780 results about "Pentylene Glycol" patented technology

Antimicrobial active compositions and substances comprising at least one, preferably two, unbranched (straight-chain) 1,2-alkanediols and preferably a further preservative and also to products containing such mixtures in an antimicrobially effective quantity. One example of an antimicrobial mixture comprises: (a) 1,2-hexanediol and 1,2-octanediol and also optionally 1,2-pentanediol and / or 1,2-decanediol and (b) one, two or more substances selected from the group consisting of potassium sorbate, parabens and iodopropynyl butylcarbamate (IPBC).

The invention relates to a lubricant for drilling fluid, which essentially solves the problems of the prior art that the lubricant for drilling fluid has poor lubricating property in the high-density drilling fluid. The lubricant for drilling fluid comprises the following components calculating by weight percentage: a) 1 to 35 percent of long-chain organic acid oiliness agent; b) 1 to 35 percent of synthetic ester oiliness agent; c) 0.1 to 8 percent of emulsifier; and d) 25 to 90 percent of base oil; in which the synthetic ester oiliness agent is selected from at least one of isooctyl stearate, butyl isostearate, trimethylolpropane trioleate, trimethylolpropane palm kernel ester, trimethylolpropane ethylhexoate, neopentyl glycol oleate, methyl laurate or pentaerythritol caproate, therefore, the technical proposal solves the problem preferably, and can be used in the industrial production of lubricant for drilling fluid.

The invention discloses a Prinsepia utilis Royle oil-containing functional skin care product and a preparation method thereof. The Prinsepia utilis Royle oil-containing functional skin care product is prepared from the following raw materials in part by weight: 1 to 2 parts of Prinsepia utilis Royle oil, 10 to 25 parts of purslane extracting solution, 5 parts of glycerol, 2 to 3 parts of 1,2-pentanediol, 5 to 7 parts of caprylic / caprictriglycerides, 2 parts of synthetic squalane, 1 to 5 parts of tocopheryl acetate, 1 to 3 parts of cetearyl alcohol, 0.1 to 0.2 part of allantoin, 0.6 to 0.9 part of coconut oil-base glucoside, 0.5 to 1 part of coconut oil alcohol, 0.5 to 2 parts of glyceryl stearate, 0.1 to 1 part of sodium hyaluronate and the balance of water. The functional skin care product has mild property and high safety without toxic or side reaction and anaphylactic reaction, can repair the destructed skin barrier, resists inflammation and skin ageing, and has a good effect and high safety of assisting in treating skin diseases related with skin barrier destruction, such as facial dermatitis (hormone dependence dermatitis, allergic dermatitis and acne), atopic dermatitis and the like.

Recording onto a non-ink-absorbing recording medium is performed using an aqueous ink composition containing a first solvent composed of at least one selected from 2-pyrrolidone, 1,3-dimethyl-imidazolidinone, and N,N′-dimethylpropylene urea, a second solvent composed of at least one selected from 1,2-hexanediol and 1,2-pentanediol, and a third solvent composed of at least one selected from glycol diethers and heating the non-ink-absorbing recording medium at 40 to 60° C.

The invention discloses a skin barrier repairing preparation. The preparation is prepared from the following components: deionized water, sucrose stearate, phytosteryl isostearate, vitamin E, glycerinum, butylene glycol, 1,2-pentylene glycol, octyldodecanol, polydimethylsiloxane, hydrogenated polyisobutene, oleic acid, linoleic acid, ceramide 2, ceramide 3, ceramide 6II, sodium hyaluronate, xanthan gum, disodium EDTA, acrylates C10-30 alkyl acrylate crosslinked polymer, allantoin and sorbitan caprylate. The invention further provides a method for preparing the skin barrier repairing preparation. According to the preparation method, the problem of dissolving compound ceramide can be solved, the impact of ceramide crystallization on stability under a low-temperature condition can be reduced, the stability of the preparation can be improved, and other skin repairing components can be added and compounded with the compound ceramide. The skin barrier repairing preparation has an excellent product formula stability and a multiple repairing effect on the skin barrier.

The invention discloses a hyaluronic acid dressing and a preparation method thereof. The dressing comprises the following components in percentage by mass: 0.01-0.3% of medium-molecular-weight hyaluronic acid, 0.01-0.5% of small-molecular-weight hyaluronic acid, 0.03-1% of allantoin, 0.1-1% of Carbomer, 2-5% of sorbitol, 0.2-1% of trehalose, 0.7-2.5% of witch hazel distillate, 0.1-0.5% of D-panthenol, 0.05-0.15% of alpha-bisabolol, 0.2-1.0% of oat glucan, 2-10% of glycerinum, 0.06-1% of water-soluble silicon wax, 0.05-0.9% of an antalkali, 0.004-0.2% of 2-methyl-4-isothiazoline-3-one, 0.05-0.4% of phenoxyethanol, 0.005-0.05% of pentanediol, 0.01-0.06% of octylene glycol, 0.025-0.5% of methylparaben and the balance of water. The dressing disclosed by the invention is capable of permeating into the deep layers of the skin to remove excessive free radicals, promoting the generations of blood vessels, and accelerating the union of wounds, in particular, acnes, eczematous dermatitis, photorejuvenation postoperation repair and the like.

The invention is a functional skin care product containing purslane extractive. Raw materials of the functional skin care product include, by weight, 10 parts of purslane extractive, 1-2 parts of Prinsepia utilis rogle oil, 2-5 parts of glycerol, 0.3-0.5 parts of crylic acid (ester) / C10-30 alkanol acrylate cross-linked polymer, 2-3 parts of 1,2-pentanediol, 1-5 parts of synthesized squalane, 1-2 parts of tocopheryl acetate, 2-3 parts of cetostearyl alcohol, 0.1-0.2 part of allantoin, 0.3-0.8 part of sodium hyaluronate, 3-5 parts of Butyrospermum parkii butter, and 100 parts of deionized water. Or the Prinsepia utilis rogle oil and the Butyrospermum parkii butter are not added. By the aid of animal experiments, namely, mouse auricle swelling models due to dimethlbenzene, the functional skin care product containing purslane extractive is fine in anti-inflammation and anti-allergy effects, mild in nature and fine in safety, and is free of toxic reaction and anaphylaxis. The functional skin care product has an adjuvant therapy function to skin barrier recovery of common discosmetic dermatosis such as hormone dependent dermatitis and acne, and is fine in curative effect and safety.

The invention provides a preparation method of neopentyl glycol, and belongs to the technical field of the preparation of alcohols. The preparation method includes the following steps: (1) regulating the pH value of a hydroxypivalaldehyde solution to 7.5-10; (2) obtaining a neopentyl glycol crude product by catalytic hydrogenation of hydroxypivalaldehyde treated by the step (1) under the effect of a hydrogenation catalyst at the temperature of 110-140 DEG C and with the pressure of 2.0-5.0 Mpa; and (3) purifying the neopentyl glycol crude product obtained in the step (2). The content of esters and other side products in the neopentyl glycol crude product prepared by the preparation method of the neopentylene glycol is extremely low, and the yield and purity of the neopentyl glycol are improved. In addition, a hydroxypivalaldehyde raw material system can be directly used for catalytic hydrogenation without any treatment, processes of aldol condensation and catalytic hydrogenation for preparation of the neopentyl glycol can be reduced, and the production efficiency can be improved.

The present invention relates to an environmentally friendly shell powder functional coating, a preparation method therefor and uses thereof. The coating comprises: bisphenol A-epon, modified shell powder, vegetable extract, propyl silicone emulsion, a nano additive, a modified organic micro powder agent, a surfactant, dioctylphthalate, 3, 3'-(4-trifluoromethyl methyl)-bi-4-hydroxy coumarin, 2,2,4-amino trimethyl-1,3-isoprene glycol mono iso-butyl methacrylate, butyl acetate, ethanol, trimethylol propane triacrylate, N-ammonia amino ethyl piperazine, polydimethylsiloxane and deionized water. In the present invention, by modification of a variety of components and materials, selection and collocation of specific components and a specific preparation method, the variety of components exert a synergistic effect, so as to make the prepared coating have significant antimicrobial, environmental-cleaning and wear-resisting properties. The coating has a huge application potential and extensive value in industrial production.

The invention discloses a facial wound restoration dressing including the following components by the weight percentage: 0.05%-1% of chitosan, 0.1-0.3% of macromolecular sodium hyaluronate, 0.1-0.3% of low-molecular sodium hyaluronate, 0.1-0.3% of oligomeric sodium hyaluronate, 1-5% of a sodium hyaluronate elastomer, 2-3% of a purslane extract liquid, 2-3% of a notoginseng extract liquid, 2-5% of a chamomile extract liquid, 2-5% of an aloe extract liquid, 2-5% of an argy worwood extract liquid, 2-5% of a hamamelis mollis extract liquid, 1-5% of 1,2-pentanediol, 0.5-2.0% of SC-10 with the registered trademark of sensival, and the balance sterile water. The preparation method of the dressing comprises that the components are added in turn and mixed evenly and the pH value is adjusted to 5.5-7.5. The plaster containing the dressing is obtained by combining the dressing with a non-woven facial mask. The plaster is capable of inhibiting bacteria, diminishing inflammation, stopping bleeding, and promoting tissue healing and restoration.

The invention belongs to the technical field of skin care oil medicine, in particular to skin care oil medicine containing peony oil and a preparation method thereof. The skin care oil medicine provided by the invention comprises the following components in parts by weight: main ingredients: peony seed oil, caprylic / capric triglyceride, cyclopentasiloxane and 1, 2 - butyl glycol 1-12, wherein the peony oil is peony seed oil or peony essence oil or the mixture of peony seed oil and peony essence oil; auxiliary ingredients: isostearic acid, butylated hydroxytoluene, avocado oil, simmondsia chinensis seed oil, meadowfoam seed oil and macadamia ternifolia seed oil; the skin care oil medicine containing peony oil prepared by the method provided by the invention can remarkably improve of the skin epidermis cell cycle function, promote the microcirculation of the blood capillary of the dermal skin effect, inhibit lipid peroxidation, improve metabolism, delay skin aging process, is provided with anti-wrinkle, moisturizing and whiting effect, people feels smooth and comfortable after the skin care oil medicine is used on the skin, and the skin care oil medicine containing peony oil is provided with better effect to chloasma, aging skin wrinkles, skin cutin hardening peeling and skin chap.

The invention discloses a water soluble alkyd resin solution and water soluble alkyd amino baking finish. The water soluble alkyd amino baking finish takes the water soluble alkyd resin solution as a base material. The water soluble alkyd resin solution comprises the following components by weight percentage: 14 to 18.8 percent of castor oil, 2.3 to 4.4 percent of benzoic acid, 17.3 to 19.5 percent of benzene anhydride, 0 to 6.5 percent of trimellitic anhydride, 3.7 to 5.8 percent of neopentylene glycol, 3.5 to 10.8 percent of dihydroxymethyl propaneoic acid, 8 to 12 percent of pentaerythrite, 9.0 to 11.5 percent of cosolvent, 4.0 to 6.5 percent of neutralizer and 16.5 to 20.0 percent of water. The water soluble alkyd amino baking finish comprises the following components by weight percentage: 35 to 70 percent of water soluble alkyd resin solution, 0 to 30 percent of pigment, 0.2 to 1.5 percent of additive, 10 to 20 percent of amino resin, 0 to 5 percent of cosolvent and 15 to 25 percent of water.

The invention uses a melt phase polycondensation method, uses dimer acid as a reaction monomer for the first time, and performs copolymerization on the dimer acid and several monomers in the group consisting of ethylene glycol, propylene glycol, diethylene glycol, neopentyl glycol, polyethylene glycol, fumaric acid, maleic anhydride, adipic acid, phthalic anhydride and m-phthalic acid to obtain an unsaturated polyester resin with excellent combination properties and low cost. The resin is expected to serve as the matrix resin of medical intrabony fixing materials, tissue engineering support materials, bone tissue temporary substitutes, environment-friendly adhesives, environment-friendly fiber glass reinforced plastics, environment-friendly paints, disposable tableware, packaging materials, shopping bags, garbage bags, pharmaceutical coatings, or capsules, pharmaceutical slow-release (controlled-release) materials, agricultural mulching film and the like.

To provide a photopolymerizable inkjet ink, which contains photopolymerizable monomers containing at least one selected from the following compound group (A) compounds of which are negative for skin sensitization, and at least one selected from the following compound group (B) compounds of which are negative for skin sensitization, wherein the compound group (A) is a compound group consisting of caprolactone-modified dipentaerythritol hexaacrylate, polyethoxylated tetramethylol methane tetraacrylate, ethylene oxide-modified bisphenol A diacrylate, caprolactone-modified hydroxy pivalic acid neopentyl glycol diacrylate, polypropylene glycol diacrylate [CH2═CH—CO—(OC3H6)n-OCOCH═CH2 (n≈12)], hydroxyethyl acryl amide, trimethylol propane trimethacrylate, and tricyclodecane dimethanol dimethacrylate, and the compound group (B) is a compound group consisting of ethylene oxide-modified phenolacrylate, isostearyl acrylate, ethylene oxide-modified trimethylol propane trimethacrylate, stearyl methacrylate, and glycerin dimethacrylate.

A coil coating composition producing a coil coating with excellent properties at a lower peak metal temperature includes (a) a first, branched polyester with an hydroxyl number of at least about 80 mg KOH / g, (b) a second, essentially linear polyester with an hydroxyl number of at least about 44 mg KOH / g, and (c) a crosslinking agent. The branched polyester is prepared by condensation of a polyol component consisting essentially of a flexibilizing diol, a branched diol, and, optionally, a polyol having at least three hydroxyl groups and a polyacid component consisting essentially of one or more aromatic or cycloaliphatic dicarboxylic acids and polymerizable anhydrides and esters thereof and, optionally, a polyacid having at least three carboxylic acid groups or poymerizable anhydrides or esters thereof, wherein at least one of the polyol having at least three hydroxyl groups and the polyacid having at least three carboxyl groups or an anhydride or methyl ester thereof is included. The essentially linear polyester is prepared by condensation of a polyol component consisting essentially of a flexibilizing diol and a branched diol and a polyacid component consisting essentially of one or more aromatic or cycloaliphatic dicarboxylic acids and polymerizable anhydrides and esters thereof. The branched diols of the first and second polyesters are independently selected from the group consisting of 2-methyl-1,3-propanediol, 2,2,4-trimethyl-1,3-pentanediol, 2-ethyl-2-butyl-1,3-propanediol, propylene glycol, neopentyl glycol, and combinations thereof.

Water-based intumescent fireproofing formulations are provided that exhibit excellent fireproofing properties while simultaneously significantly reducing and / or eliminating the potential for VOC release and exhibiting excellent hangability properties. The intumescent fireproofing formulation includes a coalescent that significantly reduces and / or eliminates the potential for VOC release and fiber constituents, e.g., fibers of greater than 0.2 mm in length. Exemplary coalescents have a boiling point of at least 180° C. and include bis(2-ethylhexanoate)triethyleneglycol, 2,2,4-trimethyl-1,3-pentanediolmono(2-methylproponate) and 2,2,4-trimethyl-1,3-pentanedioldi(2-methylpropanoate). Intumescent fireproofing formulations are also provided that include clay to further improve performance.

The invention relates to a method for catalyzing alcoholysis performed on polyethylene glycol terephthalate (PET) by using CoCl42- / NiCl42-type ionic liquid. The method is characterized by comprising the following steps: taking the CoCl42- / NiCl42-type ionic liquid as a catalyst; taking one or more of ethylene glycol, diethylene glycol, propylene glycol, butanediol, pentanediol and hexanediol as a solvent; and performing alcoholysis on the PET under the conditions of the dosage of the catalyst being 0.1%-20% of the mass of the solvent, the reaction temperature at 120-240 DEG C, the pressure at 1atm and the reaction time of 1 minutes to 8 hours. The method has the advantages of mild reaction conditions, high-speed reaction, high conversion rate, easiness in separating products, high catalytic activity, high selectivity, reusable catalyst, and the like.

The invention relates to an elastic paint for exterior wall decoration and its manufacturing method, which is prepared from acrylic acid self-crosslinking copolymerized emulsion, 5-chloro-2-methyl-4-isothiazoline-3-one, n-octylisothiazolin-one, ammonium polycarboxylate, alkyl phenol polyoxyethylene ether, hydroxyethyl cellulose, 3-n-butylphosphoric ester, propylene glycol, 2,2,4-trimethyl-1,titanium dioxide, calcium, talcum powder, porcelain clay, 2-amido-2-methyl-1-propanol and polyurethane modified polyether through agitating and grinding.

The invention discloses a stable dye for spinning. The stable dye is prepared from the following raw materials in parts by weight: 6-11 parts of soap powder, 4-10 parts of sodium aliphatate, 3-10 parts of ethyl alcohol, 4-8 parts of sodium alginate, 6-12 parts of ammonium ethoxylated alkyl sulfate, 4-7 parts of alcohol alkoxylate, 6-9 parts of sodium ethoxylated alkyl sulfate, 2-6 parts of organic solvent, 1-4 parts of antifoaming agent, 15-22 parts of organic dyeing raw materials, 1-4 parts of pentanediol, 4-9 parts of tannic acid, 6-10 parts of 5-diaminophenyl ethanol sulfate, 2-6 parts of crylic acid, 7-9 parts of butyl acrylate and 1-4 parts of protein amino acids. The stable dye has the beneficial effects that the dye for spinning disclosed by the invention is stable in performance and can dye cloth materials well, colors are unlikely to fade, and regular work can also be achieved under high temperature.

The invention relates to cosmetics, in particular to skin repairing liquid and application thereof. The skin repairing liquid is prepared from, by weight, 1-10 parts of glycerinum, 0.1-1 part of 1,2-pentanediol, 0.05-0.15 part of dipotassium glycyrrhizinate, 0.01-0.05 part of oligopeptide-1, 0.05-0.5 part of sodium hyaluronate, 0.3-0.9 part of aloe barbadensis leaf juice and 87.4-98.49 parts of water. The skin repairing liquid is applied to cosmetics and especially facial masks. The preparation method of the skin repairing liquid includes the following steps of firstly, completely dispersing and dissolving glycerinum, 1,2-pentanediol and water in a heating pot at a high speed in a homogeneous mode and keeping the temperature at 75 DEG C or higher; secondly, adding dipotassium glycyrrhizinate, oligopeptide-1, sodium hyaluronate and aloe barbadensis leaf juice when the temperature in the heating pot is lowered to be 45 DEG C or lower, completely stirring and dissolving the materials, and conducting filtering and discharging; thirdly, conducting standing, subpackaging and packaging after discharging. The skin repairing liquid effectively improves the skin repairing effect.

The invention discloses a flame-retardant polyol containing phosphorus linked pendant groups and a preparation method of the polyol. The method specifically comprises steps as follows: 1) a solvent and neopentyl glycol are arranged in a reaction kettle, phosphorus oxychloride is dropwise added, and an intermediate, namely, neopentyl glycol phosphorus oxychloride, is prepared; 2) a solvent and micro-molecular trihydric alcohol or tetrahydric alcohol are arranged in the reaction kettle, an acid-binding agent is added, the intermediate dissolved in the solvent is dropwise added, a reflux reaction is performed, and the flame-retardant polyol containing the phosphorus linked pendant groups is obtained through cooling, filtration and washing. The flame-retardant polyol containing the phosphorus linked pendant groups contains no halogen and is environment-friendly and non-toxic, raw materials are cheap and easy to obtain, the technology is simple and controllable, two or three contained activated terminal hydroxyl groups can react with isocyanate, an intrinsically flame-retardant polyurethane material containing the phosphorus linked pendant groups can be prepared, so that defects that additional flame retardants are poor in compatibility in water-based polyurethane systems, migrate and separate out easily and the like are overcome, and the problem of reduction of physical and chemical properties of the material due to breakage of the polyurethane main chain structure due to the fact that phosphate ester bonds of traditional polyols containing phosphorus linked main chains are not resistant to hydrolysis is also solved.

The invention relates to a cleaning agent for a crystal lamp and a method for preparing the cleaning agent for the crystal lamp. The cleaning agent is mainly used for cleaning the crystal lamps of home and hotels and can also be used for cleaning other glass products. The cleaning agent is used for overcoming the defects of the prior art, has efficient cleaning capability and quickly disintegrates dust and dirty marks which are adhered to crystal lighting, disassembling, assembling and washing are not needed, so that time and labor are saved; the production technology is simple, and the production process is not dangerous; and after the cleaning agent is used, no water mark is left on crystal lighting surfaces. The cleaning agent selects a formula as follows by weight percent: 1.50-4.50 of coconutt diethanol amide, 1.0-3.0 of fatty alcohol-polyoxyethylene ether aeo-9, 2.0-4.0 of sodium alcohol ether sulphate, 1-3 of propylene glycol n-propyl ether, 3-5 of 2-methyl-2,4-pentanediol, 10.0-15.0 of ethanol, 8.0-10.0 of isopropyl alcohol, 3.0-5.0 of citric acid, 1.0-3.0 of ethylenediaminetetraacetic acid disodium salt, an appropriate amount of essence and the balance of deionized water.

The invention relates to a method for inhibiting whitening cosmetics from yellowing. The method is characterized by comprising the steps of: adding an appropriate amount of an ingredient capable of inhibiting moisture activity to a cosmetic formula containing whitening active matters, so as to control the moisture activity of a product to be smaller than 0.87, wherein the ingredient capable of inhibiting moisture activity is one or a mixture or isomers of propylene glycol, dipropylene glycol, butanediol, pentanediol, hexanediol, glycerol, diglycerol, sorbitol, betaine, glucose, trehalose, sucrose, polyethylene glycol-8, polyethylene glycol-32, methyl glucitol polyether-10, methyl glucitol polyether-20, glycerol polyether-26 and poloxamer 184; adding 0.03-0.5wt% of complexing agent; and adding an appropriate amount of pH buffering agent so as to control the pH of the product to be 3.3-4.7. The method disclosed by the invention has the beneficial effect of inhibiting the whitening cosmetics from yellowing; and after the whitening cosmetics prepared by the method disclosed by the invention are stored for three years in cosmetic containers, the appearance of the products does not yellow, and the loss of the whitening active matters is small.

The present invention is one kind of liposoluble double component adhesive and its preparation process, and belongs to the field of fine chemical technology. The adhesive includes one main component comprising glycol, dimethyl terephthalate, neopentyl glycol, isophthalic acid, sebacic acid and ethyl acetate; and one curing agent component comprising trihydroxy methyl propane, toluene diisocyanate and ethyl acetate. The main component is prepared through mixing and reacting glycol and dimethyl terephthalate to produce glycol terephthalate, further reacting with neopentyl glycol, etc to produce polyester polyol pre-polymer, consensation to produce polyester polyol and adding ethyl acetate for dissolving and diluting. The adhesive may be applied for adhering steaming resistant aluminum plastic articles.

The invention provides a repairing eye cream with an anti-blue-light effect and a preparation method thereof. The repairing eye cream with the anti-blue-light effect is prepared from the following functional components of glycerol, butanediol, EDTA disodium, avocado butter, cetostearyl alcohol, isopropyl myristate, bis-PEG-18 methyl ether dimethyl silane, neopentyl glycol dicaprylate, DC9040 silicon elastomers, a MONTANOV68 emulsifier, a thickening agent SEPINOVEMT10, an emulsifying agent SIMULSOL165 and deionized water, wherein the functional components comprise xanthophyll, a bifidus yeast fermentation product spore lysate, acetyl hexapeptide-8, acetyl tetrapeptide-5, palmitoyl pentapeptide-4, a cocoa seed extract, nicotinamide, a centella asiatica extract, borneol, zinc carbonate hydroxide, amber powder, pearl powder, borax, tocopheryl acetate, glucosyl hesperidin, allantoin and fullerene. The repairing eye cream with the anti-blue-light effect not only has the effect of resisting blue light invasion, but also has the repairing effect, and is high in application prospect.

The invention discloses a flame-retardant steel surface coating material and a preparation method thereof. The flame-retardant steel surface coating material is prepared from the following components in parts by weight: 35-48 parts of polyacrylamide, 5-9 parts of zinc oxide, 0.05-0.2 part of ammonium polyphosphate, 0.05-0.1 part of dibutyltin maleate, 0.03-0.1 part of diazolidinyl urea, 0.02-0.04 part of silane coupling agents, 0.01-0.2 part of antioxidants and 15-20 parts of 1,2-pentanediol. The invention also provides the preparation method of the flame-retardant steel surface coating material. The flame-retardant steel surface coating material prepared through the method disclosed by the invention not only has good flame-retardant property, but also has good scraping resistant property and antibacterial property. The flame-retardant steel surface coating material prepared through the method disclosed by the invention can be widely applied to the surfaces of a household appliance, an instrument, a meter, air purifying equipment and water purifying equipment.

The invention discloses anti-chapping and anti-freezing cream for a baby and a preparation method thereof. The cream is an oil-in-water emulsion-type skin cream prepared by deionized water, glycerinum, allantoin, dipotassium glycyrrhizinate, sodium hyaluronate, ginseng extract, licorice extract, peony root extract, ginger root extract, marten oil, avocado butter, olive fruit oil, cetearyl glucoside, glyceryl stearate, cetostearyl alcohol, squalane, tocopheryl acetate, simmondsia chinensis seed oil, isoprene glycol and ethylhexylglycerin, has good effect of preventing freeze, moisturizing, preventing chapping and preventing crack, and is safe to use.

The invention discloses a cosmetic for improving tolerance of skin and a preparation method thereof. The cosmetic includes, by weight, 0.002% to 0.01% of oligopeptide-1, 1% to 10% of rhodophyta extract, 3% to 4.5% of 1, 2-pentylene glycol, 0.1% to 1% of rice amino acid, 0.1% to 5% of purslane extract, 0.01% to 0.1% of ceramide 3, 0.01% to 0.1% of ceramide 6, 0.01% to 0.1% of ceramide 1, 0.01% to 0.2% of phytosphingosine, 0.1% to 1% of cholesterol, 0.5% to 2% of sodium lauroyl lactylate, 1% to 5% of cestrum nocturnum, and the balance deionized water. The invention further provides a preparation method of the cosmetic. The cosmetic for improving the tolerance of skin and the preparation method thereof have the advantages of being simple in preparation method without unpleasant smell of Chinese medicine, good in stability, and helpful to improve the tolerance of the skin after a period of usage. The activation threshold value of dendritic cells of the skin is adjusted after long term usage, and the anti-stimulation capacity of the skin to the outside is improved.