paramethoxycinnamate, methyl 2,5-diisopropylcinnamate, 2,4,6-tris [ 4-(2-ethylhexyloxycarbonyl)anilino]-1,3,5-triazine, bisethylhexyloxyphenol methoxyphenyltriazine, tris-bisphenyltriazine, methylenebisbenzotriazolyltetramethylbutylphenol, trimethoxycinnamic acid Cinnamic acids such as methylbis(trimethylsiloxy)silylisopentyl, isopropyl para-methoxycinnamate/diisopropyl cinnamate ester mixture, octyl para-methoxycinnamate, diethanolamine para-methoxyhydrocinnamate; 2-phenyl-benz Benzoylmethanes such as imidazole-5-sulfuric acid, 4-isopropyldibenzoylmethane, 4-tert-butyl-4'-methoxydibenzoylmethane; 2-ethylhexyl 2-cyano-3,3-diphenylprop-2-enoate; Ester (also known as octocrylene), dimethoxybenzylidene dioxoimidazolidinepropionate 2-e tylhexyl, 1-(3,4-dimethoxyphenyl)-4,4-dimethyl-1,3-pentanedione, cinoxate, methyl-O-aminobenzoate, 2-ethylhexyl-2-cyano-3,3-diphenyl acrylate, 3-(4-methylbenzylidene)camphor, octyltriazone, 2-ethylhexyl 4-(3,4-dimethoxyphenylmethylene)-2,5-dioxo-1-imidazolidinepropionate, polymeric derivatives thereof, and silane derivatives and the like.

Examples of physiologically active ingredients that can be used include known ingredients that can be contained in cosmetics, such as Angelica keiskei koidz. extract, avocado extract, amacha extract, Althea extract, arnica extract, aloe extract, apricot extract, apricot core extract, and ginkgo biloba extract. , turmeric extract, oolong tea extract, ageitsu extract, Echinashi leaf extract, Scutellaria root extract, Phellodendron bark extract, barley extract, hypericum extract, dead nettle extract, Dutch mustard extract, orange extract, dried seawater, hydrolyzed elastin, hydrolyzed wheat powder, water Decomposed silk, firethorn extract, chamomilla extract, carrot extract, wormwood extract, karkade extract, kiwi extract, cinchona extract, cucumber extract, guanosine, gardenia extract, kumazasa extract, clara extract, walnut extract, grapefruit extract, clematis extract, chlorella extract, Mulberry extract, gentian extract, black tea extract, yeast extract, burdock extract, fermented rice bran extract, rice germ oil, comfrey extract, collagen, cowberry extract, rhinoceros extract, rhinoceros extract, rhinoceros Tai extract, salvia extract, soapwort extract, bamboo extract, Hawthorn extract, Japanese pepper extract, shiitake extract, rhubarb extract, rhizome extract, perilla extract, linden extract, meadowsweet extract, peony extract, calamus root extract, white birch extract, horsetail extract, ivy extract, hawthorn extract, elderberry extract, yarrow extract , peppermint extract, sage extract, mallow extract, cnidium extract, assembly extract, soybean extract, turmeric extract, thyme extract, cypress extract, chimp extract, angelica root extract, calendula officinalis extract, tonin extract, spruce extract, dokudami extract, tomato extract, natto extract, carrot extract, garlic extract, wild rose extract, hibiscus extract, bakumondou extract, lotus extract, parsley extract, honey, parietalia extract, buckwheat extract, bisabolol, coltsfoot extract, coltsfoot extract, bukuryo extract, butcher bloom extract, grape extract, propolis, loofah extract, safflower extract, peppermint extract, bodaiju extract, botan extract, hop extract, pine extract, skunk cabbage extract, soapberry extract, peach extract, cornflower extract, eucalyptus extract, Saxifrage extract, yuzu extract, coix seed extract, mugwort extract, lavender extract, lettuce extract, lemon extract, astragalus extract, rose extract, Roman chamomile extract, royal jelly extract, collagen hydrolyzate, elastin hydrolyzate, chitin, chitosan, hydrolyzed eggshell membrane, etc. hormones such as estradiol and ethenyl estradiol; alanine, glycine, valine, leucine, isoleucine, serine, threonine, phenylalanine, arginine, lysine, aspartic acid, glutamic acid, cystine, cysteine, methionine, tryptophan moisturizing agents such as amino acids such as amino acids, urea, sodium pyrrolidonecarboxylate, betaine, and whey; ; vitamins such as vitamins A, B2, B6, C, D, K, vitamin C derivatives such as vitamin C glycosides; hyaluronic acid and its salts, chondroitin sulfate and mucopolysaccharides such as its salts; Hydroxy acids such as acid, lactic acid, malic acid, tartaric acid, and salts thereof, calcium pantothenate, biotin, nicotinamide, allantoin, diisopropylamine dichloroacetate, γ-aminobutyric acid, γ-amino-β-hydroxybutyric acid, mevalon Cell activators such as acid, N-methylserine, 4-aminomethylcyclohexanecarboxylic acid, ceramide, cholesterol and cholesterol derivatives; Blood circulation promoters such as γ-oryzanol; Wound healing agents such as retinol and retinol derivatives; Hinokitiol, garlic iodide extract, pyridoxine hydrochloride, nicotinic acid, nicotinic acid derivatives, calcium pantothenate, D-pantothenyl alcohol, acetylpantothenyl ethyl ether, biotin, allantoin, isopropyl methylphenol, estradiol, ethinyl estradiol, capronium chloride, benzalkonium chloride, diphenhydramine hydrochloride, takanal, camphor, salicylic acid, nonylic acid vanillylamide, nonanoic acid vanillylamide, piroctone olamine, glyceryl pentadecanoate; cooling agents such as L-menthol and camphor;

Since the cosmetic of the present invention is composed of a pigment having a high refractive index, it has different optical properties from conventional cosmetics that provide hiding power only with titanium oxide. Therefore, a makeup base containing silicone elastomer powder can be applied as a makeup base, and then the cosmetic of the present invention can be applied from above. In this case, due to the effects of light refraction and scattering, the resulting decorative coating film has excellent white porcelain-like transparency and uniformity. A makeup base that originally contains silicone elastomer powder has the function of brightening the makeup coating film and imparting a sense of transparency. be done.

(Evaluation of cosmetics)
Cosmetics are applied to Bioskin Doll (manufactured by Purax), the light environment is changed in a dark room using the above-mentioned LED lighting device, and when light hits from behind and when light hits the face, We investigated how the impression of cosmetics applied to each half of the doll's face changed. The obtained image was converted to a size of 640×480 pixels using the image software described above, and the image quality was adjusted by stretching the face portion.
The equipment used for the test is the result of iPad mini (registered trademark) (manufactured by Apple) and Let's Note CF-XZ6 (manufactured by Panasonic) from the comparison of the image of applying the conventional foundation using Bio Skin Doll. Since it was determined that these two models could be representative, the subsequent tests were conducted using these two models. Further, the test was performed in a light environment in which the illuminance was changed in three stages within the range of illuminance described above, and the judgment was carried out visually.

Test Results The results of the selection of each pigment described above were also reproduced in tests using the Bioskin Doll, and yellow light, in particular, had a strong effect on image quality in the case of low illuminance.
With conventional foundations containing large amounts of talc, sericite, and mica, image quality varied greatly depending on all factors such as model and light environment. A foundation composed mainly of pigments selected from zinc oxide, calcium sulfate, boron nitride, cellulose powder, metallic soap, synthetic mica and its composite powder, and titanium oxide provides almost the same stable image quality as the actual color development. rice field. In addition, even if the in-camera image looks good, it may look different to the naked eye. Although the composition of the foundation, which is mainly composed of pigments that contain pigments, is significantly different from that of conventional cosmetics, it was possible to make beautiful makeup. Further, it was found that even if the illuminance is the same when the light hits from the front and when the light hits from the rear, the image quality deteriorates more when the light hits from the rear.

EXAMPLES The present invention will be described in more detail with reference to examples below, but the present invention is not limited to these examples.
(Example)
Prepare the foundation of the cosmetic composition for photographing by Web conference using the in-camera of the present invention and the conventional foundation, apply silicone elastomer to the front of the mannequin's face, and then apply the silicone elastomer to the front face of the mannequin. A conventional foundation was applied to the right half, and a foundation (development product) according to the present invention was applied to obtain a sample for measurement. A total of 7 applications of foundation were applied per test by a trained makeup professional. The measured values of the conventional product and the developed product were averaged to obtain the results shown in the table below.
Conventional foundation formula:
Talc with an average particle size of 7.0 to 11.0 μm (JA-46R (Miyoshi Kasei Co., Ltd.)) 27% by mass, SI01-2 SERICITE FSE (sericite) 60% by mass, siliconized TiO2 CR-50 (titanium oxide) 10 90 parts by weight of a color powder consisting of 2% by weight of silicone-treated yellow iron oxide, 0.6% by weight of silicone-treated red iron oxide, 0.3% by weight of silicone-treated black iron oxide, and 0.1% by weight of methylparaben, and dimethicone A foundation comprising 10 parts by mass of a binder comprising 90% by mass and 10% by mass of trimethylsiloxysilicate.
Formulation of the foundation of the developed product (corresponding to the cosmetic of the present invention):
A mixture of 75% by mass of zinc oxide and 25% by mass of boron nitride was treated with 3% by mass of sodium lauroyl glutamate, lysine and magnesium chloride in an aqueous system to obtain a zinc oxide-based composite pigment.
Zinc oxide-based composite pigment 40.0% by mass, CELLULOBEADS D-5 (cellulose, manufactured by Daito Kasei Kogyo) 5.0% by mass, magnesium stearate 2.0% by mass, zinc stearate 2.0% by mass, magnesium stearate 5.0% by mass of treated calcium carbonate, 43.0% by mass of silicone-treated synthetic mica, 2.0% by mass of silicone-treated yellow iron oxide, 0.6% by mass of silicone-treated red iron oxide, 0.3% by mass of silicone-treated black iron oxide, A foundation comprising 92 parts by mass of a color powder comprising 0.1% by mass of methylparaben and 8 parts by mass of a binder comprising 90% by mass of dimethicone and 10% by mass of trimethylsiloxysilicate.
The front of the face of the mannequin, which is a sample for measurement, is taken with the iPad Mini (registered trademark) (A1550), the in-camera of Let'Note (registered trademark) (CF-XZ6), and the front camera of iPhone SE2 (registered trademark). I took a picture.
The lighting of the room at the time of photographing was set to three kinds of white light of a fluorescent lamp, light bulb color of a fluorescent lamp, and daylight color of a fluorescent lamp.
In the case of white light, the illuminance (lux (lx)) on the face surface is divided into three types of S (661 (lux)), M (315 (lux)), and W (80.5 (lux)). taken under the following conditions: FIG. 2 shows the spectrum of white light.
In the case of incandescent light, the illuminance (lux (lx)) on the face surface is divided into three types of S (309 (lux)), M (147 (lux)), and W (37.3 (lux)). taken under the following conditions: FIG. 3 shows the spectrum of light bulb color.
In the case of daylight white light, the illuminance (lux (lx)) on the face surface is divided into three types of S (356 (lux)), M (169 (lux)), and W (44.3 (lux)). Photographed under each condition. FIG. 4 shows the spectrum of daylight white light.
The image quality of the obtained image data was reduced to 640×360, and the average value of 11×11 pixels of the cheek portion of the mannequin was measured.
The results of photographing with the in-camera of iPad Mini (registered trademark) are shown in Tables 1-3 below, and the results of photographing with the in-camera of Let'Note are shown in Tables 4-6 below.
(Reference example)
As a reference example, an image was taken with the front camera of iPhone SE2 (registered trademark) (MX9T2J/A) and PowerShot (G9X), and the color was measured in the same manner as in the example.
Tables 7 to 9 below show the results of photographing with the iPhone SE2 (registered trademark) front camera, and Tables 10 to 12 below show the results of photographing with PowerShot.

In Tables 1 to 3, both the conventional product and the developed product (cosmetics in line with the present invention) reflect the colors of white light, incandescent light and daylight color, respectively, and between different lights, the conventional product and the developed product The values of a and b are different for each product.
In Tables 1 to 3, the measurement results of the L value of the developed product under white light are 51 for S, 51 for M, and 52 for W, with a maximum difference of only 1 between each value. there were. Similarly, the maximum values differed by 1 and 9 for incandescent light and daylight color light, respectively.
On the other hand, the measurement results of the L value of the conventional product under white light were 35 for S, 40 for M, and 45 for W, with a maximum difference of 10 among the values. Similarly, the maximum values differed by 7 and 13 for incandescent light and daylight color light, respectively.

Similarly, the measurement result of the a value of the developed product under white light environment was 3 for S, 4 for M, and 7 for W, and the maximum difference between each value was only 4. . Similarly, the maximum values differed by 3 and 6 for incandescent light and daylight color light, respectively.
On the other hand, the measurement result of the a value of the conventional product under the environment of white light was 4 for S, 5 for M, and 6 for W, and there was a maximum difference of 2 between each value. Similarly, the maximum values differed by 3 and 6 for incandescent light and daylight color light, respectively.

The measured b-value of the developed product in a white light environment was 14 for S, 16 for M, and 16 for W, with only a maximum difference of 2 between each value. Similarly, the maximum values differed by 1 and 7 for incandescent light and daylight color light, respectively.
On the other hand, the measurement result of the b value of the conventional product under white light environment was 13 for S, 15 for M, and 16 for W, and there was a maximum difference of 3 between each value. Similarly, the maximum values differed by 1 and 7 for incandescent light and daylight color light, respectively.

In Tables 4 to 6, both the conventional product and the developed product (cosmetics according to the present invention) reflect the colors of white light, incandescent light, and daylight color. Both the developed products have different values of a and b.
The measurement results of the L value of the developed product under a white light environment were 56 for S, 55 for M, and 55 for W, with a maximum difference of only 1 between the values. Similarly, the maximum values differed by 4 and 6 for incandescent light and daylight color light, respectively.
On the other hand, the measurement results of the L value of the conventional product under the environment of white light were 44 for S, 42 for M, and 42 for W, and there was a maximum difference of 2 between each value. Similarly, the maximum values differed by 12 and 9 for incandescent light and daylight color light, respectively.

Similarly, the measurement results of the a value of the developed product under a white light environment were 6 for S, 6 for M, and 6 for W, and all values were the same. Similarly, the maximum values differed by 6 and 1 for incandescent light and daylight color light, respectively.
On the other hand, the measurement result of the a value of the conventional product under the environment of white light was 7 for S, 6 for M, and 6 for W, and there was a maximum difference of 1 among each value. Similarly, the maximum values differed by 5 and 3 for incandescent light and daylight color light, respectively.

The b-value measurement results of the developed product under a white light environment were 11 for S, 11 for M, and 12 for W, with a maximum difference of only 1 between each value. Similarly, the values were the same for bulb-colored light and daylight-colored light.
On the other hand, the measurement results of the b value of the conventional product under white light were 17 for S, 17 for M, and 17 for W, and each value was the same. Similarly, the incandescent color light was 5 different, and the daylight color light was 3 different.

From the above, according to the cosmetic composition for photographing by Web conference using the in-camera of the present invention, in photographing with iPad (registered trademark), even if the illuminance is different under the environment of each light source, the L value on the image did not change significantly. The a value and b value did not change significantly even under different illuminance conditions. Also, when comparing the light sources, the a value and the b value slightly changed, but L did not change greatly.
In addition, even when the illuminance was different under the environment of each light source, the L value did not change greatly on the image even in the shooting with Let'Note. The a value and b value did not change significantly even under different illuminance conditions. Also, when comparing the light sources, the a value and b value slightly changed, but the L value did not change greatly. On the other hand, when the conventional product was used, especially when daylight color light was used as the light source, the L value varied greatly between different illuminances.

According to Tables 7 to 9 and Tables 10 to 12, which are reference examples, when using the iPhone SE2 (registered trademark) front camera (not the in-camera) or the digital camera PowerShot, there is a difference between the conventional product and the developed product. In particular, the difference in the L value between the two was small (perhaps because of the sensitivity characteristics of the PowerShot in the dark due to the light source, the L value decreased at illuminance W other than white light). According to this result, it can be seen that the use of a camera with a certain degree of excellent shooting performance does not pose the problem of shooting with the in-camera.
Furthermore, the L value measurement results of the developed products shown in Tables 1 to 6 were close to the L value measurement results of the developed products shown in Tables 7 to 9 and Tables 10 to 12.
According to these results, when you hold a web conference using the in-camera while wearing make-up with the developed product, even if the type and illuminance of the light source at the time of shooting are different, on the other party's display, The L value, a value and b value do not differ greatly. As a result, it can be seen that stable display can be achieved.
On the other hand, when makeup was applied using conventional products, the L value on the other party's display, in particular, differed significantly when the type and illuminance of the light source during photography differed. According to the results, it can be seen that the conventional product cannot display stably.

Claims (5)

As a pigment, one or more powders selected from zinc oxide, calcium sulfate, boron nitride, cellulose powder, metal soap, synthetic mica and its composite powder, surface treatment powder, talc, sericite, mica and mica The total content of is 40% by mass or less in all pigments, and does not contain titanium oxide. 2. The cosmetic composition for photographing by web conference with an in-camera according to claim 1, wherein the composite powder is composed of two or more kinds selected from zinc oxide, calcium sulfate, boron nitride and metallic soap. It contains a composite powder of zinc oxide, calcium sulfate, and boron nitride, and the composite powder is 1) a composite powder composed of 60 to 90 parts by mass of zinc oxide and 10 to 40 parts by mass of boron nitride, and 2) 60 to 60 parts by mass of zinc oxide. 3) a composite powder consisting of 90 parts by weight of calcium sulfate and 10 to 40 parts by weight of calcium sulfate; 3) a composite powder of 60 to 90 parts by weight of calcium sulfate and 10 to 40 parts by weight of boron nitride; 3. The cosmetic composition for photographing by an in-camera Web conference according to claim 1 or 2, which is one or more selected from 1) to 4) of a composite powder comprising 10 to 40 parts by mass of boron nitride. The in-camera web according to claim 3, wherein the composite powder according to claim 3 is water-repellent treated with 1 to 5 parts by mass of a surface treatment agent with respect to 100 parts by mass of the composite powder. Cosmetic composition for photography by a meeting. A makeup method that combines a base material containing silicone elastomer powder and the cosmetic composition for photographing by an in-camera Web conference according to any one of claims 1 to 4.

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