207results about How to "Good whitening effect" patented technology

The preparation method comprises the following steps: mixing saccharomycetes, lactic acid bacteria and bacillus subtilis according to a ratio of 1: 1: 1 to obtain mixed bacteria; 0.25 g of mixed bacteria is taken and dissolved in 5 mL of sterile water for standby application; slicing and crushing the dried rhizoma polygonati, and sieving with a 10-mesh sieve to obtain rhizoma polygonati powder; the preparation method comprises the following steps: mixing water and rhizoma polygonati powder according to a liquid-material ratio of 10mL: 1g, sterilizing at 121 DEG C for 30min, cooling, adding mixed bacteria according to an inoculum size of 3% of the mass of rhizoma polygonati, culturing in a constant-temperature shaking table incubator at 120r. Min <-1 > for 72h at the culture temperature of 035 DEG C, sterilizing at 100 DEG C for 30min after fermentation, cooling and centrifuging to obtain rhizoma polygonati fermentation liquor, and storing at 4 DEG C. The prepared polygonatum sibiricum fermentation liquor is high in active ingredient content, has good cell safety, anti-oxidation, anti-inflammatory and whitening effects, and has the potential of being used for developing functional raw materials of traditional Chinese medicine cosmetics.

The invention discloses cyclic nonapeptide-1 as well as a preparation method and application thereof, belongs to the technical field of synthesis and application of cyclic peptides, and particularly relates to a functional cyclic peptide with a cyclic structure, which is prepared by activating an amino acid reagent to obtain a linear peptide containing a protecting group and then cyclizing the linear peptide. The functional cyclic peptide prepared by the invention has the advantages of good moisturizing effect, good anti-wrinkle effect, good tightening effect, good soothing effect, good neurotransmitter release inhibition effect and good whitening effect. After the linear peptide is prepared into the functional cyclic peptide, the permeability, the stability and the activity are improved, and the irritation is reduced.

The invention relates to the technical field of cosmetics, and particularly discloses a composition with after-sun repairing and whitening effects and a preparation method thereof. According to the present invention, various efficient components such as the ergothioneine compound, the acetylchitosamine, the nicotinamide, the sodium hyaluronate, the inositol, the aloe vera extract, the glycerophosphoinositide choline salt, the tetrahydromethylpyrimidine carboxylic acid, the oat beta-glucan compound, the citrus peel extract compound and the skin brightening agent are scientifically matched; according to the present invention, the excellent after-sun repairing and whitening effect is achieved, the comprehensive after-sun skin care is achieved, the skin state can be improved, and the skin health degree can be improved. The application creatively finds that when the glycerophosphoinositide choline salt, the citrus peel extract compound and the skin brightening agent are compounded, the effects of the composition in the aspects of after-sun repairing and whitening can be improved at the same time, and the comprehensive effect is relatively good.

The invention relates to the technical field of daily chemicals, in particular to a white tomato whitening and repairing composition as well as a preparation method and application thereof. The composition comprises the following components in percentage by mass: 68-85% of jojoba oil, 10-25% of squalane and the balance of white tomato extract, wherein the total percentage is 100%. The white tomatoes are rich in colorless carotenoids (such as phytoene and tetrahydrolycopene), and have excellent antioxidant and whitening capabilities: melanin formation is inhibited, and the colorless carotenoids can inhibit tyrosinase activity, reduce melanin generation and fundamentally whiten the skin. Pigmentation caused by ultraviolet rays can be relieved through the anti-oxidation effect, and the color spots are prevented and faded. The skin color can be brightened after continuous use, so that the skin presents natural luster.

The invention discloses eye cream containing a composition capable of improving eye skin problems and a preparation method of the eye cream, and belongs to the technical field of cosmetics. The eye cream provided by the invention contains a repairing composition, and the repairing composition is prepared from the following raw materials: an acer rubrum extract, a zingiber zingiberensis extract, a dendrobium officinale extract, a North American arbor pine bark extract and an epilobium fragile extract. The repairing composition provided by the invention has the effects of resisting aging, fading wrinkles and improving the migration rate of skin cells, and the whole repairing composition is mild and non-irritant; when being applied to the eye cream, the repairing composition can effectively resist aging, lighten wrinkles, improve skin elasticity and increase the water content of cuticle. In addition, the composition provided by the invention is natural in component source, simple in preparation method and suitable for actual production.

The invention relates to a nano-structure lipid carrier containing hydroxyresveratrol, which can effectively coat hydroxyresveratrol by virtue of the nano-structure lipid carrier composed of specific components and proportions, so that hydroxyresveratrol can be effectively transferred to the deep layer of skin so as to enhance the whitening effect.

The invention belongs to the field of daily chemicals, and discloses a liposome with high coating rate and anti-aging efficacy, which comprises 0.01-3 wt% of oil soluble substance, 1-5 wt% of liquid-solid mixed grease, 1-10 wt% of phospholipid, 1-10 wt% of surfactant, 10-30 wt% of polyol and 45-70 wt% of deionized water, the oil soluble substances comprise tetrahydrocurcumin and pterostilbene; the weight ratio of the tetrahydrocurcumin to the pterostilbene is (0.5-10): 1; the liquid-solid mixed grease consists of liquid grease and solid grease; the weight ratio of the liquid grease to the solid grease is (0.5-3): 1. According to the liposome, the liquid-solid mixed grease is matched with the tetrahydrocurcumin and the pterostilbene for common use, the liquid-solid mixed grease, the tetrahydrocurcumin and the pterostilbene form an amorphous mixture, the crystallinity of oil-soluble substances is reduced, crystallization separation is effectively inhibited, and the tetrahydrocurcumin and the pterostilbene can stably exist in the liposome. Meanwhile, the invention further provides a preparation method, application and cosmetics of the liposome.

The invention relates to a long-acting whitening and blackening-free composition containing glabridin and pterostilbene and application of the long-acting whitening and blackening-free composition, and belongs to the technical field of whitening cosmetics. The composition provided by the invention is prepared from the following components in parts by weight: 0.005 to 0.1 part of glabridin, 0.03 to 0.4 part of pterostilbene, 0.02 to 0.2 part of herba centellae extract, 0.0005 to 0.005 part of palmitoyl tripeptide-8 and 0.01 to 0.1 part of sodium hyaluronate. The application of the composition provided by the invention comprises the following steps: (1) preparing a phase A containing an inclusion empty shell; (2) dissolving glabridin, pterostilbene and palmitoyl tripeptide-8 to obtain a phase B; dissolving the centella asiatica extract and sodium hyaluronate to obtain a phase C; (3) adding the phase A and the phase C into the phase B, and uniformly mixing to obtain an inclusion phase; and (4) compounding the inclusion phase with a cosmetic base material. The composition provided by the invention integrates melanin regulation and control and skin barrier repair, enhances the whitening effect through targeted transmission and inclusion slow release, prolongs the blackening time, and has a very good application prospect in the whitening cosmetic industry.

The invention relates to a skin-cleaning composition and application thereof in cleaning cream, and belongs to the technical field of daily chemicals, the skin-cleaning composition comprises the following raw materials: plant fermentation liquor, a chrysanthemum artemisia extract, silk amino acid, cetyl alcohol ethyl hexanoate, PEG-20 glyceryl triisostearate and soapberry seed oil; the preparation method of the plant fermentation liquid comprises the following steps: S1, pretreating part of the raw materials; s2, activating and culturing the strain; and S3, adjusting the pH value of the mixed solution A, performing temperature-controlled sterilization, cooling, adding mannase, performing temperature-controlled enzymolysis, performing enzyme deactivation after enzymolysis is completed, so as to obtain a mixed solution B, cooling, adding a lactobacillus acidophilus fermentation seed solution and a streptococcus thermophilus fermentation seed solution, performing temperature-controlled standing fermentation, performing temperature-controlled sterilization and speed-controlled centrifugation after fermentation is completed, taking supernate, and performing 0.22 mu m membrane microfiltration, so as to obtain the plant fermentation liquor. The raw materials of the skin-cleaning composition provided by the invention have a synergistic effect, so that the skin-cleaning composition has the effects of moisturizing and whitening while effectively cleaning the skin.

The invention discloses an extracellular vesicle and a preparation method and application thereof, and belongs to the technical field of cosmetics, and the preparation method comprises the following steps: mixing rose and a PBS buffer solution, juicing, and filtering to obtain a filtrate; adding cellulase, xylanase and beta-glucanase into the filtrate, carrying out enzymolysis, and filtering to obtain an enzymatic hydrolysate; and centrifuging the enzymatic hydrolysate, filtering, resuspending and precipitating to obtain the rose extracellular vesicles. The rose extracellular vesicles can guarantee structural integrity and biological activity, can effectively load active ingredients, and can effectively deliver active molecules in the rose extracellular vesicles to target cells through interaction with membranes of skin cells. The extracellular vesicles can be fused with skin cell membranes to enter cells, active ingredients encapsulated by the extracellular vesicles are released, and the absorption efficiency of skin is improved.

The invention relates to a skin care composition with a whitening effect and application of the skin care composition. The skin care composition is prepared from a plant extract, nicotinamide adenine dinucleotide, tetrahydrocurcumin, trehalose, nicotinamide and phenylethyl resorcinol, the plant extract comprises any one or a combination of at least two of a white truffle extract, a perigord truffle extract, a chlorella extract, glabridin or alpha-arbutin. The plant extract, the nicotinamide adenine dinucleotide, the tetrahydrocurcumin, the trehalose, the nicotinamide and the phenethyl resorcinol are creatively combined and matched for use, a synergistic interaction effect is achieved in the whitening aspect, and the composition is mild in performance, free of irritation, safe and free of toxic and side effects and has a good whitening effect after being applied to cosmetic products. The skin whitening effect can be obviously improved, and the good use feeling is achieved.

The utility model discloses a compact flue gas white smoke eliminating tower. Comprising a condensation section, a spraying demisting section and a heating section which are integrally arranged in sequence from bottom to top. The heating section adopts a tubular MGGH heat exchange device, and the tubular MGGH heat exchange device comprises an MGGH flue gas cooler and an MGGH flue gas reheater; in the MGGH flue gas cooler, original high-temperature flue gas is used for heating heat medium water and cooling the flue gas at the same time; and heating the purified flue gas after the water spraying condenser by using the heated heat medium water in the MGGH flue gas reheater, and cooling the heat medium water at the same time. According to the utility model, three white smoke elimination technologies of condensation dehumidification, spray demisting and heating heat exchange are organically combined in one tower, the single tower simultaneously has multiple functions of flow equalization, condensation, demisting, heating, smoke discharge and the like, and compared with a traditional white smoke elimination system with a single technology such as a condensation white smoke elimination tower and a heating white smoke elimination tower, the white smoke elimination system has the advantages of more thorough condensation dehumidification, high smoke discharge temperature, low energy consumption and the like. The white elimination effect is obvious, and the like.

The invention belongs to the technical field of compositions, and particularly relates to a traditional Chinese medicine composition with bacteriostatic, anti-inflammatory, antioxidant and whitening effects and a preparation method and application thereof. The composition provided by the invention comprises the following raw materials in parts by weight: 1-5 parts of rhodiola rosea; 5-10 parts of licorice root; and 1-5 parts of phyllanthus emblica. The composition is obtained by crushing rhodiola rosea, liquorice and phyllanthus emblica into powder raw materials and adding the powder raw materials into an extraction solvent for extraction. Compared with a composition with a single purpose, the composition disclosed by the invention has the effects of inhibiting bacteria, resisting inflammation, resisting oxidation and whitening at the same time, and the four effects of the product can be met at the same time.

The invention belongs to the field of daily chemicals, and discloses a composition with whitening and brightening effects, which comprises a whitening component, a component containing a plant cell culture or extract, and carnosine, the components containing the plant cell culture or extract comprise crithmum maritimum callus culture filtrate and leontopodium alpinum flower / leaf extract; the weight ratio of the crithmum maritimum callus culture filtrate to the leontopodium alpinum flower / leaf extract is (0.01-0.5): (0.01-5). The whitening component, the component containing the plant cell culture or extract and the carnosine are combined, so that the whitening effect and brightening effect of the whitening component can be improved, and the applicability of sensitive skin is improved. Meanwhile, the invention also provides application of the composition.

The invention discloses a whitening anti-oxidation composition which comprises pterostilbene and phenylethyl resorcinol, and the weight ratio of the pterostilbene to the phenylethyl resorcinol is 1: (0.6-1.5). According to the whitening anti-oxidation composition, the anti-oxidation and whitening effects can be remarkably improved, the anti-oxidation and whitening effects are good, and meanwhile the stability is high. According to the invention, lipidosome is adopted for coating, so that the formed cosmetic raw material has better stability and is not easy to yellow in stability detection, and the content retention effect of pterostilbene and phenylethyl resorcinol is better. The composition is applied to whitening and anti-oxidation products and is small in irritation and high in use stability, the whitening and anti-oxidation effects are further improved, the active oxygen removal rate reaches 68% or above, and the melanin inhibition rate reaches 88% or above.

The invention discloses a whitening composition suitable for sensitive skin and capable of improving skin resistance and self-healing power and application of the whitening composition, and belongs to the technical field of cosmetics. The whitening composition provided by the invention is prepared from the following components in parts by mass: 0.1 to 3 parts of mulberry root extract, 0.1 to 3 parts of golden camellia extract, 0.01 to 1 part of wood apple extract, 0.1 to 3 parts of herba andrographitis extract and 0.01 to 1 part of epigallocatechin gallate. According to the whitening composition disclosed by the invention, the components in a proper mass ratio are selected for compounding, and the obtained whitening composition can effectively promote generation and secretion of human beta defensin in a skin barrier, so that the tight connection function of the skin barrier is effectively improved, the resistance of the skin is improved, and the metabolism of the skin can be effectively promoted; the self-healing power of the skin is activated; the skin is mildly whitened.

The invention provides a tooth film. The tooth film comprises a stripping layer, a whitening layer and a backing layer, the stripping layer and the backing layer are polyolefin films; the whitening layer is prepared from the following components in parts by weight: 10 to 20 parts of a modified whitening agent, 15 to 35 parts of a thickening agent, 5 to 10 parts of a humectant, 0.3 to 0.8 part of a stabilizer, 0.1 to 0.5 part of a bacteriostatic agent, 1 to 3 parts of a modified anti-allergic agent and 0.5 to 1.5 parts of a pH regulator. The tooth film prepared by the invention has a good whitening effect, and is non-irritant and good in stability.

The invention discloses a preparation method of a tooth whitening patch and the tooth whitening patch, and relates to the technical field of tooth whitening patches. The preparation method comprises the following steps: mixing pullulan, polyglutamic acid, calcium phosphosilicate, hyaluronic acid, glycerol, phthalimide peroxyacetic acid, water, essence and sweetening agent to form a gel layer; coating the gel layer on the backing layer; after the back lining layer is coated with the gel layer, the gel layer is covered with the thin film layer through a coating machine for film covering treatment, disinfection is conducted after film covering treatment is completed, and the tooth whitening strip is obtained and rolled; and a die-cutting machine is used for rolling the tooth whitening sticker for die cutting, and the tooth whitening sticker is obtained. The gel layer of the tooth whitening patch adopts the Pulullan and the polyglutamic acid as a film forming main body, so that the tooth patch can be attached to teeth more tightly, whitening factors in the tooth patch can be quickly transferred to the teeth, the action time of the whitening factors is prolonged, and the tooth whitening effect is enhanced.

The invention relates to the technical field of tooth cleaning, in particular to a whitening tooth cleaning film and a preparation method thereof. The whitening and tooth cleaning tablet is prepared from the raw materials of a butterfly bean flower extract, the facial cleanser further comprises a pH regulator, a humectant, a cleaning abrasive, a surfactant, a conditioner, an anti-saccharification agent, a whitening agent, a forming agent and a release agent. According to the invention, the butterfly bean flower extract is innovatively introduced into the whitening and tooth cleaning tablet, besides conventional anti-inflammatory and anti-oxidation effects, the butterfly bean flower extract also has the characteristic of whitening teeth, and after the butterfly bean flower extract is added into the raw materials of the whitening and tooth cleaning tablet, the whitening effect of the tooth cleaning tablet on the teeth is obviously improved. Besides, a pH regulator, a humectant, a cleaning abrasive, a surfactant, a conditioner, an anti-saccharification agent, a whitening agent, a forming agent, a release agent and the like are also introduced into the formula, and the raw materials are compounded and matched in multiple directions, so that the prepared whitening and tooth cleaning film has a better whitening effect, and meanwhile, the effect of freshening breath for more than 12 hours can be ensured.

The invention discloses royal jelly acid nano-liposome with antioxidant and anti-inflammatory effects as well as a preparation method and application of the royal jelly acid nano-liposome, and belongs to the technical field of liposome preparation. The royal jelly acid nano-liposome with the antioxidant and anti-inflammatory effects, provided by the invention, comprises the following raw materials in parts by weight: 5-10 parts of lipid, 2-16 parts of an emulsifier, 1-10 parts of a co-emulsifier, 1-5 parts of a stabilizer, 5-10 parts of royal jelly acid, 0.5-1 part of epigallocatechin gallate and 2-10 parts of water. Through the synergistic effect of a plurality of molecular pathways between royal jelly acid and epigallocatechin gallate, expression of pro-inflammatory cytokines and generation of inflammatory mediators can be reduced, meanwhile, active oxygen is removed, inflammatory response caused by oxidative stress is relieved, cytotoxicity is reduced, and the anti-inflammatory effect is achieved. Therefore, the royal jelly acid nano-liposome is endowed with excellent product stability, oxidation resistance and inflammation resistance, and has wide application in preparation of skin care products.

The invention relates to the field of cosmetics, in particular to a whitening composition as well as a preparation method and application thereof. The whitening composition is prepared from the following components in percentage by mass: 0.1 to 1 percent of kava pepper leaf / root / stem extract, 0.5 to 2 percent of pelargonium graveolens flower / leaf / stem extract, 0.1 to 1 percent of terminalia chinensis fruit extract, a solvent and 0.1 to 3 percent of an auxiliary agent. The invention provides a whitening composition as well as a preparation method and application thereof, and aims to develop a whitening composition with a better effect by scientifically proportioning a plurality of natural plant extracts and functional components so as to meet diversified requirements of consumers on whitening products and promote further development and application of the whitening products.

The pterocarpus santalinus extract or pterostilbene is applied to the dual effects of removing acnes and controlling oil. The invention provides a composition for removing acnes and / or controlling oil, wherein the composition comprises a pterocarpus santalinus extract and / or pterostilbene as an active ingredient for removing acnes and / or an active ingredient for controlling oil. The invention also provides application of the pterocarpus santalinus extract and / or pterostilbene in preparation of drugs, cosmetics or skin care products for removing acnes and / or controlling oil. The inventor finds that the pterocarpus santalinus extract and / or pterostilbene serving as a single active component can achieve multiple effects, and the pterocarpus santalinus extract and / or pterostilbene show potential application prospects in the field of modern skin care products with simplified skin care and natural multiple effects.

The invention provides nanoscale ginseng, a preparation method and application thereof and a cosmetic, and relates to the technical field of cosmetics. The preparation method provided by the invention comprises the following steps: carrying out infiltration, microwave radiation pretreatment and dissolution on ginseng to obtain a nano spray drying preparation solution; the nano-scale ginseng is prepared by using a nano spray drying technology. The invention further provides application of the nanoscale ginseng in preparation of cosmetics with anti-inflammatory, anti-oxidation and anti-aging effects. The nanoscale ginseng disclosed by the invention is natural in component, mild and safe, can effectively improve the transdermal absorption of human skin, improve the skin chromaticity and reduce the melanin content of the skin, and can effectively solve the problems of wrinkles and reduced elasticity caused by skin aging. In addition, the preparation method is simple and convenient, and large-scale production and application are facilitated.

This invention discloses a ferroelectric-based teeth whitening material, its preparation method, and its application, belonging to the field of teeth whitening technology. The preparation method of the ferroelectric-based teeth whitening material includes the following steps: S1. Sodium alginate, gelatin, and water are mixed to obtain a first mixed solution; S2. 2,2,3,3,4,4-hexafluoropentane-1,5-diol is added to the first mixed solution, and the mixture is mixed again to obtain a second mixed solution; S3. The second mixed solution is allowed to stand at low temperature, then immersed in a calcium ion aqueous solution for cross-linking and curing to obtain the ferroelectric-based teeth whitening material. The teeth whitening material of this invention enables HFPD molecular crystals to remain stable in a clean water environment for teeth whitening, resulting in excellent teeth whitening effects. The HFPD molecular hydrogel prepared by this invention can achieve a high efficiency degradation of over 95% of indigo carmine within 25 minutes without polarization treatment, with a piezoelectric catalytic reaction rate constant of 0.132 min. ‑1 .

This invention provides a whitening essence oil comprising the following components (wt): 20%-55% rosehip oil, 10%-20% jojoba oil, 10%-20% cocoyl oleate / caprylate, 0.1%-10% meadowfoam seed oil, 5%-15% squalane, 0.1%-10% olive oil, 0.1%-10% evening primrose oil, 0.01%-0.05% glycyrrhizin, 0.1%-1.0% VC-IP, 0.1%-1% tocopheryl acetate, 0.001%-0.1% rose oil, 0.01%-0.05% tetrahydrocurcumin, and 3%-8% rose enzymatic hydrolysate. This invention also provides rose enzymatic hydrolysate as a whitening additive. The whitening essence oil provided by this invention can inhibit melanin production in human skin and has a significant whitening effect.

The invention relates to the technical field of cosmetics, in particular to a rhodiola rosea extract product and a preparation method and application thereof. The rhodiola rosea extraction product is prepared from the following components in parts by mass: 114 to 164 parts of salidroside, 25 to 36 parts of tyrosol and 0.108 to 0.157 part of quercetin. The mass ratio of the salidroside to the total flavonoids in the rhodiola rosea extract product is (8-12): 1. The invention provides a rhodiola rosea extract product which contains salidroside, tyrosol and quercetin with higher concentration under the condition that the content of total flavonoids is not changed basically, so that the whitening effect, the safety and the synergistic interaction effect on nicotinamide and tranexamic acid of the product can be enhanced, and the problem that the application of plant extracts in cosmetics is limited is solved.

The invention discloses a whitening cosmetic composition and application thereof, and relates to the technical field of cosmetics. The cosmetic composition for whitening is prepared from resveratrol and a small molecule dipeptide derivative, wherein the molecular weight of the small molecule dipeptide derivative is 400 to 850Da. According to the cosmetic composition for whitening, the benzylsulfonyl D-seryl high phenylalanine amidino benzylamine acetate and the resveratrol are compounded for use, so that the whitening effect of the resveratrol is improved, and the whitening effect is more remarkable and quicker.

The present invention relates to the technical field of daily chemicals, specifically to an essence with whitening, beauty-enhancing and radiation-resistant functions and a preparation method thereof. Ferric citrate is added to the essence prepared by the present invention, and ferric citrate can enhance the antioxidant capacity of the skin, reduce the damage of oxygen free radicals to the skin, maintain the elasticity and luster of the skin, and achieve the effect of beauty. Soybean polysaccharides are natural and environmentally friendly, can remove free radicals, and improve cell vitality and cell radiation tolerance. Taxifolin has good radiation resistance and antioxidant properties. The essence with whitening, beauty-enhancing and radiation-resistant functions provided by the present invention adopts a variety of natural active ingredients, has good biocompatibility and safety, can effectively improve skin quality, and protect the skin from radiation and oxidation damage.

The invention relates to a composition with effects of caring and relieving sensitive skin and application of the composition in cosmetics. The invention provides the composition containing the citrus fruit extract, the ceramide and the wild soybean seed extract, the composition can balance skin microbial flora and relieve skin, meanwhile, the sunscreen effect is remarkably improved, irritation of chemical preservatives, essence sensitization sources and irritant whitening components (such as nicotinamide) to the skin can be reduced, and the skin whitening effect is improved. Meanwhile, synergistic interaction with nicotinamide can be achieved, and the whitening effect is enhanced. The composition also has an antibacterial effect, the dosage of a preservative can be reduced, and the product safety is improved. In addition, the composition is used as a raw material to prepare a liposome microemulsion with a small particle size, and the problem that ceramide is unstable in a system is solved. The composition and the lipidosome microemulsion prepared from the composition have very good application prospects in the aspects of skin micro-ecology balancing, skin soothing, sunscreen and whitening cosmetics.

The present invention belongs to the field of biomedicine and discloses a ceramide derived from linolenic acid, which has a structure of general formula I or an isomer of general formula I: #imgabs0# wherein R 1 Selected from #imgabs1#R 2 Selected from one of the following structures: #imgabs2# The present invention also discloses its preparation method and use. The present invention reacts long-chain linolenic acid with sphingosine and phytosphingosine to obtain a class of novel ceramide compounds, which have a significant inhibitory effect on tyrosinase and can effectively prevent the formation of melanin, thereby having a good skin whitening effect and can be used in the fields of cosmetics.