CN112494400A

CN112494400A - Organic pressed powder and preparation method thereof

Info

Publication number: CN112494400A
Application number: CN202011479092.8A
Authority: CN
Inventors: 楼彪; 从云玲
Original assignee: Jiaoshi Daily Chemical Hangzhou Co ltd
Current assignee: Jiaoshi Daily Chemical Hangzhou Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-03-16

Abstract

The application relates to the technical field of cosmetics, and particularly discloses an organic pressed powder and a preparation method thereof, wherein the organic pressed powder comprises the following components in percentage by weight: 46-48% of dimethyl imidazolidinone rice starch, 5-7% of dimethyl silylated silica, 4-5% of jojoba seed oil, 11-15% of a first skin conditioner, 2.5-3.5% of a second skin conditioner, 1.3-1.8% of an antioxidant, 1.2-1.7% of whitening powder, 5.5-6.5% of an adhesive, 7-9% of a colorant, 1.7-1.9% of a preservative and the balance squalane; the first skin conditioner comprises plant extract and kudzu starch; the preparation method of the organic pressed powder comprises the following steps: mixing dimethyl imidazolidinone rice starch, magnesium myristate, dimethyl silylated silica, a coloring agent, a first skin conditioner and whitening powder, adding jojoba seed oil, squalane, an antioxidant, a second skin conditioner and a preservative, uniformly mixing to obtain a second mixture, and pressing to obtain an organic pressed powder; the organic powder cake has skin protecting effect.

Description

Organic pressed powder and preparation method thereof

Technical Field

The application relates to the technical field of cosmetics, in particular to an organic pressed powder and a preparation method thereof.

Background

With the improvement of living standard, beauty is becoming an unavailable part of modern life against the above-mentioned related technologies. The pressed powder is one of many beauty products, and is a cake-shaped solid beauty product formed by mixing and pressing a plurality of powder raw materials (including pigments) and adhesives (oil components).

The main components of the pressed powder are raw materials such as system powder, coloring pigment, white pigment, preservative and the like, and sometimes metal soap with preservative is added, so that the pressed powder has the functions of makeup supplementing, adhering, spreading, coloring and modifying; the main powder mainly adopts talc powder, mica powder, titanium dioxide, zinc oxide and other mineral raw materials, and absorbs the grease secreted by the face while filling pores, so that the makeup feeling of a silky and misty face is produced.

In view of the above-mentioned related technologies, although the mineral materials such as talc have the effects of filling pores and adsorbing oil and fat, if the cake containing the mineral materials is used for a long time or makeup removal is incomplete, pores, sweat glands and sebaceous glands are easily blocked, and normal physiological functions of the skin are affected, so that the defects of the face, such as pigmentation, acne and the like, are deepened, and the skin is further damaged.

Content of application

In order to improve the protection effect on the skin, the application provides an organic pressed powder and a preparation method thereof.

In a first aspect, the application provides an organic pressed powder, which adopts the following technical scheme:

46-48% of dimethyl imidazolidinone rice starch;

silica dimethyl silylate 5-7%;

4-5% of jojoba seed oil;

11-15% of a first skin conditioner;

2.5-3.5% of a second skin conditioner;

1.3 to 1.8 percent of antioxidant;

whitening powder 1.2-1.7%;

5.5 to 6.5 percent of adhesive;

7-9% of a colorant;

1.7 to 1.9 percent of preservative;

the balance of squalane;

the first skin conditioner is composed of plant extract and kudzu starch;

the antioxidant comprises Aloe barbadensis leaf juice, grapefruit peel oil, vanilla planifolia extract, and tocopheryl acetate.

By adopting the technical scheme, the dimethyl imidazolidinone rice starch is adopted as the main powder, the particle size is small, and the dimethyl imidazolidinone rice starch is matched with the adhesive, so that the skin adhesive force is good, and the covering power is strong; meanwhile, the skin pores are not easy to block, so that the damage to the facial skin is reduced; in addition, squalane, silica dimethyl silylate and jojoba seed oil can enhance the repair of the skin surface, promote the balance between skin and sebum, and simultaneously ensure smooth pores and prevent pores from being blocked by the action of water absorption, oil absorption and the like, thereby further protecting the facial skin; the plant extract and the kudzu starch are used as a first skin conditioner, and through the matching of the kudzu starch and the plant extract, the plant extract and flavonoid substances contained in the kudzu starch eliminate various free radicals, reduce the generation of inflammation and promote the metabolism of skin, thereby preventing rough skin. Due to the fact that the water locking effect of the jojoba seed oil is poor, the water locking effect of the organic pressed powder is improved by matching with the second skin conditioner, and the water locking capacity of the skin is further improved; the antioxidant consisting of aloe vera leaf juice, grapefruit peel oil, passion fruit extract and tocopherol acetate has high anti-aging and spot-lightening functions, and is matched with the first skin conditioner and the second skin conditioner to further delay skin aging; on one hand, whitening powder has whitening effect, thereby endowing skin with luster and brightness; on the other hand, the whitening powder is fine and smooth in powder quality and easy to absorb, and is matched with an antioxidant to achieve the purposes of spot lightening and anti-aging; the preservative is used for prolonging the service time of the organic pressed powder, and the colorant is mainly used for selecting proper colors for people with different complexion, correcting the complexion and improving the glossiness of the face skin.

In conclusion, the dimethyl imidazolidinone rice starch is adopted to replace the talcum powder, so that the mask has good covering power and is not easy to block pores; and improves the skin adhesion of the organic powder cake together with the adhesive, thereby giving the skin a glossy feeling and a silky skin feeling; squalane, silica dimethyl silylate and jojoba seed oil are adopted to strengthen the repair of the skin surface through the effects of water absorption, oil absorption and the like; by matching the first skin conditioner, the second skin conditioner, the antioxidant and the whitening powder, pore blockage is prevented, generation of melanin and pox is reduced, and the protective effect of the organic powder cake on the skin is further improved.

Preferably, the components of the first skin conditioning agent and the weight fraction of each component in the total amount of the pressed powder are as follows:

lotus root extract 8.5-9.5%;

0.45-0.55% of camellia extract;

0.45-0.55% of apple fruit extract;

0.75-0.85% of albizia bark extract;

0.45-0.55% of chrysanthemum extract;

1.9 to 2.1 percent of kudzu starch.

By adopting the technical scheme, various plant extracts can eliminate various free radicals and have better anti-inflammatory and anti-allergic effects; the kudzu starch can promote cell metabolism, and the rough and dry skin can be further reduced by the cooperation of the plant extract and the kudzu starch, so that the effect of protecting the skin can be achieved.

Preferably, the weight fractions of the components of the antioxidant in the total organic powder cake are as follows:

aloe barbadensis leaf juice 0.04-0.06%;

grapefruit peel oil 0.45-0.55%;

0.45-0.55% of passion fruit extract;

0.45-0.55% of tocopherol acetate.

By adopting the technical scheme, the antioxidant consisting of the aloe barbadensis leaf juice, the grapefruit peel oil, the tocopherol acetate and the vanilla planifolia fruit extract is adopted to promote the growth of fibrin and clear free radicals, and the antioxidant and the plant extract in the first skin conditioner act together to play a role in resisting skin aging; in addition, the tocopherol acetate is used as a vitamin E derivative and is combined with other substances in the antioxidant, so that the tocopherol acetate has high ultraviolet resistance, and simultaneously improves black spots of skin, thereby further playing a role in resisting oxidation.

Preferably, the second skin conditioner consists of a vegetable seed oil and shea butter.

By adopting the technical scheme, the vegetable seed oil improves the dryness of the skin from the inside of the skin, improves the appearance luster of the skin by being matched with the unsaturated fatty acid in the shea butter, locks the moisture of the skin, keeps the skin in a moist and tender state and plays a role in protecting the skin.

Preferably, the components of the second skin conditioner and the weight fraction of each component in the total amount of the pressed powder are as follows:

1.8 to 2.2 percent of castor seed oil;

0.4-0.6% of sunflower seed oil;

butyrospermum parkii fruit resin 0.4-0.6.

By adopting the technical scheme, the castor bean oil and the sunflower seed oil are preferably adopted as the plant seed oil, and the metabolism of skin cells is increased and the skin moisture is locked by matching the castor bean oil and the sunflower seed oil; in addition, the two ingredients and the shea butter act together to moisten the skin with damaged characters, and simultaneously improve the sensory quality and the use skin feeling of the organic pressed powder.

Preferably, the components of the whitening powder and the weight fraction of each component in the total amount of the pressed powder are as follows:

0.45 to 0.55 percent of rose pollen;

0.45 to 0.55 percent of pearl powder;

0.45-0.55% of silk powder.

By adopting the technical scheme, the three are used as natural substances, the irritation to skin is small, and the rose pollen and the pearl powder are matched to discharge harmful substances out of the body, so that the whitening, oil control and speckle reduction effects are achieved; meanwhile, a large amount of substances such as protein, amino acid, vitamin and the like contained in the silk powder and the silk peptide substances in the silk powder act together to further strengthen the effects of lightening spots and whitening; in addition, whitening powder is also matched with an antioxidant, so that the antioxidant and anti-aging capabilities of the organic pressed powder are further enhanced.

Preferably, the binder is magnesium myristate.

By adopting the technical scheme, magnesium myristate is preferably used as the adhesive, so that the magnesium myristate is easy to press into powder, and the cost is low; in addition, the oil-absorbing agent is matched with silica dimethyl silylate, so that the oil-absorbing effect and the emulsifying effect are better, and the oil control effect of the organic powder cake is further improved.

Preferably, the preservative consists of 78-82% by weight of glyceryl caprylate, 10-14% by weight of glyceryl undecylenate and the balance of 1, 2-pentanediol.

By adopting the technical scheme, the three components have better antibacterial and antiseptic effects in cooperation; meanwhile, the preservative from organic sources is safer and less irritant than the raw materials from chemical sources, so that the use feeling of the organic pressed powder is improved.

In a second aspect, the application provides a method for preparing an organic pressed powder, which adopts the following technical scheme:

a preparation method of organic pressed powder comprises the following steps:

s1, mixing the plant extract and the kudzu starch at 25 +/-2 ℃ to obtain a first skin conditioner; mixing rose pollen, pearl powder and silk powder to obtain whitening powder;

s2, mixing rice starch of dimethyl imidazolidone, magnesium myristate, silica dimethyl silylate and a coloring agent with a first skin conditioner and whitening powder to obtain a first mixture;

s3, mixing the aloe vera leaf juice, the grapefruit peel oil, the vanilla planifolia fruit extract and the tocopherol acetate at a temperature of 25 +/-2 ℃ to obtain the antioxidant; mixing castor bean oil, sunflower seed oil and shea butter to obtain a second skin conditioner; the preservative was obtained by mixing glyceryl caprylate, glyceryl undecabonate and 1, 2-pentanediol.

S4, adding jojoba seed oil, squalane, an antioxidant, a second skin conditioner and a preservative into the first mixture, mixing uniformly to obtain a second mixture, and pressing the second mixture to obtain the organic powder cake.

By adopting the technical scheme, the process is simpler, and meanwhile, stable and uniform organic powder cakes can be obtained; firstly, mixing a first skin conditioner, a second skin conditioner, an antioxidant, a preservative and the like, and preparing after mixing, so that each raw material can fully exert respective effect; meanwhile, all the raw materials in the organic pressed powder are uniformly mixed, so that the sensory quality and the use skin feeling of the organic pressed powder are further improved.

Preferably, the mixing and stirring speed in the step S2 is 900-1100r/min, and the mixing and stirring speed in the step S4 is 600-800 r/min.

Through adopting above-mentioned technical scheme, control mixing stirring speed for each raw materials evenly distributed improves painted even effect in the organic powder cake.

In summary, the present application has the following beneficial effects:

1. because dimethyl imidazolidone rice starch is used as main powder and is matched with the adhesive to improve the adhesion of skin and the covering power of organic powder cakes and prevent pores from being blocked; in addition, squalane, silica dimethyl silylate and jojoba seed oil further promote the balance between skin and sebum through the effects of water absorption, oil absorption and the like, so that the facial skin is protected; the plant extract and the kudzu starch are used as a first skin conditioner, so that the generation of inflammation is reduced, the skin metabolism is promoted, and the skin dryness is prevented; in addition, the antioxidant consisting of aloe vera leaf juice, grapefruit peel oil, passion fruit extract and tocopherol acetate has higher anti-aging and spot-lightening functions; through the matching of the dimethyl imidazolidinone rice starch, the antioxidant, the first skin conditioner and the second skin conditioner, pores are prevented from being blocked, the generation of melanin and pox is reduced, and the protective effect of the organic powder cake on the skin is further improved.

2. The first skin conditioner in the application preferably adopts lotus root extract, camellia extract, apple fruit extract, albizzia julibrissin durazz extract and chrysanthemum extract; the various plant extracts eliminate various skin free radicals, have the effects of resisting inflammation and allergy, and are matched with the kudzu starch to promote cell metabolism, so that the rough skin condition is further reduced, and the skin is protected; preferably, the antioxidant in a specific range is adopted to improve the antioxidation of the organic pressed powder; the second skin conditioner adopts plant seed oil and shea butter, and preferably adopts castor bean oil and sunflower seed oil as the plant seed oil, so that the metabolism of skin cells is increased, and simultaneously, the skin with damaged keratin is moistened, and the using skin feeling of the organic pressed powder is improved; the whitening powder is preferably a mixture of rose powder, pearl powder and silk powder, and is matched with an antioxidant to enhance the spot-fading and whitening effects of the organic pressed powder; the adhesive adopts magnesium myristate, so that the magnesium myristate is easily pressed into powder on one hand, and the magnesium myristate is matched with dimethyl silyl silica on the other hand to improve the oil control effect; the preservative is preferably composed of glyceryl caprylate, glyceryl undecylenate and 1, 2-pentanediol, and has good antibacterial and antiseptic effects and low irritation.

3. The preparation method is simple in preparation process, and the first skin conditioner and the second skin conditioner which are provided with a plurality of components are uniformly mixed and then prepared to obtain the organic pressed powder; meanwhile, various raw materials are uniformly mixed and dispersed in the organic pressed powder by controlling the stirring speed, so that the use skin feeling of the organic pressed powder is improved.

Detailed Description

The present application is described in further detail below.

Example 1 an organic pressed powder comprising the specific components and weights shown in table 1 was prepared as follows:

s1, mixing the plant extract and the kudzu starch at 25 ℃ to obtain a first skin conditioner; mixing rose pollen and pearl powder to obtain whitening powder;

s2, mixing and stirring the dimethyl imidazolidone rice starch, the magnesium myristate, the dimethyl silylated silica and the coloring agent with the first skin conditioner and the whitening powder at the stirring speed of 1100r/min, and uniformly mixing and stirring to obtain a first mixture;

s3, mixing the aloe vera leaf juice, the grapefruit peel oil, the vanilla planifolia fruit extract and the tocopheryl acetate at a temperature of 25 ℃ to obtain the antioxidant; mixing the shea butter to obtain a second skin conditioner; the preservative was obtained by mixing glyceryl caprylate, glyceryl undecabonate and 1, 2-pentanediol.

And S4, adding jojoba seed oil, squalane, an antioxidant, a second skin conditioner and a preservative into the first mixture, mixing and stirring at the speed of 600r/min to obtain a second mixture, and pressing the second mixture to obtain the organic powder cake.

Example 2 an organic powder compact was distinguished from example 1 in that the components and their weights were different, and the specific components and their weights included were as shown in table 1.

Examples 3-4 an organic pressed powder, which differs from example 2 in the components and weight of the first skin conditioning agent, was included as specified in table 1.

Examples 5 to 6 an organic pressed powder, which is different from example 4 in the weight of the antioxidant, was composed of the specific components and their weights shown in Table 1.

TABLE 1 Components and weights thereof in examples 1-6

Examples 7-8 an organic pressed powder, differing from example 6 in the composition and weight of the second skin conditioner, was included as specified in Table 2.

Examples 9-10 an organic pressed powder, which is different from example 8 in that the vegetable seed oil component and the weight thereof in the second skin conditioner were different, and the specific components and the weights thereof included were as shown in Table 2.

Examples 11 to 12 an organic pressed powder which is different from example 10 in the components and weight ratio of whitening powder and comprises the specific components and the weight thereof as shown in Table 2.

TABLE 2 Components and weights thereof in examples 7-12

Example 13 an organic pressed powder differing from example 12 in that an equal amount of magnesium myristate was used instead of the binder silicone oil.

Example 14 an organic compact was distinguished from example 13 in that the same amount of diglyceride was used instead of caprylic acid in the preservative.

Example 15 an organic powdery cake differing from example 13 in that the mixing and stirring speed in step S2 was 1100r/min and the mixing and stirring speed in step S4 was 800 r/min.

Comparative example

Comparative example 1A pressed powder differing from example 1 in that the dimethyl imidazolidinone rice starch was replaced by an equal amount of talc.

Comparative example 2 a pressed powder, which differs from example 1 in that the kudzu starch in the first skin conditioner was replaced by an equal amount of corn starch.

Comparative example 3 a pressed powder, which differs from example 1 in that an equal amount of squalane is used instead of the second skin conditioning agent.

Comparative example 4A pressed powder differing from example 1 in that the extract of the vanilla planifolia fruit in the antioxidant was replaced by an equal amount of squalane.

Comparative example 5A pressed powder differing from example 1 in that the grapefruit peel oil in the antioxidant was replaced with an equal amount of squalane.

Comparative example 6A pressed powder differing from example 1 in that the antioxidant was replaced by squalane in equal amounts.

Comparative example 7 a pressed powder, differing from example 1 in that the dimethylimidazolidinone rice starch and the primary skin-conditioning agent were replaced by equal amounts of talc.

Comparative example 8 a pressed powder differing from example 1 in that the dimethylimidazolidinone rice starch and the antioxidant were replaced with equal amounts of talc.

Comparative example 9 a pressed powder, differing from example 1 in that the dimethylimidazolidinone rice starch, the primary skin conditioning agent and the antioxidant were replaced by equal amounts of talc.

Comparative example 10A pressed powder, composition and preparation method were as follows:

the components and the weight of each component are as follows: 2 parts of iron white powder; 10 parts of corn flour; 20 parts of talcum powder; 10 parts of kaolin; 2 parts of silicone; 0.5 part of glycerol; 5 parts of octadecanol; 5 parts of potassium hydrogen tartrate; 1 part of ethylhexyl methoxycinnamate; 1 part of camellia seed oil; 0.1 part of ethylparaben.

The preparation method comprises the following steps:

(1) adding weighed iron white powder, corn flour, talcum powder and kaolin into a container, and crushing into powder with the fineness of 75-85;

(2) adding the solution obtained in the step (1) into silicone, and stirring until the solution is completely dissolved;

(3) adding glycerol, octadecanol, ethylhexyl methoxycinnamate and camellia seed oil into a beaker, and heating for dissolving;

(4) dissolving and mixing the steps (1), (2) and (3), adding potassium hydrogen tartrate and ethylparaben, fully mixing, and then treating at low temperature;

(5) and (4) performing punch forming.

Wherein the fineness in the step (1) is 80. The heating temperature in the step (3) is 50 ℃.

Characterization experiment:

experiment one: skin stain detection assay

The implementation of the sample: examples 1-15, comparative examples 1-10, and blank (without whitening composition base cream).

An experimental instrument: a VISIA skin detector (brand name Canfield, USA, model number VISIA-CR).

Subject: 260 healthy Chinese women with 25-45 years old, no obvious wounds and diseases on the face, no active allergic diseases, no allergic history to skin care cosmetics, color spots on the face and dark yellow skin were recruited, wherein 25 were experimental groups and correspond to examples 1-15 and comparative examples 1-10, respectively, and the remaining 1 was blank group.

The experimental method comprises the following steps:

experimental groups: after 8 am, the face was cleaned, and the skin was treated on the basis of the skin, examples 1 to 15 and comparative examples 1 to 10 were used on the whole face by means of pressing; the duration of the experimental period was 28 days.

Blank group: only cleaning the face and performing basic skin care at 8 am, and not smearing the organic powder cake after the basic skin care; the duration of the experimental period was 28 days.

Test methods for skin stains: the VISIA skin detector is adopted to test the whole face of the subject, and the spot change condition of the epidermis is detected and analyzed through optical imaging. The experimental and blank groups were tested 5 times and the average of 5 tests was taken. The values for D0, D28 were recorded and the rate of decrease from D0 to D28 values was calculated (D0 at 22 o 'clock day before the start of the experiment and D28 at 22 o' clock night 28 days after the experiment).

The reduction rate is calculated by the formula (D0-D28)/D0.

The experimental results are as follows: the results of the VISIA-CR experiments for examples 1-15, comparative examples 1-10, and the blank are shown in Table 3.

Second experiment skin elasticity experiment

The implementation of the sample: examples 1-15, comparative examples 1-10, and a blank.

Laboratory instruments and processing software: skin elasticity tester MPA580 and corresponding image processing software (curometer Dual software) from CK company, germany.

Subject: 260 healthy Chinese women who had dry face, had wrinkles such as dry lines, fine lines and the like, and had poor skin elasticity, who had no obvious wounds and diseases on the face of 25 to 45 years old in the same area, were recruited and divided into 26 groups on average, of which 25 groups were experimental groups and corresponded to examples 1 to 15 and comparative examples 1 to 10, respectively, and the remaining 1 group was a blank group.

The experimental method comprises the following steps:

Skin elasticity test method: the skin elasticity of the right face of the subject was tested using a skin elasticity tester MPA580 and corresponding image processing software (Cutometer Dual software) from CK, germany, taking R2 (the ratio of the springback without negative pressure to the maximum stretch with negative pressure) and taking the mean of the three test data. The closer the value is to 1, the better the skin elasticity. Carrying out the detection on the experimental group and the blank group, testing the experimental group and the blank group for 5 times, and taking the average value of the 5 times of detection; and respectively taking the average value of the test data as final skin elasticity data. The values for D0, D28 were recorded and the rate of increase from D0 to D28 was calculated (D0 at 22 days before the start of the experiment and D28 at 22 nights on day 28 of the experiment).

The calculation formula of the growth rate is (D28-D0)/D0.

The experimental results are as follows: the results of the skin elasticity effect test for examples 1 to 15, comparative examples 1 to 10 and the blank group are shown in Table 4.

TABLE 3 mottle test results for examples 1-15, comparative examples 1-10, and blank set

TABLE 4 results of skin elasticity effect experiment of examples 1-15, comparative examples 1-10 and blank group

In tables 3 and 4, the reduction rate of the color spots was higher in examples 1 to 17, and the skin elasticity R2 value was also increased more. The rate of reduction of color spots is 14.93-17.69%, the rate of increase of skin elasticity is 6.32-8.63%, while the rate of reduction of color spots of comparative examples 1-10 and blank group is 1.65-8.24%, the rate of increase of R2 value of skin elasticity is 0.45-4.11%, and the effects of lightening color spots and anti-aging and moisturizing of comparative examples 1-10 are less than those of examples 1-15; for the blank group, examples 1-15 had a greater enhancing effect on skin lightening and anti-aging moisturizing properties.

Comparing examples 1 to 4 and comparative examples 1 to 10, it is found that the dimethyl imidazolidinone rice starch used as the main powder hardly blocks skin pores compared with talc, does not cause large pores even after long-term use, and reduces the problems of skin inflammation and increased flaws caused by pore blocking; due to the microcrystalline structure of the dimethyl imidazolidinone rice starch, natural and soft shimmer can be generated, so that better gloss is provided for the skin; meanwhile, the dimethyl imidazolidone rice starch, squalane, silica dimethyl silylate, jojoba seed oil and the adhesive enhance the repair of the skin through the oil absorption effect, so that the balance between the skin and sebum is ensured, and the facial skin is further protected. The skin care product is characterized in that a plurality of plant extracts and kudzu starch are used as a first skin conditioner, the plurality of plant extracts eliminate a plurality of free radicals in the skin, and aloe barbadensis leaf juice, grapefruit peel oil, tocopherol acetate and vanilla planifolia fruit extracts are used as antioxidants to be matched with the first skin conditioner together, so that the effects of spot lightening and antioxidation are achieved; aloe barbadensis leaf juice, vanilla planifolia extract, and grapefruit peel oil promote fibrin growth, synthesize collagen, and scavenge free radicals; the tocopherol acetate is used as a derivative of vitamin E, has better effects of resisting oxidation and ultraviolet rays, thereby preventing skin from being rough and cracked and improving black spots; the antioxidant effect of the organic powder cake is further improved by the matching of the antioxidants. In conclusion, the dimethyl imidazolidinone rice starch is used as the main powder, and the first skin conditioner, the antioxidant, the whitening powder and the second skin conditioner are matched with each other, so that the effects of oxidation resistance and moisture preservation of the organic pressed powder are further improved, and the better state of the skin is maintained.

Comparative examples 2 to 4 it can be seen that various plant extracts are combined with kudzu starch to improve skin elasticity and spot-lightening effect. The lotus root extract and the tea extract have more components such as catechol-catechin gallate and vitamins, can keep substances with extreme luster, and have higher anti-oxidation and spot-lightening effects; the apple fruit extract has better activation effect on luciferase, so that the symptoms of skin inflammation and the like are reduced, the skin is protected, and the skin is kept in a good state; the chrysanthemum extract and the kudzu starch both contain more flavonoid, amino acid and other substances, and are matched with each other to remove excessive oxygen free radicals in vivo and promote cell metabolism, so that the chrysanthemum extract and the kudzu starch are beneficial to delaying senility and improving skin elasticity, and further protect the skin.

As can be seen from comparative examples 4 to 6, the preferred composition has a good antioxidant effect because of its good blending effect. Comparative examples 6 to 10 show that the second skin conditioner is prepared by mixing the vegetable seed oil with the shea butter, the vegetable seed oil can improve the problems of dry skin and poor elasticity from the inside of the skin, the moisture retention capability of the skin is further enhanced by matching with unsaturated acid in the shea butter, simultaneously, the cutin-damaged skin can be moistened, and the second skin conditioner is matched with an adhesive to improve the viscosity of the organic pressed powder and improve the sense and use skin feeling of the product. The castor bean oil and the sunflower seed oil are preferably adopted as the plant seed oil, the castor bean oil has the effects of softening, moisturizing and firming the skin so as to lock the moisture of the skin, the sunflower seed oil is mainly divided into unsaturated fatty acid, the moisturizing effect is good, meanwhile, the sunflower seed oil also contains more vitamin E, and the anti-aging and speckle-lightening effects of the organic powder cake are further improved through the mutual matching of the two seed oils.

In comparison with examples 10-12, rose powder, pearl powder and silk powder are used as whitening powder, so that on one hand, the rose powder, the pearl powder and the silk powder provide more luster for skin and control oil; on the other hand, the utility model is beneficial to the excretion system to discharge the harmful substances out of the body, thereby having the function of lightening spots; meanwhile, a large amount of protein, amino acid and trace elements contained in the three components provide nutrient components for the skin and are well absorbed by the skin, so that the effects of moisturizing and spot fading are achieved.

Comparative examples 12 to 15 show that magnesium myristate is preferably used as a binder, and the magnesium myristate is combined with silica dimethyl silylate to have better oil absorption effect and emulsification effect, so that the organic substance in the organic pressed powder is emulsified while the adhesive force of the organic pressed powder to the skin is improved, and the uniform effect of each raw material in the organic pressed powder is improved; the preservative is preferably composed of glyceryl caprylate, glyceryl undecylenate and 1, 2-pentanediol, so that the skin irritation is small, and the antibacterial and moisturizing effects are good, so that the skin elasticity is further improved by matching with a second skin conditioner; the mixing uniformity among all the raw materials in the organic powder cake is improved through the stirring speed, and the problems that the stirring speed is too high, certain raw materials lose effectiveness and the like are solved.

Experiment three: powder cake skin feeling scoring experiment

Experimental samples: examples 1-15, comparative examples 1-10, and a blank.

The experimental method comprises the following steps:

Blank group: only cleaning the face and basic skin care are carried out at 8 am, and organic powder cakes are not smeared; the duration of the experimental period was 28 days.

And (3) grading rules: after 28 days of use, the experimental and blank groups were scored for the following parameters:

grading the oil control effect: 1-10 points, the more the skin is oilless after the skin is used, namely the oil control effect is good, and the higher the value is, the lower the difference value of the oil control effect is;

grading the makeup fixing effect: 1-10 points, wherein the longer the makeup maintaining time after makeup is finished, the higher the score is, and the shorter the makeup maintaining time is, the lower the score is;

and (3) scoring the covering power: 1-10 points, the better the effect of masking a flaw, the higher the score, and the lower the ability to mask a flaw.

And (3) scoring the pox causing property: 1-5 points, the more skin pox, the higher the score; the less or no pox the skin scores.

The experimental results are as follows: the results of the skin feel scoring experiments for examples 1-15, comparative examples 1-10, and the blank are shown in table 5.

TABLE 5 results of skin feel scoring experiments for examples 1-15, comparative examples 1-10, and blank groups

As can be seen from Table 5, the oil-controlling effect of examples 1 to 15 was 7.9 to 9.8, and the make-up setting effect was 8.7 to 9.8; the covering power is 8.9-9.8; the pox-causing property is 1.1-1.8; the oil control effect of the comparative examples 1 to 10 is 6.8 to 7.4, and the make-up fixing effect is 4.9 to 8.1; the covering power is 4.1-7.8; the pox-causing property is 3.8-7.1. The results show that the oil control niblets, the make-up fixing effect and the covering power of the examples 1-15 are better, and the situation of skin acne is not easy to occur.

It can be seen from comparative examples 1 to 4 and comparative examples 1 to 10 that the use of dimethyl imidazolidinone rice starch as the main powder provides better hiding power and skin adhesion than talc, and thus better make-up fixation effect; the silica dimethyl silylate and the adhesive in the organic powder cake have better oil absorption effect, so that better oil control effect is ensured; the plant extract in the first skin conditioner has good antibacterial and anti-inflammatory effects, thereby preventing allergy, acne and the like.

Comparative examples 4 to 6 show that the combination of grapefruit peel oil and aloe vera leaf juice in the antioxidant promotes cholesterol synthesis, helps to change the sebum composition, reduces shine and increases the degree of skin suppleness, and prevents the occurrence of pox due to oil and fat. Comparative examples 6-10 show that the second skin conditioner; a vegetable seed oil; compared with examples 10-12, the pearl powder in the whitening powder has the oil control effect, so that the oil control effect is further improved, the rose pollen discharges harmful substances out of the body and performs internal recuperation to keep the skin in a better state, and meanwhile, the silk peptide in the silk powder is smeared on the skin to achieve the effect of preventing various skin diseases, such as skin cracking, dermatitis, pruritus and the like, so that the generation of acnes is reduced; comparative examples 12 to 15 show that magnesium myristate is preferably used as the binder, and the magnesium myristate has good binding property and oil absorption capacity, so that the oil control effect of the organic pressed powder is improved and the pox-causing property is reduced.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The organic pressed powder is characterized by comprising the following components in percentage by weight:

46-48% of dimethyl imidazolidinone rice starch;

silica dimethyl silylate 5-7%;

4-5% of jojoba seed oil;

11-15% of a first skin conditioner;

2.5-3.5% of a second skin conditioner;

1.3 to 1.8 percent of antioxidant;

whitening powder 1.2-1.7%;

5.5 to 6.5 percent of adhesive;

7-9% of a colorant;

1.7 to 1.9 percent of preservative;

the balance of squalane;

the first skin conditioner is composed of plant extract and kudzu starch;

2. The pressed powder of claim 1, wherein the first skin conditioning agent comprises the following components in the total weight fraction of the pressed powder:

lotus root extract 8.5-9.5%;

0.45-0.55% of camellia extract;

0.45-0.55% of apple fruit extract;

0.75-0.85% of albizia bark extract;

0.45-0.55% of chrysanthemum extract;

1.9 to 2.1 percent of kudzu starch.

3. The organic pressed powder as claimed in claim 1, wherein the antioxidant comprises the following components in parts by weight based on the total weight of the organic pressed powder:

aloe barbadensis leaf juice 0.04-0.06%;

grapefruit peel oil 0.45-0.55%;

0.45-0.55% of passion fruit extract;

0.45-0.55% of tocopherol acetate.

4. The organic pressed powder of claim 1, wherein the second skin conditioner comprises a vegetable seed oil and shea butter.

5. The pressed powder of claim 4, wherein the ingredients of the second skin conditioner and the weight fractions of the respective ingredients relative to the total amount of the pressed powder are as follows:

1.8 to 2.2 percent of castor seed oil;

0.4-0.6% of sunflower seed oil;

0.4-0.6% of shea butter.

6. The organic pressed powder as claimed in claim 1, wherein the components of the whitening powder and the weight fraction of each component in the total amount of the organic pressed powder are as follows:

0.45 to 0.55 percent of rose pollen;

0.45 to 0.55 percent of pearl powder;

0.45-0.55% of silk powder.

7. The organic pressed powder of claim 1, wherein the binder is magnesium myristate.

8. The organic pressed powder of claim 1, wherein the preservative comprises 78-82% by weight of glyceryl caprylate, 10-14% by weight of glyceryl undecylenate, and the balance 1, 2-pentanediol.

9. A method of preparing an organic pressed powder according to any one of claims 1 to 8, comprising the steps of:

s3, mixing the aloe vera leaf juice, the grapefruit peel oil, the vanilla planifolia fruit extract and the tocopherol acetate at a temperature of 25 +/-2 ℃ to obtain the antioxidant; mixing castor bean oil, sunflower seed oil and shea butter to obtain a second skin conditioner; mixing glycerol caprylate, glycerol undecanoate and 1, 2-pentanediol to obtain a preservative; s4, adding jojoba seed oil, squalane, an antioxidant, a second skin conditioner and a preservative into the first mixture, mixing uniformly to obtain a second mixture, and pressing the second mixture to obtain the organic powder cake.

10. The method as claimed in claim 9, wherein the mixing and stirring speed in step S2 is 900-1100r/min, and the mixing and stirring speed in step S4 is 600-800 r/min.