CN112675076A - Cosmetic composition for brightening skin color and preparation method and application thereof - Google Patents
Cosmetic composition for brightening skin color and preparation method and application thereof Download PDFInfo
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- CN112675076A CN112675076A CN202110010255.6A CN202110010255A CN112675076A CN 112675076 A CN112675076 A CN 112675076A CN 202110010255 A CN202110010255 A CN 202110010255A CN 112675076 A CN112675076 A CN 112675076A
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Images
Abstract
The invention discloses a cosmetic composition for brightening skin color and a preparation method and application thereof, and relates to the technical field of cosmetics. The composition comprises, by mass, 50% -80% of deionized water, 0.5% -10% of glycerol, 0.1% -5% of nicotinamide, 0.5% -10% of butanediol, 1% -8% of an antibacterial agent, 0.01% -0.2% of xanthan gum, 0.1% -2% of PEG-60 hydrogenated castor oil, 5% -30% of cyclopentadimethylsiloxane/cyclohexasiloxane (DC345), 0.1-2% of squalane, 0.1% -2% of macadamia nut seed oil, 0.1% -2% of wheat germ oil and 1% -5% of pearl powder. The cosmetic composition is of a unique three-layer structure, is used after being shaken uniformly, and the pearl powder carries liquid, so that the pearl powder cannot fly powder during use, is convenient to take and use, cannot be inhaled into a human body, and is safe to the human body; not only has the brightening function of the color cosmetics, but also has the skin care function, and belongs to the combination of the color cosmetics and the skin care field. According to the preparation method provided by the invention, the pearl powder and the deionized water are mixed and then added into an emulsified system, and the production process is free of dust and is friendly to the environment and production personnel.
Description
Technical Field
The invention relates to the technical field of cosmetics, in particular to a cosmetic composition for brightening skin color and a preparation method and application thereof.
Background
With the rapid development of cosmetic technology and the adaptation of consumer demand for innovation, cosmetic formulations are more and more innovative and diversified. The commercially available skin color brightening product belongs to a color cosmetic series, is used for eyebrow bones, cheekbones, eye peripheries, nose bridges, chin and other parts after makeup, and can modify facial contours to make the face more three-dimensional and layered. The commercially available brightening product dosage forms comprise brightening liquid, brightening powder, brightening rods and the like, most of the brightening liquid, the brightening powder, the brightening rods and the like are homogeneous systems, and titanium dioxide and mica are added into the systems for filling so as to achieve the purpose of modification. The commercial brightening product is thick and airtight in use feeling, pores are easily blocked by the powder, and skin problems such as acne, sensitivity, roughness and the like are easily caused after long-term use. Therefore, the development of a product with both color makeup effect and skin care effect is of great significance.
Disclosure of Invention
The invention aims to solve the technical problems that the existing skin color brightening product has thick use feeling and is easy to cause skin problems such as acne growth, pore blockage and the like.
In order to solve the above problems, the present invention proposes the following technical solutions:
in a first aspect, the embodiment of the present invention provides a skin color lightening cosmetic composition, which comprises the following components, by mass:
50-80% of deionized water, 0.5-10% of glycerol, 0.1-5% of nicotinamide, 0.5-10% of butanediol, 1-8% of antibacterial agent, 0.01-0.2% of xanthan gum, 0.1-2% of PEG-60 hydrogenated castor oil, 5-30% of cyclopentadimethylsiloxane/cyclohexasiloxane (DC345), 0.1-2% of squalane, 0.1-2% of macadamia nut seed oil, 0.1-2% of wheat germ oil and 1-5% of pearl powder.
The pearl powder is a mixture of synthetic fluorophlogopite, titanium dioxide and tin oxide.
The pearl powder is synthesized fluorophlogopite/titanium dioxide/tin oxide, does not use natural mica from the sea, avoids destroying the ecological environment and is environment-friendly.
The further technical proposal is that the antibacterial agent is 1, 2-hexanediol and/or 1, 2-pentanediol.
The mild polyhydric alcohol 1, 2-hexanediol and 1, 2-pentanediol are used as the antibacterial agent, which is different from the traditional preservative, so that the irritation of the product can be reduced to the maximum extent, and the product is safer.
The further technical proposal is that the dosage of the 1, 2-hexanediol in the cosmetic composition for lightening the skin color is 0.5 to 4 percent.
The further technical proposal is that the dosage of the 1, 2-pentanediol in the cosmetic composition for lightening the skin color is 0.5 to 4 percent.
The technical scheme is that the cosmetic composition for lightening the skin color is of a three-layer structure in a static state.
The cosmetic composition for brightening the skin color provided by the embodiment of the invention takes the PEG-60 hydrogenated castor oil as an emulsifier, and is added with the pearlescent powder which can be precipitated and has a shining visual effect, so that the cosmetic composition has a unique three-layer appearance. The light volatile oil DC345 is used as an emulsion layer carrier, so that the skin is fresh and not greasy, and the skin is kept dry and comfortable. And three skin care grease of squalane, macadamia nut seed oil and wheat germ oil are added to achieve the effect of nourishing and repairing the skin.
As can be appreciated, cyclopentadimethicone/cyclohexasiloxane (DC345) is light, refreshing, and non-greasy in texture, and its amount can affect the ratio of the three-layer structure.
The invention provides application of the skin color brightening cosmetic composition in cosmetics with skin color brightening and skin care effects.
In a second aspect, embodiments of the present invention provide a method of preparing a skin lightening cosmetic composition as described in the first aspect, comprising the steps of:
s1, proportionally mixing glycerol, nicotinamide, butanediol, xanthan gum, PEG-60 hydrogenated castor oil and part of deionized water in a main container to form phase A, heating to 75-90 ℃, and stirring until the mixture is uniform and has no particles;
s2, putting cyclopentadimethylsiloxane/cyclohexasiloxane, squalane, macadamia nut seed oil and wheat germ oil into a container, uniformly mixing to form a phase B, heating to 75-90 ℃, and stirring until uniform particles are avoided;
s3, adding the phase B obtained in the step S2 into the phase A of the main container, homogenizing, and stirring until the mixture is uniform and free of particles;
s4, setting the antibacterial agent as phase C, cooling the product of S3 to 40-50 ℃, adding the product into the main container, homogenizing and uniformly stirring;
s5, placing the rest deionized water and the pearl powder in a container, mixing to form a uniform D phase, adding the D phase into the main container, and stirring uniformly;
s6, discharging, and bottling to obtain the cosmetic composition for brightening the skin color.
The further technical scheme is that in the step S6, after the cosmetic composition for brightening the skin color is bottled and stands still, the cosmetic composition for brightening the skin color is of a three-layer structure.
The further technical scheme is that in the steps S3 and S4, the homogenizing condition is that the rotation speed is 800-.
The further technical proposal is that the rotating speed during stirring is 20-50 rpm.
Compared with the prior art, the invention can achieve the following technical effects:
1. the cosmetic composition for brightening the skin color can be used before and after makeup, not only can be used for the face, but also can be used for exposed parts of the body, such as clavicle, neck, arm, lower leg and the like, and plays a role in decorating the lines of the body.
2. The cosmetic composition for brightening the skin color provided by the invention not only has the brightening effect of makeup, but also has the skin care effect, and belongs to a combination of the makeup and the skin care field.
3. The cosmetic composition for brightening the skin color provided by the invention is mild in formula, and does not contain essence or traditional preservative.
4. Compared with the existing system, the cosmetic composition for brightening the skin color is a unique three-layer structure, is used after being shaken uniformly, and the pearl powder carries liquid, so that the pearl powder cannot fly, is convenient to take and use, cannot be inhaled into a human body, and is safe to the human body.
5. The preparation method of the cosmetic composition for brightening the skin color provided by the invention is that the traditional sheet type product for brightening the skin color is uniformly sheared by the powdering machine at a high speed during the process production, the powder is taken and pressed into blocks during the production of finished products, a large amount of dust is generated in the whole process, and the preparation method is unsafe for the environment and production personnel. When the process is used for production, the pearl powder and the deionized water are mixed and then added into an emulsified system, so that a large amount of dust can be effectively avoided, and the process is friendly to the environment and production personnel.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a sensory evaluation result of a skin color lightening cosmetic composition according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments. It is apparent that the embodiments to be described below are only a part of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following examples, the percentages are by weight.
Examples 1 to 5 of the present invention provide a skin-lightening cosmetic composition, and the formulation thereof is shown in table 1.
TABLE 1 formulation of skin lightening cosmetic compositions of examples 1-5
Examples 6 to 10 of the present invention provide a skin-lightening cosmetic composition, and the formulation thereof is shown in Table 2.
TABLE 2 formulation of skin lightening cosmetic compositions of examples 6-10
Examples 1 to 5 and examples 6 to 10 provide a skin color lightening cosmetic composition prepared by the following steps:
1. putting deionized water, glycerol, nicotinamide, butanediol, xanthan gum and PEG-60 hydrogenated castor oil into a main container, uniformly mixing to form a phase A, heating to 85 ℃, and stirring at 30rpm until the mixture is uniform and has no particles;
2. placing DC345 (Cyclopenta dimethyl siloxane/cyclohexasiloxane), squalane, macadamia nut (MACADAMIA TERNIFOLIA) seed oil, and wheat (TRITICUM VULGARE) germ oil in a container, mixing to form phase B, heating to 85 deg.C, stirring at 30rpm until it is uniform and has no particles;
3. adding phase B into phase A of the main container, and homogenizing at 1000rpm for 1 min; stirring uniformly at 20rpm without particles;
4. taking 1, 2-hexanediol and 1, 2-pentanediol as a C phase, cooling to 45 ℃, sequentially adding into a main container, and homogenizing at 1000rpm for 1 min; stirring uniformly at 20 rpm;
5. putting deionized water and pearl powder into a container, mixing to form a uniform phase D, adding into a main container, and stirring uniformly;
6. discharging and standing to obtain the three-layer composition.
The appearance of the cosmetic composition for lightening skin color prepared in example 1 is pearly milky, and after standing for 12 hours at normal temperature, a three-layer composition with a milky upper layer, a transparent watery middle layer and a pearly powdery lower layer is obtained, wherein the height ratio of the upper layer to the middle layer to the lower layer is 1.0: 5.0: 1.0.
the appearance of the composition prepared in this example 2 is pearly milky, and after standing for 12 hours at normal temperature, a three-layer composition with a milky upper layer, a transparent and watery middle layer and a pearly powder lower layer is obtained, wherein the height ratio of the upper, middle and lower layers is 1.5: 4.5: 1.0.
the appearance of the composition prepared in this example 3 is pearly milky, and after standing for 12 hours at normal temperature, a three-layer composition with a milky upper layer, a transparent and watery middle layer and a pearly powder lower layer is obtained, wherein the height ratio of the upper, middle and lower layers is 2.0: 4.0: 1.0.
the appearance of the composition prepared in this example 4 is pearly milky, and after standing for 12 hours at normal temperature, a three-layer composition with a milky upper layer, a transparent and watery middle layer and a pearly powder lower layer is obtained, wherein the height ratio of the upper, middle and lower layers is 4.0: 5.0: 1.0.
the appearance of the composition prepared in this example 5 is pearly milky, and after standing for 12 hours at normal temperature, a three-layer composition with a milky upper layer, a transparent and watery middle layer and a pearly powder lower layer is obtained, wherein the height ratio of the upper, middle and lower layers is 1.0: 1.5: 1.0.
the appearance of the composition prepared in this example 6 is pearly milky, and after standing for 12 hours at normal temperature, a three-layer composition with a milky upper layer, a transparent and watery middle layer and a pearly powder lower layer is obtained, wherein the height ratio of the upper, middle and lower layers is 1.0: 5.0: 1.0.
the appearance of the composition prepared in this example 7 is pearly milky, and after standing for 12 hours at normal temperature, a three-layer composition with a milky upper layer, a transparent and watery middle layer and a pearly powder lower layer is obtained, wherein the height ratio of the upper, middle and lower layers is 1.0: 5.0: 1.0.
the appearance of the composition prepared in this example 8 is pearly milky, and after standing for 12 hours at normal temperature, a three-layer composition with a milky upper layer, a transparent and watery middle layer and a pearly powder lower layer is obtained, wherein the height ratio of the upper, middle and lower layers is 2.0: 4.0: 1.0.
the appearance of the composition prepared in this example 9 is pearly milky, and after standing for 12 hours at normal temperature, a three-layer composition with a milky upper layer, a transparent and watery middle layer and a pearly powder lower layer is obtained, wherein the height ratio of the upper, middle and lower layers is 2.0: 4.0: 1.0.
the appearance of the composition prepared in this example 10 is pearly milky, and after standing for 12 hours at normal temperature, a three-layer composition with a milky upper layer, a transparent and watery middle layer and a pearly powder lower layer is obtained, wherein the height ratio of the upper, middle and lower layers is 2.0: 4.0: 1.0.
comparative example 1: double-layer composition containing pearl powder
The formulation is shown in Table 3.
TABLE 3
Comparative example 1 provides a pearlescent powder-containing two-layer composition prepared by the following steps:
1. putting deionized water, glycerol, nicotinamide, butanediol and xanthan gum into a main container, uniformly mixing to form phase A, heating to 85 ℃, and stirring at 30rpm until the mixture is uniform and has no particles;
2. taking 1, 2-hexanediol and 1, 2-pentanediol as a C phase, cooling to 45 ℃, sequentially adding into a main container, and homogenizing at 1000rpm for 1 min; stirring uniformly at 20 rpm;
3. putting deionized water and pearl powder into a container, mixing to form a uniform phase D, adding into a main container, and stirring uniformly;
4. discharging and standing to obtain the double-layer composition.
The bilayer composition containing the pearl essence provided in comparative example 1 lacks PEG-60 hydrogenated castor oil, cyclopentadimethylsiloxane/cyclohexasiloxane, squalane, macadamia nut seed oil, and wheat germ oil, and the prepared appearance is pearl liquid, and after standing for 1 hour at normal temperature, the bilayer composition with the upper layer being transparent and watery and the lower layer being pearl powder is obtained, wherein the height ratio of the upper bilayer to the lower bilayer is 6.0: 1.0.
comparative example 2: double-layer composition without pearl powder
The formulation is shown in Table 4.
TABLE 4
Comparative example 2 a pearlescent powder-free bilayer composition was prepared by the following steps:
1. putting deionized water, glycerol, nicotinamide, butanediol, xanthan gum and PEG-60 hydrogenated castor oil into a main container, uniformly mixing to form a phase A, heating to 85 ℃, and stirring at 30rpm until the mixture is uniform and has no particles;
2. placing DC345, squalane, macadamia nut (MACADAMIA TERNIFOLIA) seed oil, and wheat (TRITICUM VULGARE) germ oil in a container, mixing to form phase B, heating to 85 deg.C, stirring at 30rpm until uniform and no granule;
3. adding phase B into phase A of the main container, and homogenizing at 1000rpm for 1 min; stirring uniformly at 20rpm without particles;
4. taking 1, 2-hexanediol and 1, 2-pentanediol as a C phase, cooling to 45 ℃, sequentially adding into a main container, and homogenizing at 1000rpm for 1 min; stirring uniformly at 20 rpm;
5. discharging and standing to obtain the double-layer composition.
Comparative example 2 provides a pearlescent powder-free two-layer composition lacking pearlescent powder, the composition just prepared is milky in appearance, and after standing at room temperature for 12 hours, a milky upper layer and a transparent watery lower layer are obtained, the height ratio of the upper and lower layers being 1.0: 6.0.
comparative example 3: a cosmetic composition for lightening skin color using conventional antiseptic
The formulation is shown in Table 5.
TABLE 5
Comparative example 3 a skin color-lightening cosmetic composition using a conventional preservative was prepared by the following steps:
1. putting deionized water, glycerol, nicotinamide, butanediol, xanthan gum and PEG-60 hydrogenated castor oil into a main container, uniformly mixing to form a phase A, heating to 85 ℃, and stirring at 30rpm until the mixture is uniform and has no particles;
2. placing DC345 (Cyclopenta dimethyl siloxane/cyclohexasiloxane), squalane, macadamia nut (MACADAMIA TERNIFOLIA) seed oil, and wheat (TRITICUM VULGARE) germ oil in a container, mixing to form phase B, heating to 85 deg.C, stirring at 30rpm until it is uniform and has no particles;
3. adding phase B into phase A of the main container, and homogenizing at 1000rpm for 1 min; stirring uniformly at 20rpm without particles;
4. taking phenoxyethanol and methyl hydroxybenzoate as phase C, cooling to 45 deg.C, sequentially adding into main container, and homogenizing at 1000rpm for 1 min; stirring uniformly at 20 rpm;
5. putting deionized water and pearl powder into a container, mixing to form a uniform phase D, adding into a main container, and stirring uniformly;
6. discharging and standing to obtain the three-layer composition.
Comparative example 3 provides a skin color lightening cosmetic composition using a conventional preservative, which is a pearlescent milky appearance, and after standing at normal temperature for 12 hours, gives a three-layer composition of milky upper layer, transparent watery middle layer and pearlescent powdery lower layer, the height ratio of the upper, middle and lower three layers being 2.0: 4.0: 1.0.
examples 1 to 5 (a skin-lightening cosmetic composition), comparative example 1 (a two-layer composition containing pearl essence), comparative example 2 (a two-layer composition containing no pearl essence), and comparative example 3 (a skin-lightening cosmetic composition using a conventional preservative) were subjected to an effect comparison test, as follows:
1. the mildness is evaluated by the chick embryo chorioallantoic membrane vascular stimulation test (CAMVA), and the specific experimental method and evaluation criteria are as follows:
laboratory principle: directly contacting a certain amount of test substance (40 μ l) with chick embryo allantoic membrane, observing the degree of chorioallantoic membrane blood vessel injury (such as ghost blood vessel, capillary blood vessel congestion or hemorrhage) after acting for a period of time (30min), and scoring different blood vessel injury degrees to judge the irritation of the test substance.
And (4) analyzing results:
NC value: the irritation level of the test subjects was compared according to the average score size (i.e., NC value) of the vascular injury score.
Evaluation criteria:
experimental 0 < NC ≦ 2 shows irritative stimulation, i.e. no traumatic stimulation. The capillary vessels were not damaged by bleeding at this time.
The two components 2 < NC ≦ 3 are shown as slight stimulation, namely slight traumatic stimulation is generated at the moment, and capillary blood vessels are slightly hemorrhagic and injured.
And the result that < 3 > NC ≦ 5 represents moderate stimulation, namely, severe traumatic stimulation is generated at the moment, and capillary vessels have severe bleeding injury and are possibly irreversible injury.
NC > 5 indicates severe irritation, that is, extremely severe injurious irritation, and when capillary vessels bleed over a large area and the amount of bleeding is large, irreversible injury occurs.
10 chick embryos were taken from each sample and the evaluation results are shown in Table 6.
TABLE 6 Mild evaluation test results
| Serial number | Test sample | NC value | Irritation property | Determination of |
| 1 | Example 1 | 2 | Non-traumatic stimulation | Qualified |
| 2 | Example 2 | 1 | Non-traumatic stimulation | Qualified |
| 3 | Example 3 | 0 | Non-traumatic stimulation | Qualified |
| 4 | Example 4 | 1 | Non-traumatic stimulation | Qualified |
| 5 | Example 5 | 1 | Non-traumatic stimulation | Qualified |
| 6 | Comparative example 1 | 0 | Non-traumatic stimulation | Qualified |
| 7 | Comparative example 2 | 0 | Non-traumatic stimulation | Qualified |
| 8 | Comparative example 3 | 2.5 | Mild traumatic stimulation | Fail to be qualified |
The results in Table 6 show that examples 1-5 and comparative examples 1-2 are temperature-uniformed and non-irritating; comparative example 3 showed slight damaging irritation due to the use of the conventional preservative, and was not qualified.
2. Sensory evaluation and efficacy testing: examples 1-5 (a skin lightening cosmetic composition), comparative example 1 (a pearlescent powder-containing bilayer composition), and comparative example 2 (a pearlescent powder-free bilayer composition) were evaluated by 20 trained professional evaluators, and after trial, questionnaires were filled out.
(1) How do you think the instant lightening effect of the product? Score ()
(2) How do you think the product has a contouring effect? Score ()
(3) How do you like the appearance of the product? Score ()
(4) How do you think the product is moist? Score ()
(5) How do you have an overall satisfaction with the product? Score ()
Scores of 0, 1,2, 3 indicate very poor, not good, fair, and good, respectively.
And (4) after statistics is carried out on the questionnaire, a radar chart is prepared, and the larger the area in the chart is, the better the comprehensive index of the product is.
The evaluation results are shown in fig. 1, and the results in fig. 1 show that the macadamia nut seed oil and the wheat germ oil are absent in example 1, the wheat germ oil is absent in example 2, and the moistening degree is poor in examples 1-2 and comparative example 3; example 4, the addition amount of the pearl powder is too low, and example 5, the addition amount of the pearl powder is too high, so that the instant brightening effect and the contour modification effect are not good; comparative example 1 is a two-layer composition containing pearl essence, and the preference and the moistening degree of the appearance are lower than those of examples 1 to 5; comparative example 2 is a two-layer composition without pearl powder, the immediate brightening effect, the effect of modifying the profile being 0; the wettability, the immediate brightening effect, and the contouring effect of example 3 were all superior to those of examples 1-2, examples 4-5, and comparative examples 1-2.
In conclusion, in the evaluation results of examples 1 to 5 and comparative examples 1 to 2, the comprehensive index of example 3 is the best, and the comprehensive index of examples 1 to 5 is obviously superior to that of comparative examples 1 and 2. Therefore, the product of the invention can achieve excellent indexes and is popular with consumers due to the unique three-layer appearance system of the product.
The skin color lightening cosmetic compositions provided in examples 6 to 10 can also achieve the effects of moisturizing, immediate lightening, and contouring.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
While the invention has been described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The cosmetic composition for lightening the skin color is characterized by comprising the following components in percentage by mass:
50-80% of deionized water, 0.5-10% of glycerol, 0.1-5% of nicotinamide, 0.5-10% of butanediol, 1-8% of antibacterial agent, 0.01-0.2% of xanthan gum, 0.1-2% of PEG-60 hydrogenated castor oil, 5-30% of cyclopentadimethylsiloxane/cyclohexasiloxane, 0.1-2% of squalane, 0.1-2% of macadamia nut seed oil, 0.1-2% of wheat germ oil and 1-5% of pearl powder.
2. The skin lightening cosmetic composition of claim 1 wherein the pearlescent flakes are a mixture of synthetic fluorophlogopite, titanium dioxide, tin oxide.
3. The skin color lightening cosmetic composition of claim 1, wherein the antibacterial agent is 1, 2-hexanediol and/or 1, 2-pentanediol.
4. The skin lightening cosmetic composition of claim 3, wherein 1, 2-hexanediol is present in an amount of from 0.5% to 4% of the skin lightening cosmetic composition.
5. The skin lightening cosmetic composition of claim 4, wherein the 1, 2-pentanediol is present in the skin lightening cosmetic composition in an amount of from 0.5% to 4%.
6. The skin color lightening cosmetic composition of claim 5, wherein the skin color lightening cosmetic composition has a three-layer structure in a static state.
7. Use of the skin color lightening cosmetic composition as claimed in any one of claims 1 to 6 in cosmetics having skin lightening and skin care effects.
8. A method for preparing a skin-lightening cosmetic composition as claimed in any one of claims 1 to 6, comprising the steps of:
s1, proportionally mixing glycerol, nicotinamide, butanediol, xanthan gum, PEG-60 hydrogenated castor oil and part of deionized water in a main container to form phase A, heating to 75-90 ℃, and stirring until the mixture is uniform and has no particles;
s2, putting cyclopentadimethylsiloxane/cyclohexasiloxane, squalane, macadamia nut seed oil and wheat germ oil into a container, uniformly mixing to form a phase B, heating to 75-90 ℃, and stirring until uniform particles are avoided;
s3, adding the phase B obtained in the step S2 into the phase A of the main container, homogenizing, and stirring until the mixture is uniform and free of particles;
s4, setting the antibacterial agent as phase C, cooling the product of S3 to 40-50 ℃, adding the product into the main container, homogenizing and uniformly stirring;
s5, placing the rest deionized water and the pearl powder in a container, mixing to form a uniform D phase, adding the D phase into the main container, and stirring uniformly;
s6, discharging, and bottling to obtain the cosmetic composition for brightening the skin color.
9. The method for preparing a skin-tone-brightening cosmetic composition according to claim 8, wherein the homogenization conditions in steps S3 and S4 are 800-1500rpm for 30-300S.
10. The method for preparing a skin color lightening cosmetic composition according to claim 8, wherein the rotation speed at the time of the stirring is 20 to 50 rpm.
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| CN113413355A (en) * | 2021-07-08 | 2021-09-21 | 马应龙大健康有限公司 | Eye cream with instant brightening and wrinkle reducing effects and preparation method thereof |
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