Mild oil-purifying acne-removing cleaning composition and application thereof

Abstract

The invention discloses a mild oil-purifying acne-removing cleaning composition as well as a preparation method and application thereof, and belongs to the technical field of cosmetics. The cleaning composition is prepared from the following components in parts by weight: 15 to 35 parts of water / potassium cocoyl glycinate, 10 to 30 parts of water / potassium cocoate, 1 to 10 parts of water / potassium palmitate, 0.1 to 5 parts of water / sodium PEG-7 (Polyethylene Glycol) olive oil carboxylate, 0.1 to 10 parts of water / glycolipid and 0.01 to 1 part of water / glycosylglycerol / 1, 2-pentanediol. According to the cleaning composition disclosed by the invention, all the components are matched according to a specific proportion, so that the cleaning composition has mild and efficient oil-purifying and acne-removing effects. Various surfactants such as potassium cocoyl glycinate and the like have a synergistic effect, so that the skin irritation is reduced while the cleaning power is ensured; special functional components such as glycolipid further optimize the cleaning, moisturizing and acne removing effects. The preparation method comprises the following steps: firstly, mixing part of the components, heating to 70-90 DEG C, uniformly stirring, cooling to 40-45 DEG C, adding the rest of the components, and cooling to 30-35 DEG C to obtain a final product with the pH value of 7-8.5. The composition can be widely applied to various cleaning products such as facial cleanser, scrub cream, shower gel and the like, provides an innovative solution for the field of skin cleaning and nursing, meets the requirements of consumers on mild and effective oil-purifying and acne-removing cleaning products, and has a wide market application prospect.

Description

Technical Field

[0001] The present invention belongs to the technical field of cosmetics, and particularly relates to a mild oil-cleansing and acne-removing cleansing composition and its application. Background Art

[0002] With the increase of people's pressure, unreasonable eating habits, staying up late and other phenomena, it will affect the spirit and endocrine of the human body, resulting in many skin problems, such as oily face, skin flushing and sensitivity, dryness, enlarged pores, acne and so on. At this time, it is very important to choose a suitable cleansing product. The cleansing products for oily skin on the market are mainly soap-based types, which have strong cleansing power and good rinsing feeling. However, its pH is relatively high, the mildness to the skin is low, and it is dry after washing; there is also a type of amino acid surfactant system, which is relatively mild and weakly acidic, but the cleansing power is not very strong, and the rinsing feeling and freshness are average, and they cannot fully meet the skin cleansing problems of oily and sensitive skin at the present stage. Due to the influence of life pressure, environmental factors and other factors, skin problems such as acne plague a large number of people, and excessive sebum secretion is one of the important reasons for acne. However, at present, the products for oil-cleansing and acne-removing are either ineffective or too irritating and harmful to the skin.

[0003] Mild and effective cleansing is the key to maintaining skin health. Especially for oily skin prone to acne, a product that can effectively remove excess oil and acne without damaging the skin is needed, which highlights the necessity of developing a mild oil-cleansing and acne-removing cleansing composition. Summary of the Invention

[0004] In order to solve the above technical problems, the present invention discloses a mild oil-cleansing and acne-removing cleansing composition and its application. The cleansing composition is very mild, has strong cleansing ability, rich and dense foam, is easy to rinse, moisturizes without tightness, and overcomes the defect that it is difficult to balance the mildness and oil-cleansing and acne-removing effects of existing cleansing products. At the same time, a preparation method of the composition and its application in various cleansing products are provided to meet the high-quality requirements of consumers for skin cleansing and care products, especially the special needs of people with acne-prone skin. The operation of the present invention is simple and convenient, and can be widely applied to cleansing products.

[0005] To achieve the above object, the technical scheme adopted by the present invention is as follows:

[0006] A mild oil-cleansing and acne-removing cleansing composition, comprising water / potassium cocoyl glycinate, water / potassium cocoate, water / potassium palmitate, water / PEG-7 olive oil carboxylate sodium, water / glycolipid, water / glyceryl glucoside / 1,2-pentanediol.

[0007] Among them, potassium cocoyl glycinate is a mild amino acid surfactant with good cleaning ability and low irritation. It can effectively remove dirt and oil on the skin surface. At the same time, the structure of its hydrophilic group and hydrophobic group enables it to maintain good compatibility with the skin surface during the cleaning process, and it is not easy to damage the skin barrier, laying the foundation for the mildness of the entire composition; potassium cocoate is also a fatty acid salt surfactant, which acts synergistically with potassium cocoyl glycinate to enhance the cleaning effect on oil. It can play a role in different oil environments, cooperate with other components, improve the ability of the composition to remove various types of oil dirt, and will not excessively increase the irritation of the product at an appropriate ratio; potassium palmitate helps to further optimize the cleaning performance of the composition, especially for some lipid components that are difficult to remove. It can form a complement with potassium cocoyl glycinate and potassium cocoate, improve the emulsification and dispersion ability of the whole system for skin oil, and make the cleaning process more thorough and uniform; PEG-7 olive oil carboxylate not only has surface activity and can assist in cleaning, but also because of its olive oil source, it is rich in various unsaturated fatty acids and antioxidant substances. These characteristics enable it to provide certain moisturization and antioxidant protection for the skin while cleaning the skin, reduce the damage of free radicals to the skin during the cleaning process, and help maintain the healthy state of the skin; glycolipids play important roles in this composition in many aspects. On the one hand, it has certain antibacterial properties and can inhibit the growth and reproduction of acne-causing microorganisms such as Propionibacterium acnes, preventing the occurrence of acne from the source; on the other hand, glycolipids help regulate skin oil secretion and avoid follicular blockage caused by excessive oil secretion; in addition, glycolipids can also participate in the repair process of the skin barrier, enhance the skin's moisturizing ability and resistance to external stimuli after cleaning, reduce the damage of acne inflammation to the skin, and promote the healing of acne. Glucosylglycerol is a very important component in "resurrection grass", which can significantly increase the expression of aquaporin AQP3, prevent skin dryness, has good skin permeability, and can effectively reduce skin water loss.

[0008] Preferably, the mild oil-removing and acne-removing cleaning composition comprises the following components in parts by weight: water / potassium cocoyl glycinate 15-35 parts, water / potassium cocoate 10-30 parts, water / potassium palmitate 1-10 parts, water / PEG-7 olive oil carboxylate 0.1-5 parts, water / glycolipid 0.1-10 parts, water / glucosylglycerol / 1,2-pentanediol 0.01-1 part.

[0009] Preferably, the mass ratio of potassium cocoyl glycinate to potassium cocoate is 4-9:3-8. Within this ratio range, the two can fully exert their synergistic effect, while ensuring the cleaning power, controlling the irritation at the lowest level. A relatively large proportion of potassium cocoyl glycinate helps maintain mildness, while the appropriate presence of potassium cocoate enhances the cleaning efficiency for oil.

[0010] Further preferably, the mass ratio of potassium cocoyl glycinate to potassium cocoate is 5 - 7:4 - 6.

[0011] Preferably, the potassium cocoate and potassium palmitate are natural oil soap solutions.

[0012] Further preferably, the mass ratio of potassium cocoate to potassium palmitate is 3 - 8:0.5 - 2. This proportional relationship enables potassium palmitate to appropriately complement the deficiency of potassium cocoate in cleaning certain specific oils, while avoiding problems such as excessive alkalinity that may be caused by too high a content of potassium palmitate, ensuring the mild and highly effective cleaning characteristics of the entire composition.

[0013] Further preferably, the mass ratio of potassium cocoate to potassium palmitate is 4 - 6:0.5 - 0.8.

[0014] Preferably, the mass ratio of potassium palmitate to sodium PEG - 7 olive carboxylate is 0.5 - 2:0.2 - 2. This ratio ensures that sodium PEG - 7 olive carboxylate can effectively exert its moisturizing and antioxidant functions on the basis of the cleaning effect of potassium palmitate, neither affecting the cleaning effect due to too high a content of sodium PEG - 7 olive carboxylate nor being unable to reflect its skin - care advantages due to too low a content.

[0015] Further preferably, the mass ratio of potassium palmitate to sodium PEG - 7 olive carboxylate is 0.5 - 1:0.2 - 0.5.

[0016] Preferably, the mass ratio of potassium cocoyl glycinate to glucosylglycerol is 4 - 9:0.05 - 0.5. This ratio ensures that glucosylglycerol can fully exert its functions of moisturizing and promoting skin cell metabolism in the cleaning system dominated by potassium cocoyl glycinate, providing necessary moisture and nutritional support for the skin without interfering with the cleaning function.

[0017] Further preferably, the mass ratio of potassium cocoyl glycinate to glucosylglycerol is 5 - 7:0.05 - 0.2.

[0018] Preferably, the mass ratio of potassium cocoyl glycinate to glycolipid is 4 - 9:0.05 - 3. This ratio enables glycolipid to effectively exert its various acne - related functions such as antibacterial, regulating sebum secretion, and repairing the skin barrier within the mild cleaning framework constructed by potassium cocoyl glycinate, realizing the organic combination of cleaning and acne - care.

[0019] Further preferably, the mass ratio of potassium cocoyl glycinate to glycolipid is 5 - 7:0.1 - 1.

[0020] The present invention also provides a method for preparing a mild cleansing oil acne-removing cleansing composition, comprising the following steps: 1. Add water / potassium cocoyl glycinate, water / potassium cocoate, water / potassium palmitate, and water / PEG-7 olive oil carboxylate sodium into a suitable reaction vessel, turn on the stirring device and heat to 70 - 90°C. Within this temperature range, each component can be rapidly dissolved and fully mixed evenly to form a uniform mixture. During the heating process, continuous stirring helps to accelerate the molecular movement of each component, promote their interaction with each other, and lay a foundation for subsequent reactions and synergistic effects. 2. Keep stirring and cool the above mixture to 40 - 45°C. This temperature range is suitable for adding water / glycolipid and water / glyceryl glucoside / 1,2-pentanediol. Adding these two components at this time can avoid inactivation or denaturation of active components that may be caused by too high a temperature. At the same time, it is also beneficial for them to better disperse and fuse in the preliminarily mixed uniform system, and fully exert their respective functional characteristics. 3. Continue to stir until the system is uniform, and then further cool to 30 - 35°C to obtain the final cleansing composition. Cooling to this temperature range, on the one hand, is to make the composition reach a relatively stable state for subsequent storage and use; on the other hand, this temperature is close to the human skin temperature, which is beneficial for the product to better contact with the skin during use and exert its cleansing and nursing effects. During the whole preparation process, the stirring speed and time should be reasonably controlled according to the actual situation to ensure that each component is fully mixed evenly and the reaction is complete, while avoiding introducing too much air or generating unnecessary heat due to excessive stirring.

[0021] Preferably, the pH of the final cleansing composition is 7 - 8.5.

[0022] More preferably, the pH of the final cleansing composition is 7.8 - 8.3

[0023] The mild cleansing oil acne-removing cleansing composition of the present invention can be widely applied to a variety of cleaning products, including but not limited to facial cleansers, scrub creams, body washes, body milks, shampoos, cleansing honey, and facial cleansing mousses, etc. In these cleaning products, this composition can fully exert its characteristics of mild cleansing oil and acne removal, and provide cleaning and nursing services for the skin of different parts (such as the face, body, etc.) and different types of hair (such as hair). For example, in a facial cleanser, it can gently clean the oil and dirt on the facial skin, prevent and improve acne problems, while keeping the facial skin moisturized and comfortable; in a body wash, it can effectively remove the oil and cutin on the body skin, inhibit the generation of acne on the body parts, and make the skin smooth and delicate; in the application of shampoo, it can clean the scalp oil, prevent scalp acne problems caused by excessive oil secretion, and at the same time care for the health of the hair.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. Balance between mildness and cleaning power: Through the unique combination of ingredients and proportion design, the composition of the present invention can effectively clean skin oil and dirt while minimizing irritation to the skin. The synergistic effect of multiple mild surfactants can avoid the damage to the skin barrier caused by traditional strong cleaning products, and can also meet the needs of acne-prone skin for oil removal, so that the skin remains healthy and comfortable after cleaning.

[0026] 2. Multi-effect acne removal function: The ingredients in the composition, such as glycolipids and PEG-7 olive oil carboxylate sodium, have multiple acne-related functions such as antibacterial, regulating oil secretion and repairing skin barrier. They work together to prevent and treat acne problems comprehensively and effectively, from inhibiting the growth of acne-causing microorganisms, regulating sebaceous gland secretion to repairing damaged skin, reducing the occurrence of acne, the development of inflammation and the formation of scars, and providing all-round care for acne-prone skin.

[0027] 3. Moisturizing and skin care: Ingredients such as glyceryl glucoside give the composition good moisturizing properties, so that the skin will not be dry and tight due to water loss after cleaning. At the same time, each ingredient can also play a certain nourishing and anti-oxidation role on the skin during the cleaning process, which helps to maintain the elasticity and luster of the skin and promote the health and beauty of the skin.

[0028] 4. Wide application adaptability: Due to its mild and multi-effect characteristics, the composition can be applied to a variety of cleaning product types to meet the needs of different consumers in different cleaning scenarios. Whether it is facial cleansing, body care, or even hair cleansing, it can play its advantages and provide an innovative and comprehensive solution for the entire skin and hair cleaning and care field, with broad market prospects and application value. DETAILED DESCRIPTION

[0029] The following examples are only used to help understand the method of the present invention and its core idea. It should be noted that for those of ordinary skill in the art, without departing from the principles of the present invention, the present invention may also be subjected to several improvements and modifications, which also fall within the scope of protection of the claims of the present invention. The following description of the disclosed embodiments enables professionals and technicians in this field to implement or use the present invention. It will be apparent to professionals and technicians in this field that various modifications to these embodiments, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but may be applied to a wider range consistent with the principles and novel features disclosed herein. Although any methods and materials similar or equivalent to those described in the present invention may be used in the implementation or testing of the present invention, preferred methods and materials are listed herein.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

[0031] The potassium cocoyl glycinate in the present invention is purchased from Guangzhou Baifurun Chemical Co., Ltd., and the weight content of potassium cocoyl glycinate is 30%; the potassium cocoate / water and potassium palmitate / water are purchased from Shanghai Hongdu Fine Chemical Co., Ltd., and the weight contents of potassium cocoate and potassium palmitate are both 30%; the sodium PEG-7 olive oil carboxylate / water is purchased from Shanghai Tengce Industry Co., Ltd., and the weight content of sodium PEG-7 olive oil carboxylate is 61%; the glycolipid / water is purchased from Berman Biotechnology (Shanghai) Co., Ltd., and the weight content of glycolipid is 30%; the glycerol glucoside / 1,2-pentanediol / water is purchased from Shanghai Xinwo Biotechnology Co., Ltd., and the weight content of glycerol glucoside is 65%.

[0032] Preparation of mild oil-removing and acne-removing cleansing composition: Examples A1 - A5 and Comparative Examples B1 - B4

[0033] According to the ratio in Table 1, first mix potassium cocoyl glycinate / water, potassium cocoate / water, potassium palmitate / water, and sodium PEG-7 olive oil carboxylate / water, and heat to 85°C. Stir continuously at this temperature until homogeneous, then lower the system temperature to 45°C, add glycolipid / water and glycerol glucoside / 1,2-pentanediol / water thereto, and stir evenly again; finally, lower the temperature to 30°C to obtain the final mild oil-removing and acne-removing cleansing composition.

[0034] Table 1 Component ratios (parts by weight) of Examples A1 - A5 and Comparative Examples B1 - B4

[0035] Add the mild oil-removing and acne-removing cleansing compositions prepared in Examples A1 - A5 and Comparative Examples B1 - B4 to the basic formula of the facial cleanser in Table 2 to prepare the facial cleansers of Examples 1 - 5 and Comparative Examples 1 - 4 respectively.

[0036] Table 2 Formulas (parts by weight) of the facial cleansers of Examples 1 - 5 and Comparative Examples 1 - 4

[0038] I. Mildness test The mildness of the compositions of Examples A1 - A5 was evaluated by human patch tests. Thirty healthy volunteers were selected, and qualified patch test devices were chosen. Using the closed patch test method, 0.020 - 0.025 ml of the composition was placed in the patch test device respectively, and then applied to the flexor side of the forearm of the subjects with a low - allergenic tape. After 24 hours, it was removed. The reactions of the volunteers' skin at 0.5 hour, 24 hours, and 48 hours after removing the patch were observed and recorded, including symptoms such as erythema, edema, and itching.

[0039] The grading criteria for skin reactions are shown in Table 3.

[0040] Table 3 Grading Criteria for Skin Reactions in Human Trial Experiments Skin reaction Grade No reaction 0 Mild erythema 1 Erythema, infiltration, papules 2 Erythema, edema, papules, vesicles 3 Erythema, edema, bullae 4 Table 4 Results of Human Patch Tests on the Compositions of Examples A1 - A5

[0041] The results showed that during the patch tests of the compositions of Examples A1 - A5, no obvious skin adverse reactions occurred in all volunteers during the observation period, indicating that the composition is non - irritating to the skin and has good safety.

[0042] II. Measurement of Skin Stratum Corneum Water Content The trial population consisted of 27 oily, sensitive, acne - prone women aged 18 - 40 years old, who were randomly divided into 9 groups and used the facial cleansers of Examples 1 - 5 and Comparative Examples 1 - 4 respectively. The specific test method was as follows: All subjects used the corresponding facial cleanser for cleaning tests, and the skin stratum corneum water content of the test area was collected before and after using the test product. The test environment temperature was 20 - 22 °C, and the relative humidity was 40% - 60%. Before the test and after cleaning the test site, the subjects sat still in a compliant room for at least 20 minutes, and were not allowed to drink water or beverages. Then, the Corneometer® CM 825 water content tester was used for testing. The stratum corneum water content of the test area was measured before (0 h) and after using the test product. The test was carried out 3 times at different positions in the test area, and the average value was recorded respectively. The change rate of stratum corneum water content before and after was calculated according to the following formula to evaluate the moisturizing effect of the product. The test results are shown in Table 5 below.

[0043] Improvement rate of water content = Table 5 Test Results of the Change Rate of Stratum Corneum Water Content Before and After Use

[0044]

[0045] As can be seen from Table 5, the improvement rate of the moisture content of the stratum corneum after using the facial cleansers of Examples 1-5 is significantly higher than that of Comparative Examples 1-4, indicating that the cleaning composition of the present invention has a good moisturizing effect after washing at a specific ratio.

[0046] III. User Sensory Experience Test The facial cleansers of Examples 1-5 and Comparative Examples 1-4 were subjected to a user sensory experience test. The test subjects were 27 female oily, sensitive and acne-prone skin women aged 18-40 years old, randomly divided into 9 groups, used once a day for 4 consecutive weeks. After the volunteers completed the test according to the requirements, the use effects of the products were evaluated, scored and the average value was taken. The scoring standard was a 10-point system, with 1 point being the worst and 10 points being the best. The average value of each group of data was used as the final measurement result, and the test results are shown in Table 4.

[0047] Table 6 User Sensory Experience Test Results

[0048]

[0050] As can be seen from Table 6, in terms of foam richness, mildness, degreasing ability, ease of rinsing, moisturizing feeling after washing and effective reduction of acne, Examples 1-5 are much better than the comparative examples, indicating that the components in the mild oil-removing and acne-removing cleaning composition of the present invention complement each other and are indispensable, and the best effects can be achieved in various indicators only according to the specific ratio of the present invention.

[0051] The mild oil-removing and acne-removing cleaning composition of this patent shows obvious advantages in many aspects, with characteristics such as rich foam, mildness, strong degreasing power, easy rinsing, good moisturizing feeling after washing and effective reduction of acne. By comparing with the comparative examples, the uniqueness and superiority of this patent composition can be seen, which provides strong support for its application in cleaning products. These test results provide a data basis for the practical application of this patent, indicating that this composition has broad application prospects in cleaning products such as facial cleansers, scrub creams, body washes, body milks, shampoos, cleansing honey and facial cleansing mousses.

Claims

1. A mild essential oil acne-clearing and cleansing composition, characterized in that, It comprises the following components by weight parts: 15 - 35 parts of water / potassium cocoyl glycinate, 10 - 30 parts of water / potassium cocoate, 1 - 10 parts of water / potassium palmitate, 0.1 - 5 parts of water / sodium PEG - 7 olive oil carboxylate, 0.1 - 10 parts of water / glycolipid, 0.01 - 1 part of water / glyceryl glucoside / 1,2 - pentanediol.

2. The mild essential oil acne-removing and cleansing composition according to claim 1, wherein The mass ratio of potassium cocoyl glycinate to potassium cocoate is in the range of 4 - 9:3 - 8.

3. The mild purified oil acne-clearing and cleansing composition according to claim 1, wherein The mass ratio of potassium cocoate to potassium palmitate is in the range of 3 - 8:0.5 - 2.

4. The mild essential oil acne removal and cleansing composition according to claim 1, characterized in that The mass ratio of potassium palmitate to sodium PEG - 7 olive oil carboxylate is in the range of 0.5 - 2:0.1 - 2.

5. The mild essential oil acne-removing and cleansing composition according to claim 1, wherein The mass ratio of potassium cocoyl glycinate to glyceryl glucoside is in the range of 4 - 9:0.05 - 0.

5.

6. The mild essential oil acne-removing and cleansing composition according to claim 1, characterized in that, The mass ratio of potassium cocoyl glycinate to glycolipid is in the range of 4 - 9:0.05 - 3.

7. A preparation method of a mild essential oil acne removal and cleansing composition, characterized in that, It includes the following steps: Firstly, mix water / potassium cocoyl glycinate, water / potassium cocoate, water / potassium palmitate, and water / sodium PEG - 7 olive oil carboxylate, and heat to 70 - 90 °C. Continuously stir at this temperature until uniform. Subsequently, lower the system temperature to 40 - 45 °C, add water / glycolipid and water / glyceryl glucoside / 1,2 - pentanediol thereto, and stir evenly again; finally, further lower the temperature to 30 - 35 °C to obtain the final cleansing composition.

8. The preparation method of a mild purified oil acne-removing and cleansing composition according to claim 7, characterized in that, The pH value of the final cleansing composition is in the range of 7 - 8.

5.

9. Application of a mild oil - cleansing and acne - removing cleansing composition according to any one of claims 1 - 6 in a cleansing product.

10. The application according to claim 9, wherein The cleansing product includes facial cleanser, scrub, body wash, body milk, shampoo, cleansing honey, and facial cleansing foam.

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