CN118078654A - BB cream and preparation method thereof - Google Patents
BB cream and preparation method thereof Download PDFInfo
- Publication number
- CN118078654A CN118078654A CN202410402894.0A CN202410402894A CN118078654A CN 118078654 A CN118078654 A CN 118078654A CN 202410402894 A CN202410402894 A CN 202410402894A CN 118078654 A CN118078654 A CN 118078654A
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- CN
- China
- Prior art keywords
- colorant
- weight percent
- cream
- elastic
- powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000006071 cream Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000003086 colorant Substances 0.000 claims abstract description 85
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- -1 dialdehyde compound Chemical class 0.000 claims abstract description 32
- ALYNCZNDIQEVRV-UHFFFAOYSA-N 4-aminobenzoic acid Chemical compound NC1=CC=C(C(O)=O)C=C1 ALYNCZNDIQEVRV-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 20
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- 229940082509 xanthan gum Drugs 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
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Abstract
The invention discloses BB cream and a preparation method thereof, wherein the BB cream comprises the following components: elastic colorant, hydrophobic porous silica, emulsifier, grease, film forming agent, thickener, humectant, antioxidant, perfume, antiseptic, EDTA disodium, and water; the preparation method comprises the following steps: amino silicone oil, dialdehyde compound and para-aminobenzoic acid are dissolved in a solvent, then colorant is added for ultrasonic dispersion to obtain suspension, and the elastic colorant is obtained after spray drying, washing and common drying. BB cream has the advantages of light and thin makeup feel, high concealer and long-acting paste.
Description
Technical Field
The invention belongs to the technical field of cosmetics, and particularly relates to BB cream and a preparation method thereof.
Background
BB cream is short for BlemishBalm, has the main functions of concealing, adjusting skin color, preventing sun and refining pores, and can create basic naked make-up effect. The skin-care cream is originally applied to medical cosmetology in Germany, is named as 'scar moisturizing cream', and mainly has the functions of concealing blemish, adjusting skin color, preventing sun and refining pores. The BB cream is changed once, so that the BB cream is combined with maintenance and skin care, is air-proof after being used on the face initially, is dry in skin, can grow acnes on the skin even after long-term use, is more air-proof, moistens and moisturizes, and is easier to remove.
Because BB cream is light, thin and bare, the BB cream on the market has weak concealer effect at present; in addition, the volatilization of the solvent brings a light, thin and fresh feeling, but at the same time, the emulsifying system is destroyed, so that the powder is easy to agglomerate, and the color is darkened and the glossiness is lost.
In view of this, the present invention has been proposed.
Disclosure of Invention
The technical problem to be solved by the invention is how to provide BB cream which is light and thin in make-up feel, has a good concealer effect and has glossiness after long-acting fitting.
The invention provides BB cream, which comprises the following components in percentage by mass:
6 to 20 weight percent of elastic colorant, 2 to 5 weight percent of hydrophobic porous silica, 2 to 7 weight percent of emulsifier, 10 to 20 weight percent of grease, 1 to 3 weight percent of film forming agent, 0.2 to 3 weight percent of thickening agent, 10 to 20 weight percent of humectant, 0 to 0.2 weight percent of pH regulator, 0 to 1 weight percent of antioxidant, 0.05 to 0.2 weight percent of spice, 0.5 to 2 weight percent of preservative, 0.05 to 0.1 weight percent of EDTA disodium and the balance of water.
As a preferable embodiment of the present invention, the elastic colorant D (50) is 50 to 80. Mu.m; for example: 50 μm, 60 μm, 70 μm, 80 μm, etc., but are not limited to the recited values, and other values not recited in the above-described numerical ranges are equally applicable.
As a preferable technical scheme of the invention, the particle size of the colorant is 200-800 nm, and the colorant comprises at least one of titanium dioxide, zinc oxide and ferric oxide pigment, and the ferric oxide comprises ferric oxide yellow, ferric oxide red and ferric oxide black.
The preparation method of the elastic colorant comprises the following steps: amino silicone oil, dialdehyde compound and para-aminobenzoic acid are dissolved in a solvent, then colorant is added for ultrasonic dispersion to obtain suspension, and the elastic colorant is obtained after spray drying, washing and common drying.
As a preferred embodiment of the present invention, the amino silicone oil has a number average molecular weight of 1 to 10kDa, for example: 1kDa, 2kDa, 3kDa, 4kDa, 5kDa, 6kDa, 7kDa, 8kDa, 9kDa, 10kDa, etc.; the amine number of the amino silicone oil is 1-2 mmol/g, for example: 1mmol/g, 1.2mmol/g, 1.4mmol/g, 1.6mmol/g, 1.8mmol/g, 2mmol/g; however, the present invention is not limited to the above-mentioned values, and other values not mentioned in the above-mentioned numerical ranges are equally applicable.
As a preferred embodiment of the present invention, the dialdehyde compound is at least one selected from glutaraldehyde, glyoxal, pimelic aldehyde, suberaldehyde, and nondialdehyde.
As a preferable embodiment of the present invention, the solvent is selected from one of toluene, chloroform, N-methylpyrrolidone (NMP).
As a preferable technical scheme of the invention, the mass ratio of the colorant, the amino silicone oil, the dialdehyde compound and the para-aminobenzoic acid is 1-1.2: 1:0.1:0.1 to 0.2; for example: 1:1:0.1:0.1, 1.1:1:0.1:0.1, 1.2:1:0.1:0.1, 1:1:0.1:0.2, 1.1:1:0.1:0.2, 1.2:1:0.1:0.2, etc.; however, the present invention is not limited to the above-mentioned values, and other values not mentioned in the above-mentioned numerical ranges are equally applicable.
As a preferable technical scheme of the invention, the solid content of the colorant powder in the suspension is 55-65wt%; for example: 55wt%, 57wt%, 59wt%, 61wt%, 63wt%, 65wt%, etc.; however, the present invention is not limited to the above-mentioned values, and other values not mentioned in the above-mentioned numerical ranges are equally applicable.
Titanium dioxide with the grain diameter of 0.2-0.3 mu m has the optimal light reflecting and scattering capability, so as to achieve the optimal covering power; however, studies have shown that particles below 10 μm can enter the hair follicle and accumulate in the follicle, and that if cleansing is not done in place, these particles clog the follicle causing a series of skin problems. According to the scheme provided by the invention, the coloring agent is loaded on the elastomer to form powder with the particle size larger than 10 mu m, so that good light reflection of the coloring agent can be maintained, and accumulation in hair follicles is avoided.
The amino silicone oil, the dialdehyde compound and the para-aminobenzoic acid are crosslinked in the spray drying process to obtain the polysiloxane elastomer with a three-dimensional crosslinked network, and the elastic colorant keeps good light reflectivity, glossiness and concealing degree of the colorant due to the high transparency of the polysiloxane, and the elastic powder can be filled in fine lines and pores of skin more than the rigid powder, so that higher concealing degree is achieved. Compared with the simple mixing of the added silica gel elastomer and the common colorant, the particle compounded by the silica gel elastomer and the common colorant has the advantages that the flatness of the skin is greatly improved, so that the glossiness is improved; in addition, after the elastic body loads the colorant, the colorant is targeted to fill fine lines and pores instead of floating on the surface, and meanwhile, the elastic body wraps the colorant to avoid oxidization and agglomeration, so that the obtained BB cream has long-acting fitting property; furthermore, the hydrophobicity of the modified elastic colorant is enhanced, so that the modified elastic colorant has better compatibility with other components, and the emulsion stability is improved.
Describing the reaction of amino silicone oil, dialdehyde compound, para aminobenzoic acid, wherein the amino group can be subjected to Schiff base reaction under heating condition to generate C=N bond, the carboxylic acid and the amino group can be subjected to acylation reaction under heating condition to generate CO-NH bond, thereby forming a multi-element cross-linked network, and on one hand, the C=N bond and the CO-NH bond can be used for fixedly loading the colorant on the elastomer through coordination with the colorant (metal oxide); on the other hand, the C=N bond and the CO-NH bond are strong hydrogen bonding groups, and serve as auxiliary crosslinking points for hydrogen bonding crosslinking, so that the elasticity of the material is greatly improved.
As a preferred embodiment of the present invention, the hydrophobic porous silica has a particle size of 10 to 20. Mu.m, and D (50) is 13.2. Mu.m. Hydrophobic porous silica is purchased from Undaria pinnatifida new materials technology Co., ltd, has a specific surface area of 200m 2/g, and has hydrophobicity and porosity such that it can absorb grease from the skin surface, make the skin feel soft and elastic and keep dry.
The elastic colorant and the hydrophobic porous silica can exert good grading effect, on one hand, the granularity of the elastic colorant and the hydrophobic porous silica accords with the sphere close packing principle, namely R Small size ≤0.225R Big size (R Small size refers to the radius of small-particle-size silica, R Big size refers to the radius of large-particle-size elastic colorant), so that small-particle-size powder can well fill gaps among large powder, and concealer films are finer, so that higher concealer is exerted; on the other hand, the polysiloxane has hydrophobicity, so that the colorant after elastic modification has better compatibility with hydrophobic porous silica, and therefore, the two powders can be uniformly dispersed, and the agglomeration caused by repulsion is avoided.
As a preferred embodiment of the present invention, the emulsifier is selected from: at least one of PEG-10 polydimethylsiloxane, PEG-15 polydimethylsiloxane, lauryl PEG-9 polydimethylsiloxane ethyl polydimethylsiloxane, cetyl PEG/PPG-10/1 polydimethylsiloxane.
As a preferred embodiment of the present invention, the oil is selected from the group consisting of: at least one of isododecane, isohexadecane, isononyl isononanoate, dioctyl carbonate, propyl heptyl octanoate, caprylic/capric triglyceride, dibutyl adipate, cyclopentadimethicone, dimethicone, C20-24 olefins, isopropyl myristate, isopropyl palmitate, cetostearyl alcohol, behenyl alcohol, propyl heptyl octyl, coco-caprylic/capric ester, silicone oil.
As a preferred embodiment of the present invention, the film forming agent is selected from the group consisting of: at least one of trimethylsiloxysilicate and polyvinylpyrrolidone (PVP).
As a preferred embodiment of the present invention, the thickener is selected from the group consisting of: at least one of carrageenan, cellulose, sodium hyaluronate, carbomer, xanthan gum and magnesium aluminum silicate.
As a preferred embodiment of the present invention, the humectant is selected from: at least one of sodium hyaluronate, betaine, trehalose, glycerol, propylene glycol and butanediol.
As a preferred embodiment of the present invention, the pH adjuster is selected from the group consisting of: at least one of citric acid and sodium hydroxide.
As a preferred embodiment of the present invention, the antioxidant is selected from the group consisting of: at least one of tocopheryl acetate and bisabolol.
As a preferred embodiment of the present invention, the preservative is selected from the group consisting of: at least one of phenoxyethanol, nipagin ester, benzoate and acetyl-parahydroxybenzoate.
The second object of the present invention is to provide a preparation method of the BB cream, comprising the following steps:
Mixing humectant, EDTA disodium and deionized water in a pot, heating and stirring until completely dissolved, keeping the temperature for 10min, and taking out of the pot to obtain a water phase;
Mixing the emulsifier, the film forming agent, the antioxidant and the preservative in a pot, heating and stirring until the emulsifier and the film forming agent are completely dissolved, preserving heat for 10min, and taking out of the pot to obtain an oil phase;
mixing elastic colorant, hydrophobic porous silica and grease, grinding by a three-roller machine until no particles exist, and obtaining powder;
Adding the powder into an oil phase, homogenizing, transferring to an emulsifying pot, heating to 60-80 ℃, preserving heat for 10min, adding a water phase, preserving heat and homogenizing, adding a thickening agent, essence and a pH regulator, continuously stirring until the materials are completely dissolved, cooling and defoaming to obtain BB cream.
The beneficial effects are that:
The elastic modified colorant is prepared firstly, and the polysiloxane elastomer is used for loading the colorant, so that the colorant keeps good light reflectivity, glossiness and concealing property, and meanwhile, aggregation, oxidation and darkening of the color and loss of luster of the colorant in the use process are avoided; in addition, the colorant powder with elasticity and hydrophobicity can fill in the fine lines and pores of the skin, so that the skin has more flatness and glossiness; furthermore, the hydrophobic polysiloxane segments enhance the compatibility of the colorant with the skin and other components, enhancing the dispersibility and film forming properties of the components.
According to the invention, the elastic modified colorant and the hydrophobic porous silica are subjected to granularity grading, and the gaps of the elastic modified colorant are filled with the hydrophobic porous silica with fine granularity, and the elastic modified colorant and the hydrophobic porous silica have the same hydrophobicity, so that a compact concealer layer can be formed on the surface of skin, and the concealer degree is improved.
Because the dispersibility of the coloring agent is less dependent on the emulsifier and the components are synergistic, the BB cream provided by the invention has the advantages of light and thin makeup feel, good concealing effect, long-acting fit and glossiness.
Drawings
FIG. 1 is an SEM of an elastically modified colorant prepared in example 1.
Detailed Description
The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention in any way. Unless specifically stated otherwise, the reagents, methods and apparatus employed in the present invention are those conventional in the art.
Example 1
Respectively weighing amino silicone oil, glutaraldehyde and para-aminobenzoic acid, dissolving in NMP, stirring uniformly, adding colorant powder, performing ultrasonic dispersion for 30min to obtain suspension, pumping the suspension into a centrifugal spray dryer at a speed of 500mL/h by using a peristaltic pump, wherein the diameter of a spray disc of the dryer is 15cm, the rotating speed of the spray disc is 12000r/min, the temperature of a feed liquid nozzle is 200 ℃, the drying protective atmosphere is nitrogen, cooling the powder in a material collecting tank of the spray dryer to below 60 ℃, taking out, dispersing in NMP again, performing vibration washing for 1h, and drying at 80 ℃ to constant weight to obtain the elastic colorant.
The amino silicone oil has a number average molecular weight of 5kDa and an amine value of 1.58mmol/g;
The mass ratio of the colorant powder to the amino silicone oil to the glutaraldehyde to the para-aminobenzoic acid is 1:1:0.1:0.1.
The solid content of the colorant powder in the suspension was 60%.
The colorant powder is prepared from the following components: the mass ratio of titanium dioxide, iron oxide yellow, iron oxide red and iron oxide black is 9:1.2:0.25:0.02, the particle size of the colorant powder is 200-800 nm.
The elastic colorant was measured to have a D (50) of 62 μm using a laser particle sizer.
Example 2
Respectively weighing amino silicone oil, nonanal dialdehyde and para-aminobenzoic acid, dissolving in NMP, stirring uniformly, adding colorant powder, performing ultrasonic dispersion for 30min to obtain suspension, pumping the suspension into a centrifugal spray dryer at a speed of 500mL/h by using a peristaltic pump, wherein the diameter of a spray disc of the dryer is 15cm, the rotating speed of the spray disc is set to 10000r/min, the temperature of a feed liquid nozzle is set to 200 ℃, the drying protective atmosphere is nitrogen, cooling the powder in a material collecting tank of the spray dryer to 60 ℃ or lower, taking out, dispersing in NMP again, performing vibration washing for 1h, and drying to constant weight at 80 ℃ to obtain the elastic colorant.
The amino silicone oil has a number average molecular weight of 1kDa and an amine value of 1.12mmol/g;
The mass ratio of the colorant powder to the amino silicone oil to the charging materials of the nonanal and the para-aminobenzoic acid is 1:1:0.1:0.15.
The solid content of the colorant powder in the suspension was 60%.
The colorant powder is prepared from the following components: the mass ratio of titanium dioxide, iron oxide yellow, iron oxide red and iron oxide black is 9:1.2:0.25:0.02, the particle size of the colorant powder is 200-800 nm.
The elastic colorant was measured to have a D (50) of 78 μm using a laser particle sizer.
Example 2
Respectively weighing amino silicone oil, glyoxal and para-aminobenzoic acid, dissolving in NMP, stirring uniformly, adding colorant powder, performing ultrasonic dispersion for 30min to obtain suspension, pumping the suspension into a centrifugal spray dryer at a speed of 500mL/h by using a peristaltic pump, wherein the diameter of a spray disc of the dryer is 15cm, the rotating speed of the spray disc is 15000r/min, the temperature of a feed liquid nozzle is set to 200 ℃, the drying protective atmosphere is nitrogen, cooling the powder in a material collecting tank of the spray dryer to below 60 ℃, taking out, dispersing in NMP again, performing vibration washing for 1h, and drying to constant weight at 80 ℃ to obtain the elastic colorant.
The amino silicone oil has a number average molecular weight of 10kDa and an amine value of 1.87mmol/g;
The mass ratio of the colorant powder to the amino silicone oil to the glutaraldehyde to the para-aminobenzoic acid is 1.2:1:0.1:0.1.
The solid content of the colorant powder in the suspension was 65%.
The colorant powder is prepared from the following components: the mass ratio of titanium dioxide, iron oxide yellow, iron oxide red and iron oxide black is 9:1.2:0.25:0.02, the particle size of the colorant powder is 200-800 nm.
The elastic colorant was measured to have a D (50) of 57 μm using a laser particle sizer.
The following tests were performed on the powder combinations and the results are shown in table 1:
Test 1: concealer level
3G of measurement powder is weighed and mixed with 1.4g of ethanol and 5.6g of 10wt% collodion solution to obtain slurry, a coating film with the film thickness of 100 mu m is formed on white-black coverage test paper by a painting method, light entering the obtained test sample at an angle of 45 DEG is received right above painting (0 DEG) by a spectrocolorimeter, color measurement is carried out on a white background and a black background, the coverage is calculated according to a formula, (L 1、a1、b1) is a colorimetric value of a colorimetric system in the black background, and (L 2、a2、b2) is a colorimetric value of a colorimetric system in the white background.
Test 2: slip degree
The smoothness of the powder composition is evaluated by adopting a friction coefficient, and the smaller the friction coefficient is, the higher the dispersity of the material is, the roughness is reduced, and the comfort is good; a KES-SE type friction coefficient tester, available from Japanese KATO, was used with a 0.5mm interval fingerprint simulator with a 0.5N traction force and a simulator speed of 1mm/s.
TABLE 1
a The colorant powder is prepared as follows: the mass ratio of titanium dioxide, iron oxide yellow, iron oxide red and iron oxide black is 9:1.2:0.25:0.02, the particle size of the colorant powder is 200-800 nm.
b Silica gel elastomer was Siwell Rebon brand and D (50) was 48 μm, available from Guangzhou Lei Bang chemical Co.
As can be seen from the data in the table, powder 1 has the greatest hiding power and the smallest friction coefficient, indicating that the elastic colorant of example 1 in powder 1 has the best grading effect with the hydrophobic porous silica; powder 4 is a simple mixture of the components, and has slightly poorer hiding power than that of powders 1 to 3 and larger friction coefficient, because the surface of the colorant powder is hydrophilic, the elastomer and the silica are hydrophobic, so that the components are incompatible, and when the solvent volatilizes, the colorant powder tends to aggregate, so that the components have poorer dispersibility and higher roughness, and the phenomenon of difficult expansion and powder clamping occurs when the BB cream powder phase is used.
BB creams of different formulations were prepared, and the components are shown in Table 2.
TABLE 2
Mixing humectant, EDTA disodium and deionized water in a pot, heating to 60deg.C, stirring to dissolve completely, maintaining the temperature for 10min, and taking out to obtain water phase;
mixing the emulsifier, the film forming agent, the antioxidant and the preservative in a pot, heating to 80 ℃, stirring until the mixture is completely dissolved, preserving the temperature for 10min, and taking out of the pot to obtain an oil phase;
mixing elastic colorant, hydrophobic porous silica and grease, grinding by a three-roller machine until no particles exist, and obtaining powder;
Adding the powder into an oil phase, homogenizing, transferring to an emulsifying pot, heating to 70 ℃, preserving heat for 10min, adding a water phase, preserving heat and homogenizing, adding a thickening agent, essence and a pH regulator, continuously stirring until the materials are completely dissolved, and cooling and defoaming to obtain BB cream.
The following tests were carried out on the BB cream prepared in Table 2:
Test 3: chromatic aberration
The color difference value of the powder base liquid is tested by adopting MetaVue VS3200 non-contact imaging high-precision color difference meter and is influenced by the conditions of volatilization, sebum, oxidization and the like of an emulsifying system, the color difference value is automatically calculated by color difference meter software, and when a DEcmc color difference system is adopted, generally, DEcmc is more than 0.8, the color difference can be observed for human eyes.
Samples of 0.5g were each coated onto two PMMA plates. One sample was placed in a glove box at 30℃with an oxygen content of less than 50ppm and left in a dark place, and the other sample was placed in a glove box at 30℃with a sealing cover and covered, and after 8 hours of standing, the color difference change of the sample was measured and recorded as a color difference for evaluating volatilization of the emulsion system.
6G of sample is taken and put into a sample pool of a color difference meter, after standing for 3 hours, 30mg of artificial sebum is quantitatively sprayed on the surface, so that a layer of obvious oil film is formed on the surface, and the color difference value change is monitored by adopting a non-contact color difference meter after standing for 0.5 hour, so as to evaluate the color difference caused by sebum.
0.5G of sample is coated on a PMMA plate, the plate is exposed to an air environment at 30 ℃, and after the plate is irradiated for 0.5h by an ultraviolet lamp, the color difference change of the sample is measured and recorded to be used for evaluating the color difference caused by volatilization of an emulsifying system.
TABLE 3 Table 3
As can be seen from the data in the table, the examples have smaller chromatic aberration than the comparative examples in different environments, and in particular, the lower chromatic aberration of volatilization indicates that after the volatile substances volatilize, the collapse of the emulsifying system does not cause aggregation of powder materials, and the hydrophobic elastomer is beneficial to wrapping the coloring powder, so that the coloring powder can be well dispersed between the film forming agent and the hydrophobic silica; the lower sebum color difference indicates that the influence of sebum on the light reflectivity of the powder is lower, namely the powder before sebum spraying is further explained that the concealer film formed by the powder on the skin is more compact, because the principle that sebum can generate color difference is as follows: after oil injection, grease fills gaps among the powder, a layer of smooth oil film is formed on the surface of the foundation, and the oil film not only reduces light scattering, but also absorbs a part of light, so that the light reaching the foundation and the light diffusely reflected by the surface are relatively reduced; the lower oxidation color difference shows that after the elastomer wraps the coloring agent, the ultraviolet oxidation aging resistance of the coloring agent is improved.
Test 4: system stability
Stability testing will be performed by placing 30mL samples in clear sealed vials, and observing their stability after 30 days at-15, 25 and 48 c, with the results shown in table 4.
TABLE 4 Table 4
The BB cream is in a suspension state, so that the temperature resistance stability of the BB cream has important influence on transportation, use and storage of the BB cream, and the data show that compared with the comparative example, the BB cream has higher high-temperature resistance stability, and the compatibility stability of the colorant in other components is improved due to the entrapment of the hydrophobic elastomer.
Test 5: skin irritation
The test was performed by referring to the method of cosmetic safety Specification (2015 edition) -human skin patch test. 20 volunteers 18-60 years old, who met the trial requirements, were selected as subjects (10 men and women each). The sample was placed in a plaque tester at 0.020.+ -. 0.005g, with no material added to the blank. The patch test with the test object is applied to the forearm flexor side of the subject with non-irritating tape, and is gently pressed by palm to uniformly apply to skin. The patch is applied once every 24 hours, 30 minutes after the patch is uncovered, and skin reaction is observed after the indentation disappears. If the response is suspicious or positive, stopping the patch test by the subject; if the reaction is negative, the patch test is continued on the same tested part of the subject, and the patch test is repeated for 6 times. The test population reaction results are recorded in table 5 and the test results are shown in table 6.
TABLE 5
TABLE 6
As can be seen from the table, the BB cream prepared by the invention has no any allergy or irritation phenomenon to skin, which proves that the mildness of the BB cream is good.
Test 6: sun protection effect
The sun protection effect of the product was tested according to the cosmetic safety Specification (2015 edition) sun protection cosmetic sun protection index test method (human body method), and sun protection index (SPF) and long-wave ultraviolet protection index (PFA value) were tested, respectively, and the test results are shown in Table 7.
TABLE 7
| Sample of | SPF | PFA |
| Example 4 | 42.5 | 15.1 |
| Example 5 | 43.8 | 15.8 |
| Example 6 | 45.6 | 16.7 |
| Comparative example 1 | 46.5 | 14.5 |
As can be seen from the data in the table, the example of the present invention, although having a lower SPF, has a higher PFA than the comparative example, probably because the silica gel has a reduced uv reflection, but the absorption band of the colorant is changed due to the coordination inside thereof, thereby enhancing the uv reflection for a long wave.
Test 7: gloss level
The skin glossiness is tested by adopting a Glossymeter GL skin glossiness tester, a dividing and grouping test is carried out on the arm of a subject, a plurality of areas with similar original glossiness (V0) are selected on the arm respectively, then the glossiness (V1) test is carried out after different samples are smeared, the skin glossiness tester is kept stand for 3 hours, then artificial grease is sprayed, the skin glossiness (V3) is measured again after being kept stand for 3 minutes, and the test results are shown in Table 8.
TABLE 8
| Sample of | V1/V0 | V3/V1 |
| Example 4 | 3.22 | 0.82 |
| Example 5 | 3.11 | 0.75 |
| Example 6 | 3.02 | 0.71 |
| Comparative example 1 | 3.01 | 0.65 |
From the data in the table, the BB cream provided by the embodiment of the invention can effectively improve the glossiness of the skin, which shows that the elastic colorant can keep good light reflectivity, glossiness and concealing degree of the colorant, compared with the simple mixing of the added silica gel elastomer and the colorant, the glossiness is improved due to the fact that the colorant is targeted to fill fine lines and pores after the elastomer loads the colorant, and the flatness of the skin is greatly improved. In addition, V3/V1 after spraying the grease can illustrate the effect of the grease on the colorant, and the test results are consistent with test 3.
To verify the effect of component content on the performance of BB cream, BB cream of the following formulation was prepared and tested for human use feel score.
TABLE 9
Test 8: human body feeling
Volunteers aged 20-40 years, a group of 10 people used BB cream once a day for one month continuously, and the product used was evaluated as 5 points, preferably 4 points, generally 3 points, not 2 points, and very poorly 1 point according to the effect of use.
Table 10
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (10)
1. The BB cream is characterized by comprising the following components in percentage by mass: 6 to 20 weight percent of elastic colorant, 2 to 5 weight percent of hydrophobic porous silica, 2 to 7 weight percent of emulsifier, 10 to 20 weight percent of grease, 1 to 3 weight percent of film forming agent, 0.2 to 3 weight percent of thickening agent, 10 to 20 weight percent of humectant, 0 to 0.2 weight percent of pH regulator, 0 to 1 weight percent of antioxidant, 0.05 to 0.2 weight percent of spice, 0.5 to 2 weight percent of preservative, 0.05 to 0.1 weight percent of EDTA disodium and the balance of water;
The elastic colorant D (50) is 50-80 mu m; the preparation method comprises the following steps: amino silicone oil, dialdehyde compound and para-aminobenzoic acid are dissolved in a solvent, then colorant is added for ultrasonic dispersion to obtain suspension, and the elastic colorant is obtained after spray drying, washing and common drying.
2. A BB cream according to claim 1, characterized in that the hydrophobic porous silica has a particle size of 10-20 μm.
3. BB cream according to claim 1, wherein said amino silicone oil has a number average molecular weight of 1-10 kDa and an amine number of 1-2 mmol/g.
4. A BB cream according to claim 1, characterized in that the dialdehyde compound is selected from one of glutaraldehyde, hexanedial, heptanedial, octanednal, nonanedial.
5. The BB cream according to claim 1, wherein the mass ratio of the coloring agent, the amino silicone oil, the dialdehyde compound and the para-aminobenzoic acid is 1-1.2: 1:0.1:0.1 to 0.2.
6. A BB cream according to claim 1, characterized in that the solid content of the colorant powder in the suspension is 55-65% by weight.
7. The BB cream of claim 1, wherein the colorant has a particle size of 200-800 nm and comprises at least one of titanium dioxide, zinc oxide, and iron oxide-based pigments, and the iron oxide comprises yellow iron oxide, red iron oxide, and black iron oxide.
8. A BB cream according to claim 1, characterized in that the emulsifying agent is chosen from: at least one of PEG-10 polydimethylsiloxane, PEG-15 polydimethylsiloxane, lauryl PEG-9 polydimethylsiloxane ethyl polydimethylsiloxane, cetyl PEG/PPG-10/1 polydimethylsiloxane.
9. A BB cream according to claim 1, characterized in that the fat is selected from: at least one of isododecane, isohexadecane, isononyl isononanoate, dioctyl carbonate, propyl heptyl octanoate, caprylic/capric triglyceride, dibutyl adipate, cyclopentadimethicone, dimethicone, C20-24 olefins, isopropyl myristate, isopropyl palmitate, cetostearyl alcohol, behenyl alcohol, propyl heptyl octyl, coco-caprylic/capric ester, silicone oil.
10. A BB cream according to claim 1, characterized in that the film forming agent is selected from: at least one of trimethylsiloxysilicate and polyvinylpyrrolidone (PVP).
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| CN202410402894.0A Pending CN118078654A (en) | 2024-04-03 | 2024-04-03 | BB cream and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180318188A1 (en) * | 2014-07-10 | 2018-11-08 | Shanghai Co-Fun Biotech Co., Ltd | Foundation with controllable color change |
| CN109602643A (en) * | 2018-12-10 | 2019-04-12 | 广州玮弘祺生物科技有限公司 | A kind of BB frost and preparation method thereof |
| CN115554176A (en) * | 2022-09-23 | 2023-01-03 | 广州玮弘祺生物科技有限公司 | Sunscreen particle dispersion, sunscreen composition with stable sunscreen agent and preparation method of sunscreen composition |
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- 2024-04-03 CN CN202410402894.0A patent/CN118078654A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180318188A1 (en) * | 2014-07-10 | 2018-11-08 | Shanghai Co-Fun Biotech Co., Ltd | Foundation with controllable color change |
| CN109602643A (en) * | 2018-12-10 | 2019-04-12 | 广州玮弘祺生物科技有限公司 | A kind of BB frost and preparation method thereof |
| CN115554176A (en) * | 2022-09-23 | 2023-01-03 | 广州玮弘祺生物科技有限公司 | Sunscreen particle dispersion, sunscreen composition with stable sunscreen agent and preparation method of sunscreen composition |
Non-Patent Citations (1)
| Title |
|---|
| 刘铭等: "铁黄颜料的表面改性及其 在超高分子量聚乙烯中的应用", 《纺织学报》, vol. 39, no. 2, 28 February 2018 (2018-02-28), pages 86 - 90 * |
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