Salicylic acid cleansing oil capable of controlling oil and removing acne and preparation method of salicylic acid cleansing oil

Abstract

The invention relates to oil-controlling and acne-removing salicylic acid cleansing oil and a preparation method thereof. The oil-controlling and acne-removing salicylic acid cleansing oil is prepared from the following components in parts by weight: 75 to 95 parts of grease, 0.1 to 2 parts of salicylic acid, 0.1 to 1 part of polyglycerol-10 laurate, 1 to 30 parts of emulsifier and 0.1 to 5 parts of water. Salicylic acid and polyglycerol-10 laurate in the cleansing oil are matched for use, so that the cleansing oil not only can achieve the effects of resisting inflammation, resisting bacteria and regulating cutin of a human body, but also has very strong fat solubility, can penetrate into the deepest hair follicle part of a patient, improves the condition of pore blockage, achieves the effect of effectively treating acne, and is free of toxic and side effects. By adding the salicylic acid, the polyglycerol-10 laurate, the grease, the emulsifier and the like, the cleansing oil not only can have a good effect of removing cosmetics, but also can have the effects of controlling oil and removing acnes.

Description

Technical Field

[0001] The invention belongs to the technical field of daily cosmetics, and particularly relates to an oil-controlling acne-removing salicylic acid cleansing oil and a preparation method thereof. Background Art

[0002] With the development of social economy and the improvement of consumption level, consumers are more and more accepting of cosmetics, and the cosmetics market is booming. Sunscreen products are the hottest products in the skin care concept. After applying sunscreen and makeup, special makeup removers are generally needed to remove the makeup and sunscreen to avoid makeup residue on the skin, causing problems such as enlarged pores and acne. In recent years, the concept of "using oil to nourish the skin" has become more and more widespread. Compared with other makeup remover formulations, makeup remover oil is dedicated to cleaning, has excellent affinity with makeup cosmetics, strong cleaning ability, and is also the most used makeup remover formulation.

[0003] CN114788789A discloses a gel emulsion type skin care makeup removal oil and its preparation method, belonging to the technical field of daily cosmetics. The gel emulsion type skin care makeup removal oil is composed of an aqueous phase and an oil phase; the aqueous phase, calculated by the total mass percentage of the makeup removal oil, includes the following components: emulsifier 1.5-3%, moisturizer 3%, composite plant extract 1-3%, deionized water 3-5%, natural antibacterial agent 0.1-2%, active peptide 0.1-1%, antioxidant 0.01-1%; the oil phase, calculated by the total mass percentage of the makeup removal oil, includes the following components: natural plant oil 84-86%. Compared with ordinary makeup removal oil, the makeup removal oil prepared by the invention has good stability and storage and transportation capacity. While removing facial makeup well, it also has the effect of moisturizing and nourishing. After use, it is refreshing and non-greasy, mild and non-irritating, and is suitable for daily cleaning and skin care.

[0004] CN112675079A discloses a quick emulsifying makeup removal oil, which belongs to the field of cosmetic technology. The quick emulsifying makeup removal oil described in the invention has a specific content of PEG-20 glyceryl triisostearate, PEG-3 isostearyl glyceride, polysorbate-80 and sorbitol polyether-30 tetraoleate added as emulsifiers to the oil phase system. The oily matrix and lipophilic components in the components can dissolve the makeup on the skin well; and the hydrophilic components such as the emulsifier in the components can increase the flushing property of the product, and at the same time can reduce the greasy feeling of the skin when used, and the skin feels soft and does not remain on the skin after washing. The product has the characteristics of high freshness, strong emulsification ability, fast emulsification speed and strong makeup removal ability.

[0005] Currently, the makeup remover products on the market are mainly used to clean makeup, but there are few makeup remover oils that can control oil and remove acne. Therefore, there is an urgent need to provide a low-cost, mild and non-irritating makeup remover product that can clean makeup while achieving the effect of controlling oil and removing acne. Summary of the invention

[0006] In view of the deficiencies in the prior art, the purpose of the present invention is to provide an oil-controlling and acne-removing salicylic acid makeup remover and a preparation method thereof. The product components provided by the present invention have mild performance and can achieve the effects of oil control and acne removal while removing makeup.

[0007] In order to achieve the purpose of the invention, the present invention adopts the following technical solutions:

[0008] In a first aspect, the present invention provides an oil-controlling and acne-removing salicylic acid makeup remover oil, which comprises, by weight, 75-95 parts of oil, 0.1-2 parts of salicylic acid, 0.1-1 parts of polyglyceryl-10 laurate, 1-30 parts of an emulsifier and 0.1-5 parts of water.

[0009] The salicylic acid and polyglycerol-10 laurate in the makeup remover of the present invention have a synergistic effect. The combination of the two can not only achieve the effects of anti-inflammatory, antibacterial and regulating human keratin, but also have strong fat solubility, can penetrate into the deepest part of the patient's hair follicles, improve the situation of pore blockage, and achieve the effect of effectively treating acne. The makeup remover oil can not only have a good effect of removing makeup by adding salicylic acid, but also has the effects of oil control and acne removal. In addition, salicylic acid is a macromolecular lipophilic β-hydroxy acid, and improper use will cause irritation to the skin. The present invention uses salicylic acid in combination with specific oils and emulsifiers, which can well reduce the irritation problem caused by salicylic acid to the skin.

[0010] The amount of the oil added in the oil-controlling and acne-removing salicylic acid cleansing oil of the present invention can be 76 parts, 78 parts, 80 parts, 82 parts, 84 parts, 86 parts, 88 parts, 90 parts, 92 parts or 94 parts, etc.;

[0011] The amount of salicylic acid added can be 0.2 parts, 0.5 parts, 0.8 parts, 1 part, 1.5 parts or 2 parts, etc.;

[0012] The addition amount of the polyglyceryl-10 laurate can be 0.2 parts, 0.3 parts, 0.4 parts, 0.5 parts, 0.6 parts, 0.7 parts, 0.8 parts or 0.9 parts, etc.;

[0013] The amount of the emulsifier added can be 2 parts, 5 parts, 8 parts, 10 parts, 12 parts, 14 parts, 16 parts, 18 parts, 20 parts, 22 parts, 24 parts, 26 parts or 28 parts, etc.;

[0014] The amount of water added can be 0.2 parts, 0.5 parts, 0.8 parts, 1 parts, 2 parts, 3 parts, 4 parts, 5 parts, etc.

[0015] Preferably, the oil-controlling and acne-removing salicylic acid cleansing oil comprises, by weight, 80-95 parts of oil, 0.5-2 parts of salicylic acid, 0.2-0.8 parts of polyglyceryl-10 laurate, 5-25 parts of emulsifier and 0.1-3 parts of water.

[0016] Preferably, the oil-controlling and acne-removing salicylic acid cleansing oil comprises, by weight, 80-90 parts of oil, 0.5-2 parts of salicylic acid, 0.2-0.5 parts of polyglyceryl-10 laurate, 10-20 parts of emulsifier and 0.1-2 parts of water.

[0017] Preferably, the oil comprises any one or a combination of at least two of ethylhexyl palmitate, isohexadecane, triethylhexanoin, propylene glycol dicaprylate / dicaprate, cetyl ethylhexanoate, C12-15 alcohol benzoate, hexyldecanol, ethylhexyl stearate or octyldodecanol.

[0018] Preferably, the oil is a combination of ethylhexyl palmitate, isohexadecane and C12-15 alcohol benzoate.

[0019] In the present invention, the oil has an unexpected synergistic effect in improving the cleaning ability of the makeup remover oil through the combination of the above components. It not only has a better removal effect on makeup, but also can fully dissolve the oil, dirt and other components of the skin, effectively remove excess oil from the skin, and make the makeup remover oil have both good makeup removal and oil control effects.

[0020] Preferably, the mass ratio of ethylhexyl palmitate, isohexadecane and C12-15 alcohol benzoate is (12-17):(0.5-3):(0.1-2).

[0021] "12-17" can be 12.5, 13.0, 13.5, 14.0, 14.5, 15.0, 15.5, 16.0 or 16.5, etc.

[0022] Wherein “0.5-3” can be 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8 or 2.9, etc.;

[0023] “0.1-2” can be 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8 or 1.9, etc.;

[0024] Preferably, the emulsifier includes any one or a combination of at least two of PEG-3 glyceryl isostearate, sorbitan polyether-30 tetraoleate, PEG-20 glyceryl triisostearate, PEG-7 glyceryl cocoate, polysorbate-85, PEG-12 diisostearate, polysorbate-60, polyglyceryl-10 diisostearate or polyglyceryl-10 laurate.

[0025] Preferably, the emulsifier is a combination of sorbitan polyether-30 tetraoleate and PEG-7 glyceryl cocoate.

[0026] As a preferred technical solution of the present invention, the emulsifier is a combination of sorbitan polyether-30 tetraoleate and PEG-7 glyceryl cocoate, and the synergistic cooperation of the two can better increase the surface activity of the emulsifier, so that the product of the present invention can have a faster makeup dissolving speed, and at the same time, no residue will remain on the skin after washing, which can reduce the greasy feeling of the skin after use.

[0027] Preferably, the mass ratio of sorbitan polyether-30 tetraoleate to PEG-7 glyceryl cocoate is (5-10):(0.3-2).

[0028] Wherein "5-10" may be 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0 or 9.5, etc.;

[0029] “0.3-2” can be 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8 or 1.9, etc.

[0030] Preferably, the components of the oil-controlling and acne-removing salicylic acid cleansing oil also include an alkaline pH regulator and / or an antioxidant.

[0031] Preferably, the amount of the alkaline pH regulator added is 0.1-1 parts by weight, for example, 0.2 parts, 0.3 parts, 0.4 parts, 0.5 parts, 0.6 parts, 0.7 parts, 0.8 parts or 0.9 parts, etc.

[0032] Preferably, the antioxidant is added in an amount of 0.05-1 part by weight, for example, 0.08 part, 0.1 part, 0.10 part, 0.2 part, 0.3 part, 0.4 part, 0.5 part, 0.6 part, 0.7 part, 0.8 part or 0.9 part, etc.

[0033] Preferably, the alkaline pH adjuster includes any one or a combination of at least two of sodium hydroxide, potassium hydroxide, aminomethyl propanol, tromethamine or triethanolamine.

[0034] Preferably, the antioxidant comprises any one or a combination of at least two of tocopherol, pentaerythritol tetrakis (di-tert-butyl hydroxyhydrocinnamate), butylated hydroxytoluene or tocopherol acetate.

[0035] Preferably, the antioxidant is a combination of pentaerythritol tetrakis (di-tert-butyl hydroxyhydrocinnamate) and tocopherol acetate.

[0036] In the present invention, the pentaerythritol tetra(di-tert-butyl hydroxyhydrocinnamate) ester and tocopherol acetate are used in combination to better protect and repair cells, enhance the activity of skin cells, and further assist salicylic acid in better removing acne, thereby making the product have a better acne removal effect.

[0037] Preferably, the mass ratio of pentaerythritol tetrakis(di-tert-butylhydroxyhydrocinnamate) ester to tocopherol acetate is (0.05-0.5):(0.01-0.5).

[0038] Wherein “0.05-0.5” can be 0.10, 0.15, 0.20, 0.25, 0.30, 0.35, 0.40 or 0.45, etc.;

[0039] “0.01-0.5” can mean 0.05, 0.10, 0.15, 0.20, 0.25, 0.30, 0.35, 0.40 or 0.45, etc.

[0040] Any specific point value within the above numerical range can be selected, and will not be described in detail here.

[0041] In a second aspect, the present invention provides a method for preparing the oil-controlling and acne-removing salicylic acid makeup remover oil as described in the first aspect, the method comprising mixing oil, emulsifier, salicylic acid, polyglyceryl-10 laurate and water, and homogenizing to obtain the oil-controlling and acne-removing salicylic acid makeup remover oil.

[0042] Preferably, the method comprises:

[0043] (1) mixing salicylic acid and polyglycerol-10 laurate, adding part of fat and antioxidant, and homogenizing to obtain phase A;

[0044] The pH adjuster, water and emulsifier are dispersed and homogenized to obtain phase B;

[0045] (2) Mix the remaining oil with phase A, add phase B evenly, and stir until homogeneous to obtain the oil-controlling and acne-removing salicylic acid makeup remover oil.

[0046] Preferably, the mixing in step (1) is carried out by stirring, and the stirring speed is 300-500 rpm;

[0047] Preferably, the mixing temperature in step (1) is 80-90°C, for example, 81°C, 83°C, 85°C, 87°C or 89°C.

[0048] Preferably, the part of fat in step (1) is 40-60% of the total fat, for example, it can be 42%, 44%, 46%, 48%, 50%, 52%, 54%, 56% or 58%, etc.

[0049] Preferably, the mixing temperature in step (2) is 50-60°C, for example, 51°C, 53°C, 55°C, 57°C or 59°C.

[0050] Preferably, the mixing in step (2) is carried out in a stirring manner, and the stirring speed is 300-500 rpm, for example, it can be 320 rpm, 350 rpm, 380 rpm, 400 rpm, 420 rpm, 450 rpm or 480 rpm.

[0051] Any specific point value within the above numerical range can be selected, and will not be described in detail here.

[0052] Compared with the prior art, the present invention has the following beneficial effects:

[0053] (1) The combination of salicylic acid and polyglyceryl-10 laurate in the makeup remover of the present invention can not only achieve the effects of anti-inflammatory, antibacterial and regulating human keratin, but also has strong fat solubility, can penetrate into the deepest part of the patient's hair follicles, improve the blockage of pores, and achieve the effect of effectively treating acne. The makeup remover oil can not only have a good effect of removing makeup, but also has the effects of oil control and acne removal by adding salicylic acid, polyglyceryl-10 laurate, oil, emulsifier, etc.

[0054] (2) The present invention uses salicylic acid in combination with specific oils and emulsifiers, which can effectively reduce the irritation problem caused by salicylic acid to the skin.

[0055] (3) The preparation method of the oil-controlling and acne-removing salicylic acid cleansing oil provided by the present invention has simple operation steps, low cost, and is easy to industrialize and mass-produce. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Figure 1 The product appearance diagram of Embodiments 1-7 of the present invention;

[0057] Figure 2 These are product appearance pictures of Examples 8-11 of the present invention and Comparative Examples 1-2. DETAILED DESCRIPTION

[0058] In order to further explain the technical means and effects adopted by the present invention, the technical solution of the present invention is further described below in conjunction with the preferred embodiments of the present invention, but the present invention is not limited to the scope of the embodiments.

[0059] The following materials and comparative examples are as follows:

[0060]

[0061] The rest of the raw materials can be used as long as they are purchased from regular dealers.

[0062] Example 1

[0063] The present embodiment provides an oil-controlling and acne-removing salicylic acid makeup remover, which is composed of the following components by weight: 85 parts of oil, 1 part of salicylic acid, 0.2 parts of polyglycerol-10 laurate, 15 parts of emulsifier, 0.6 parts of aminomethyl propanol, 0.15 parts of antioxidant, and 0.6 parts of water;

[0064] The oil is a combination of ethylhexyl palmitate, isohexadecane and C12-15 alcohol benzoate in a mass ratio of 15:1:1;

[0065] The emulsifier is a combination of sorbitan polyether-30 tetraoleate and PEG-7 glyceryl cocoate in a mass ratio of 7:0.4;

[0066] The antioxidant is a combination of pentaerythritol tetrakis (di-tert-butyl hydroxyhydrocinnamate) and tocopherol acetate in a mass ratio of 0.1:0.05.

[0067] The preparation method of the oil-controlling acne-removing salicylic acid cleansing oil is as follows:

[0068] (1) salicylic acid and polyglycerol-10 laurate are mixed at 400 rpm and 85° C., 50% of oil and antioxidant are added after uniform mixing, and phase A is obtained after homogenization;

[0069] Phase B is obtained by dispersing aminomethyl propanol, water and an emulsifier at room temperature.

[0070] (2) The remaining oil and phase A are mixed at 60° C. and 500 rpm, and then phase B is added after being evenly mixed. After stirring and homogenizing, the oil-controlling and anti-acne salicylic acid makeup remover oil is obtained.

[0071] Example 2

[0072] The present embodiment provides an oil-controlling and acne-removing salicylic acid makeup remover, which is composed of the following components by weight: 80 parts of oil, 2 parts of salicylic acid, 0.2 parts of polyglycerol-10 laurate, 20 parts of emulsifier, 1.2 parts of aminomethyl propanol, 0.4 parts of antioxidant, and 1.3 parts of water;

[0073] The oil is a combination of ethylhexyl palmitate, isohexadecane and C12-15 alcohol benzoate in a mass ratio of 14:0.5:1.5;

[0074] The emulsifier is a combination of sorbitan polyether-30 tetraoleate and PEG-7 glyceryl cocoate in a mass ratio of 9.5:0.35;

[0075] The antioxidant is a combination of pentaerythritol tetrakis (di-tert-butyl hydroxyhydrocinnamate) and tocopherol acetate in a mass ratio of 0.2:0.2.

[0076] The preparation method of the oil-controlling acne-removing salicylic acid cleansing oil is as follows:

[0077] (1) salicylic acid and polyglyceryl-10 laurate were mixed at 300 rpm and 90° C., 40% of oil and antioxidant were added after uniform mixing, and phase A was obtained after homogenization;

[0078] Phase B is obtained by dispersing aminomethyl propanol, water and an emulsifier at room temperature.

[0079] (2) The remaining oil and phase A are mixed at 50° C. and 300 rpm, and then phase B is added after being evenly mixed. After stirring and homogenizing, the oil-controlling and anti-acne salicylic acid makeup remover oil is obtained.

[0080] Example 3

[0081] The present embodiment provides an oil-controlling and acne-removing salicylic acid makeup remover, which is composed of the following components by weight: 82 parts of oil, 1.5 parts of salicylic acid, 0.3 parts of polyglycerol-10 laurate, 16 parts of emulsifier, 0.9 parts of aminomethyl propanol, 0.2 parts of antioxidant, and 1.3 parts of water;

[0082] The oil is a combination of ethylhexyl palmitate, isohexadecane and C12-15 alcohol benzoate in a mass ratio of 16:2:2.5;

[0083] The emulsifier is a combination of sorbitan polyether-30 tetraoleate and PEG-7 glyceryl cocoate in a mass ratio of 7.5:0.4;

[0084] The antioxidant is a combination of pentaerythritol tetrakis (di-tert-butyl hydroxyhydrocinnamate) and tocopherol acetate in a mass ratio of 0.1:0.1.

[0085] The preparation method of the oil-controlling acne-removing salicylic acid cleansing oil is as follows:

[0086] (1) salicylic acid and polyglycerol-10 laurate were mixed at 500 rpm and 80° C., 60% of oil and antioxidant were added after uniform mixing, and phase A was obtained after homogenization;

[0087] Phase B is obtained by dispersing aminomethyl propanol, water and an emulsifier at room temperature.

[0088] (2) The remaining oil and phase A are mixed at 60° C. and 400 rpm, and then phase B is added after being evenly mixed. After stirring and homogenizing, the oil-controlling and anti-acne salicylic acid makeup remover oil is obtained.

[0089] Example 4

[0090] This embodiment provides an oil-controlling and acne-removing salicylic acid makeup remover oil. The difference between the oil-controlling and acne-removing salicylic acid makeup remover oil and Example 1 is that the oil is a combination of ethylhexyl palmitate and isohexadecane in a mass ratio of 15:1, and the amount of oil added is kept unchanged. The other components and addition amounts are consistent with Example 1. The preparation method refers to Example 1.

[0091] Example 5

[0092] This embodiment provides an oil-controlling and acne-removing salicylic acid makeup remover oil. The difference between the oil-controlling and acne-removing salicylic acid makeup remover oil and Example 1 is that the oil is a combination of ethylhexyl palmitate and C12-15 alcohol benzoate in a mass ratio of 15:1, and the amount of oil added is kept unchanged. The other components and addition amounts are consistent with Example 1. The preparation method refers to Example 1.

[0093] Example 6

[0094] This embodiment provides an oil-controlling and acne-removing salicylic acid makeup remover oil. The difference between the oil-controlling and acne-removing salicylic acid makeup remover oil and Example 1 is that the oil is a combination of isohexadecane and C12-15 alcohol benzoate in a mass ratio of 1:1, and the amount of oil added is kept unchanged. The other components and addition amounts are consistent with Example 1. The preparation method refers to Example 1.

[0095] Example 7

[0096] This embodiment provides an oil-controlling and acne-removing salicylic acid makeup remover oil. The difference between the oil-controlling and acne-removing salicylic acid makeup remover oil and Example 1 is that the emulsifier is only sorbitan polyether-30 tetraoleate, and the amount of the emulsifier is kept unchanged. The other components and the addition amounts are consistent with those in Example 1. The preparation method refers to Example 1.

[0097] Example 8

[0098] This embodiment provides an oil-controlling and acne-removing salicylic acid makeup remover oil. The difference between the oil-controlling and acne-removing salicylic acid makeup remover oil and Example 1 is that the emulsifier is only PEG-7 glyceryl cocoate, and the amount of the emulsifier is kept unchanged. The other components and the addition amounts are consistent with those in Example 1. The preparation method refers to Example 1.

[0099] Example 9

[0100] This embodiment provides an oil-controlling and acne-removing salicylic acid makeup remover oil. The oil-controlling and acne-removing salicylic acid makeup remover oil differs from that of Example 1 only in that it does not include an antioxidant, and the reduced amount thereof is supplemented by the various components of the oil in proportion to the number of parts. The remaining components and the added amounts are consistent with those of Example 1, and the preparation method refers to Example 1.

[0101] Example 10

[0102] This embodiment provides an oil-controlling and acne-removing salicylic acid makeup remover oil. The difference between the oil-controlling and acne-removing salicylic acid makeup remover oil and Example 1 is that the antioxidant is pentaerythritol tetrakis (di-tert-butyl hydroxyhydrocinnamate), and the added amount of the antioxidant is kept unchanged. The other components and added amounts are consistent with Example 1. The preparation method refers to Example 1.

[0103] Embodiment 11

[0104] This embodiment provides an oil-controlling and acne-removing salicylic acid makeup remover oil. The only difference between the oil-controlling and acne-removing salicylic acid makeup remover oil and Example 1 is that the antioxidant is tocopherol acetate, and the added amount of the antioxidant is kept unchanged. The other components and added amounts are consistent with Example 1. The preparation method refers to Example 1.

[0105] Comparative Example 1

[0106] This embodiment provides a makeup remover oil, which is different from that of Example 1 only in that the components do not include salicylic acid, and the reduced amount is supplemented by polyglyceryl-10 laurate. The remaining components and added amounts are consistent with those of Example 1. The preparation method refers to Example 1.

[0107] Comparative Example 2

[0108] This embodiment provides a makeup remover oil, which is different from that of Example 1 only in that the components do not include polyglyceryl-10 laurate, and the reduced amount is supplemented by salicylic acid. The remaining components and addition amounts are consistent with those of Example 1. The preparation method refers to Example 1.

[0109] Test Example 1

[0110] Clarity observation

[0111] Test method: The cleansing oils of Examples 1-11 and Comparative Examples 1-2 were placed in 30 mL transparent PE sample bottles, shaken gently for 1 minute, and left to stand to observe the stratification state and clarity of the product. The test time was 2 hours, with observations made every 1 minute for the first 10 minutes and every 20 minutes thereafter. The results are shown in Table 1.

[0112] Table 1

[0113] sample Appearance Example 1 Colorless to light yellow clear liquid Example 2 Colorless to light yellow clear liquid Example 3 Colorless to light yellow clear liquid Example 4 Colorless to light yellow clear liquid Example 5 Colorless to light yellow clear liquid Example 6 Colorless to light yellow clear liquid Example 7 Colorless to light yellow clear liquid Example 8 Translucent turbid liquid Example 9 Colorless to light yellow clear liquid Example 10 Colorless to light yellow clear liquid Embodiment 11 Colorless to light yellow clear liquid Comparative Example 1 Colorless to light yellow clear liquid Comparative Example 2 Colorless to light yellow clear liquid

[0114] It can be seen from the test results in Table 1 that the makeup remover oil obtained by the present invention has a clear and transparent aesthetic effect. It can be seen from Example 8 that the selection of the emulsifier directly affects the emulsification effect of the product, and further affects the stability and aesthetics of the product.

[0115] Test Example 2

[0116] Cleansing test for makeup (liquid foundation, lipstick):

[0117] 130 volunteers were divided into 13 groups, with 10 people in each group. The 13 groups of volunteers used the products prepared in Examples 1-11 and Comparative Examples 1-2, respectively. The specific method was as follows: All volunteers uniformly cleaned the left forearm and the curved side of the right forearm, gently dried the water with a paper towel, and then marked 3 areas of 4cm*4cm as test areas, with at least 2cm between each area, and numbered the 3 test areas as L1, L2, L3 and R1, R2, R3, respectively. After sitting for 20 minutes, the images of each test area were collected using a microscope, and the L*, a*, and b* values ​​of the initial state of the skin were measured by a spectrophotometer.

[0118] Then, a microscope was used to capture images of each test area, and a spectrophotometer was used to measure the L*, a*, and b* values ​​of the skin after applying BB cream / lipstick.

[0119] L1, L2, L3 and R1, R2, R3 areas are cleaned by quantitatively (1 mL) using the product of the embodiment or the cleaning product obtained in the comparative example. Then rinse with clean water and gently dry the water with a paper towel. Sit still for 30 minutes, use a microscope to collect images of each test area, and measure the L*, a*, and b* values ​​of the skin after makeup removal and cleaning with a spectrophotometer. L* represents black and white, the larger the L* value, the whiter the skin tends to be, and vice versa, it tends to be black; a* represents red-green, the larger the a* value, the more red the skin tends to be, and vice versa, the more green it tends to be; b* represents blue-yellow, the larger the b* value, the more yellow the skin tends to be, and vice versa, it tends to be blue. The laboratory maintains a constant temperature and humidity, the test temperature is 23°C to 24°C, and the relative humidity is 50% to 60%.

[0120] Cleansing power calculation method: Calculate the skin color difference after applying BB cream / lipstick compared to the initial state, recorded as △E (after application); Calculate the skin color difference after removing makeup and cleaning compared to the initial state, recorded as △E (after cleaning). △E can comprehensively reflect the three-dimensional changes in skin color. The larger the △E value, the more obvious the skin color change, and the smaller the △E value, the closer the skin color is. The cleaning power is calculated by △E. The calculation formula is:

[0121] △E=SQRT(△L* 2 +△a* 2 +△b* 2 )

[0122] Cleaning power = (△E (after application) - △E (after cleaning) / △E (after application)) × 100%

[0123] The results are shown in Table 2 (liquid foundation) and Table 3 (lipstick):

[0124] Table 2

[0125]

[0126]

[0127] Table 3

[0128]

[0129]

[0130] It can be seen from the data in Table 2 and Table 3 that the product of the present invention has a very good makeup removal ability, and the selection of oil and emulsifier components will have an impact on it.

[0131] Test Example 3

[0132] Short-term oil control efficacy test

[0133] SebumScale (skin sebum measuring instrument) is used to measure the changes in sebum levels on the forehead before and after using the product to measure the changes in sebum levels, thereby evaluating the oil control effect of cosmetics.

[0134] Experimental population: volunteers aged 18-45 years old were selected to use SebumScale to measure the sebum content on the forehead skin surface. Volunteers whose forehead sebum content exceeded 12μg / cm within 8 hours 2 50 volunteers were recruited and divided into 5 groups, with 10 people in each group. The 5 groups of volunteers used the products prepared in Examples 1-3 and Comparative Examples 1-2, respectively.

[0135] Experimental method: The subjects cleaned half of their face with the test sample and the other half with clean water. After cleaning, they dried with a dandruff-free absorbent paper towel. They sat quietly at 20-22°C and 40%-60% humidity for 0, 5, 30, and 60 minutes, and tested the forehead area for at least 3×3 cm. 2 The test area is a square of different sizes, and the measurement results are expressed as the average value of the measurement. When measuring at different time points, avoid the positions that have been measured. The larger the test value, the higher the skin oil content.

[0136] The test results were calculated as follows: skin oil content after sitting still - skin oil content after 0 minutes of cleaning. The results are shown in Table 4.

[0137] Table 4

[0138]

[0139] It can be seen from the data in Table 4 that the product involved in the present invention not only achieves a good makeup removal effect, but also has a significant short-term oil control effect. The use of salicylic acid in the product affects the amount of skin oil secretion.

[0140] Test Example 4 Human Efficacy Test

[0141] The product prepared in Example 1 was tested for its acne-removing effect, and the specific test scheme is as follows:

[0142] Test population: 10 volunteers aged between 18 and 45 with mild / moderate acne skin, accompanied by pigmentation, persistent erythema or depressed scars were selected, preferably those with oily acne skin who have the habit of wearing makeup and can maintain a regular life during the use period.

[0143] How to use: Take about two pumps of the sample on dry face every day, gently massage in circles, add appropriate amount of water to turn the oil into emulsion, then rinse with water. Use continuously for 28 days.

[0144] Test method: Before using the product and after using equal amounts of test samples D1, D7, D14, and D28, the subjects must use the facial image photography and analysis system VISIA-CR to collect data and images of hemoglobin content, red zone area, and porphyrin changes at each follow-up visit.

[0145] Test results: as shown in Table 5

[0146] Table 5

[0147] D0 mean D7 mean D14 mean D28 mean D0vsD28 Rate of change Red Zone Area 32.09％ 28.64％ 25.42％ 19.96％ -12.13％ -37.80％ Heme content 355.00 333.67 325.33 302.00 -53 -14.63％ Oil content 59 54 36 12 -47 -79.66％ Porphyrin content 1.11％ 0.80％ 0.84％ 0.70％ -0.41％ -36.94％

[0148] It can be seen from the data in Table 5 that the product involved in the present invention has a significant acne-removing effect. The product can penetrate into the deepest part of the patient's hair follicles, improve the blockage of pores, and achieve the effect of removing acne.

[0149] Test Example 5 Consumer Sensory Effect Evaluation

[0150] The volunteers were the same group of volunteers as those in Test Example 2, and were randomly divided into 13 groups, with 10 people in each group. Test method: The subjects used the products of Examples 1-11 and Comparative Examples 1-2, respectively, once every night for 14 consecutive days. After use, the subjects scored the use effect using a 5-point system: 4.5 points and above, indicating very good, very satisfied; 4-4.5 points are good; 3-4 points are medium and acceptable; 3 points or less are not good, unacceptable. The score of each group is the average of 10 people, and the results are shown in Table 6.

[0151] Table 6

[0152]

[0153]

[0154] As shown in Table 6, the increase or decrease of emulsifier has a great influence on each experience, and the selection of different oils has a great influence on the makeup removal power. For example, although the increase of the proportion of isohexadecane can improve the makeup removal power, the mildness decreases. In summary, the proportion of each component in Example 1 is the optimal proportion, with the best skin feel and excellent makeup removal, and it also has good use effects of removing acne and blackheads.

[0155] Test Example 6

[0156] Safety evaluation:

[0157] The specific method is: 35 males / females aged 18-55 years old with no history of allergies are selected, and each subject is tested with the product prepared in Examples 1-11. A qualified patch tester is selected, and the 1% dilution of Examples 1-11 is added to the patch tester by a closed patch test method, about 0.020ml-0.025ml, respectively, and the test is applied to the curved side of the forearm of the subject with a special adhesive tape. After 24 hours, the test substance is removed, and the skin reaction is observed 30 minutes, 24 hours, and 48 hours after removal, and the results are recorded according to the skin reaction grading standard (Table 7) in the "Safety Technical Specifications for Cosmetics" (2015 Edition).

[0158] The grading standards for adverse skin reactions are shown in Table 7:

[0159] Table 7

[0160]

[0161]

[0162] The results are shown in Table 8:

[0163] Table 8

[0164]

[0165] From the data in Table 8, it can be seen that after removing the spot tester for 30 minutes, 24 hours, and 48 hours, no adverse reactions were observed on the skin except for Example 6, and it was determined that the makeup remover oil of the present invention had no adverse reactions to the human body and was highly safe. From Example 6, it can be seen that the choice of oil will directly affect the irritation of the product.

[0166] The applicant declares that the present invention uses the above-mentioned embodiments to illustrate the oil-controlling and anti-acne salicylic acid cleansing oil and its preparation method, but the present invention is not limited to the above-mentioned embodiments, that is, it does not mean that the present invention must rely on the above-mentioned embodiments to be implemented. Those skilled in the art should understand that any improvement of the present invention, equivalent replacement of the raw materials of the product of the present invention, addition of auxiliary ingredients, selection of specific methods, etc., all fall within the protection scope and disclosure scope of the present invention.

[0167] The preferred embodiments of the present invention are described in detail above. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

[0168] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

Claims

1. An oil-controlling and acne-removing salicylic acid cleansing oil, characterized in that: The oil-controlling and acne-removing salicylic acid cleansing oil comprises, by weight, 75-95 parts of oil, 0.1-2 parts of salicylic acid, 0.1-1 parts of polyglycerol-10 laurate, 1-30 parts of emulsifier and 0.1-5 parts of water.

2. The oil-controlling and acne-removing salicylic acid cleansing oil according to claim 1, characterized in that: The oil-controlling acne-removing salicylic acid cleansing oil comprises, by weight, 80-95 parts of oil, 0.5-2 parts of salicylic acid, 0.2-0.8 parts of polyglyceryl-10 laurate, 5-25 parts of emulsifier and 0.1-3 parts of water; Preferably, the oil-controlling and acne-removing salicylic acid cleansing oil comprises, by weight, 80-90 parts of oil, 0.5-2 parts of salicylic acid, 0.2-0.5 parts of polyglyceryl-10 laurate, 10-20 parts of emulsifier and 0.1-2 parts of water.

3. The oil-controlling acne-removing salicylic acid cleansing oil according to claim 1 or 2, characterized in that: The oil comprises any one or a combination of at least two of ethylhexyl palmitate, isohexadecane, triethylhexanoin, propylene glycol dicaprylate / dicaprate, cetyl alcohol ethylhexanoate, C12-15 alcohol benzoate, hexyldecanol or octyldodecanol; Preferably, the oil is a combination of ethylhexyl palmitate, isohexadecane and C12-15 alcohol benzoate; Preferably, the mass ratio of ethylhexyl palmitate, isohexadecane and C12-15 alcohol benzoate is (12-17):(0.5-3):(0.1-2).

4. The oil-controlling acne-removing salicylic acid cleansing oil according to any one of claims 1 to 3, characterized in that: The emulsifier includes any one or a combination of at least two of PEG-3 glyceryl isostearate, sorbitan polyether-30 tetraoleate, PEG-20 glyceryl triisostearate, PEG-7 glyceryl cocoate, polysorbate-85, PEG-12 diisostearate, polysorbate-60 or polyglyceryl-10 diisostearate; Preferably, the emulsifier is a combination of sorbitan polyether-30 tetraoleate and PEG-7 glyceryl cocoate; Preferably, the mass ratio of sorbitan polyether-30 tetraoleate to PEG-7 glyceryl cocoate is (5-10):(0.3-2).

5. The oil-controlling and acne-removing salicylic acid cleansing oil according to any one of claims 1 to 4, characterized in that: The components of the oil-controlling and acne-removing salicylic acid cleansing oil also include an alkaline pH regulator and / or an antioxidant; Preferably, the amount of the alkaline pH regulator added is 0.1-2 parts by weight; Preferably, the antioxidant is added in an amount of 0.05-2 parts by weight.

6. The oil-controlling and acne-removing salicylic acid cleansing oil according to claim 5, characterized in that: The alkaline pH adjuster includes any one or a combination of at least two of sodium hydroxide, potassium hydroxide, aminomethyl propanol, tromethamine or triethanolamine; Preferably, the antioxidant comprises any one or a combination of at least two of tocopherol, pentaerythritol tetra(di-tert-butylhydroxyhydrocinnamate), butylated hydroxytoluene or tocopherol acetate; Preferably, the combination of pentaerythritol tetrakis (di-tert-butyl hydroxyhydrocinnamate) ester and tocopherol acetate; Preferably, the mass ratio of pentaerythritol tetrakis(di-tert-butylhydroxyhydrocinnamate) ester to tocopherol acetate is (0.05-0.5):(0.01-0.5).

7. A method for preparing the oil-controlling and acne-removing salicylic acid cleansing oil according to any one of claims 1 to 6, characterized in that: The method comprises mixing oil, emulsifier, salicylic acid, polyglyceryl-10 laurate and water, and obtaining the oil-controlling and acne-removing salicylic acid cleansing oil after homogenization.

8. The method for preparing the oil-controlling and acne-removing salicylic acid cleansing oil according to claim 7, characterized in that: The method comprises: (1) mixing salicylic acid and polyglycerol-10 laurate, adding part of fat and antioxidant, and homogenizing to obtain phase A; The pH adjuster, water and emulsifier are dispersed and homogenized to obtain phase B; (2) Mix the remaining oil with phase A, add phase B evenly, and stir until homogeneous to obtain the oil-controlling and acne-removing salicylic acid makeup remover oil.

9. The preparation method according to claim 8, characterized in that: The mixing in step (1) is carried out by stirring at a speed of 300-500 rpm; Preferably, the mixing temperature in step (1) is 80-90°C; Preferably, the partial oil in step (1) is 40-60% of the total oil.

10. The preparation method according to claim 8 or 9, characterized in that: The mixing temperature in step (2) is 50-60° C. Preferably, the mixing in step (2) is carried out in a stirring manner, and the stirring speed is 300-500 rpm.

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