Soothing cream and preparation method thereof

Abstract

The invention relates to the field of soothing products, in particular to soothing cream and a preparation method thereof. The soothing cream comprises the following components: rhodiola root, peppermint, basil, a humectant, a preservative, an emulsifier, a thickener, grease and water. The preparation method of the soothing cream comprises the following steps: step 1, grinding the rhodiola rosea root, the peppermint and the basil into powder to obtain plant mixed powder; step 2, mixing the plant mixed powder with water, and carrying out microwave treatment under the condition of 600-700W for 20-30min to obtain a microwave mixture; 3, heating the microwave mixture to 95-100 DEG C, and keeping the temperature for 30-60 minutes to obtain a first mixture; and 4, mixing the rest raw materials with the first mixture, and uniformly stirring to obtain the soothing cream. The soothing cream provided by the invention can better improve the fragile and sensitive state of skin, has wider applicability, and can provide comprehensive and effective alleviation for skin sensitivity and inflammation.

Description

Technical Field

[0001] The present application relates to the field of soothing products, and more specifically, it relates to a soothing cream and a preparation method thereof. Background Art

[0002] In recent years, as the pace of life continues to accelerate, people are facing increasing pressure, which is directly reflected in skin health. More and more people are beginning to experience skin problems such as inflammation and allergies, which are often accompanied by fragile and sensitive conditions. Although existing soothing cosmetics can alleviate these symptoms to a certain extent, their ingredients and effects often have limitations.

[0003] Common active ingredients in traditional soothing cosmetics include kojic acid, arbutin, etc. Although these ingredients have a certain soothing effect, everyone's skin barrier function and sensitivity are different. These ingredients may irritate the skin of some people, causing allergies, redness, swelling, tingling and other discomfort symptoms. In addition, long-term use of these ingredients may also damage the skin's natural barrier, causing skin problems to worsen.

[0004] Therefore, the market is in urgent need of products with wider applicability that can provide effective relief for skin sensitivity and inflammation. Summary of the invention

[0005] In order to solve the above problems, the present application provides a soothing cream and a preparation method thereof. The soothing cream of the present application can better improve the fragile and sensitive state of the skin, has a wider applicability, and can provide comprehensive and effective relief for skin sensitivity and inflammation.

[0006] In a first aspect, the present application provides a soothing cream, which adopts the following technical solution: A soothing cream comprises the following components by mass percentage: 1-5% of rhodiola rosea root, 0.1-2% of peppermint, 1-3% of basil, 5-30% of moisturizer, 0.6-1% of preservative, 0.5-2% of emulsifier, 1.5-3% of thickener, 2-10% of oil and water.

[0007] Preferably, in terms of mass percentage, the rhodiola rosea root is 1.5-3%, the peppermint is 0.5-1.5%, and the basil is 2-3%.

[0008] Rhodiola rosea root, peppermint and basil work together in the soothing cream to work on the skin and achieve a good soothing effect. In addition, the selected Rhodiola rosea root, peppermint and basil are naturally mild and show unique advantages in soothing the skin. Rhodiola rosea root, peppermint and basil are rich in a variety of active ingredients, such as antioxidants, anti-inflammatory substances and moisturizing factors, which can work synergistically to effectively improve the skin condition. It also has good compatibility with human skin, is not easy to cause allergic reactions, can reduce irritation and damage to the skin, and is better suitable for use on sensitive skin.

[0009] Rhodiola rosea root is rich in ingredients such as salidroside and tyrosol, which can effectively resist the invasion of free radicals and protect skin cells from damage by the external environment. This antioxidant effect not only helps to delay skin aging, but also promotes the repair and regeneration of skin cells, providing deep nourishment and protection for the skin. At the same time, peppermint brings instant soothing effect to the skin with its unique cooling effect. Cooling ingredients such as menthol can quickly penetrate the skin and relieve discomfort such as skin sensitivity and itching. The anti-inflammatory effect of peppermint also further enhances its soothing effect, helping to reduce skin inflammation and make the skin healthier and smoother. Basil also has good antibacterial and skin-soothing effects. The active ingredients in basil can inhibit the growth of bacteria on the skin surface and reduce the risk of infection. At the same time, its soothing effect can also relieve skin discomfort, making the skin more comfortable and relaxed.

[0010] The synergy between Rhodiola rosea root, peppermint and basil maximizes the effectiveness of each. They work together on the skin to reduce inflammation, promote skin repair, and provide a cool and refreshing feeling to the skin. This synergy not only enhances the skin care effect of the soothing cream, but also makes the skin healthier, smoother and more elastic while being fully cared for.

[0011] In addition, the synergistic combination of specially selected rhodiola rosea root, peppermint and basil also enables the soothing cream to maintain good stability and significant skin care effects under high and low temperature conditions. This makes the soothing cream less likely to deteriorate at high temperatures and less likely to crystallize at low temperatures, thus ensuring the stability and durability of the product under different conditions.

[0012] Preferably, the moisturizing agent includes a mixture of one or more of propylene glycol, glycerin, 1,2-hexanediol, trehalose, and seaweed extract.

[0013] Preferably, the moisturizing agent is propylene glycol, glycerin, 1,2-hexanediol, trehalose, and seaweed extract. In terms of mass percentage, propylene glycol is 2-10%, glycerin is 1-10%, 1,2-hexanediol is 0.1-0.8%, trehalose is 1-4%, and seaweed extract is 1-4%.

[0014] By adopting the above technical solutions, a good moisturizing system is constructed under the synergistic effect of propylene glycol, glycerin, 1,2-hexanediol, trehalose and seaweed extract to replenish moisture for the skin and help provide a better experience for sensitive skin. The specially selected moisturizer combination has excellent moisturizing and penetration-promoting capabilities, builds a water-locking barrier for the skin, and promotes the effective absorption of other active ingredients such as rhodiola root, peppermint and basil, making the skin more hydrated and plump.

[0015] It is worth noting that 1,2-hexanediol not only provides good moisturizing and emollient effects for the skin, but also reduces skin problems that may be caused by microbial growth, making it more suitable for sensitive skin.

[0016] Preferably, the thickener comprises a mixture of one or more of lithium magnesium silicate, magnesium aluminum silicate, silicon dioxide, and sodium magnesium silicate.

[0017] When lithium magnesium silicate is used as the thickener, it can provide a stable texture for the soothing cream due to its thickening and thixotropy, making it easier to apply and absorb. At the same time, lithium magnesium silicate also has good moisturizing properties, which can absorb moisture on the surface of the skin, forming a protective film to prevent moisture loss and keep the skin moist and smooth. Lithium magnesium silicate also has a soothing effect, which can relieve symptoms such as skin sensitivity, swelling, itching, etc., and has a good improvement effect on allergic skin and inflammatory skin.

[0018] Preferred thickeners can also improve product stability in soothing creams. They can prevent the product from stratifying and thinning under high and low temperature conditions.

[0019] In a second aspect, the present application provides a method for preparing a soothing cream, using the following technical solution: A method for preparing a soothing cream comprises the following steps: Step 1: Grind rhodiola rosea root, peppermint, and basil into powder to obtain a mixed plant powder; Step 2: Mix the plant mixed powder with water, and microwave for 20-30 minutes at 600-700 W to obtain a microwave mixture; Step 3: heating the microwave mixture to 95-100° C. and keeping the temperature for 30-60 min to obtain a first mixture; Step 4: Mix the remaining ingredients with the first mixture and stir until smooth to obtain a soothing cream.

[0020] By adopting the above technical scheme, the preparation method of the soothing cream is further limited, especially by processing the plant mixed powder under specific microwave and temperature conditions, so that the rhodiola root, peppermint and basil can be more fully coordinated, and more active substances can act in the soothing cream, thereby effectively improving the performance of the soothing cream.

[0021] Preferably, in step 1, the particle size of the plant mixed powder is 80-120 mesh.

[0022] By adopting the above technical solution, the particle size of the plant mixed powder is further limited, which is more conducive to the subsequent release of active ingredients and improves the effect of the soothing cream.

[0023] Preferably, the plant mixed powder is 60 Co-γ ray irradiation treatment, the radiation dose is 1-5kGy.

[0024] By adopting the above technical solution, using 60 Co-γ ray irradiation treatment of plant mixed powder can effectively kill bacteria, mold and other microorganisms in it, ensuring the hygienic quality and safety of the soothing cream.

[0025] In addition, it can enhance the stability of the plant mixed powder and prevent it from deteriorating or degrading during the preparation and storage process (especially under high and low temperature conditions), thereby extending the shelf life of the soothing cream. It can also promote the release and transformation of certain active ingredients, further improving the skin care effect of the soothing cream.

[0026] In summary, this application has the following beneficial effects: 1. The synergistic combination of Rhodiola rosea root, peppermint and basil shows a unique mild property in the soothing cream. These natural ingredients are rich in a variety of active ingredients, which work together on the skin to effectively improve the skin condition. At the same time, they have good compatibility with human skin and are not easy to cause allergic reactions. This allows the soothing cream to reduce irritation and damage to the skin, and is especially suitable for sensitive skin.

[0027] 2. The synergistic effect of rhodiola rosea root, peppermint and basil maximizes the skin care effect of the soothing cream. The ingredients such as salidroside and tyrosol rich in rhodiola rosea root can effectively resist the invasion of free radicals and promote the repair and regeneration of skin cells; the cooling ingredients of peppermint can quickly penetrate the skin, relieve skin sensitivity and itching and other discomforts, and its anti-inflammatory effect further enhances the soothing effect; basil has good antibacterial and skin soothing effects, can inhibit the growth of bacteria on the skin surface, and reduce the risk of infection. This synergistic effect not only enhances the skin care effect of the soothing cream, but also makes the skin healthier, smoother and more elastic while being fully cared for.

[0028] 3. The synergistic combination of specially selected rhodiola rosea root, peppermint and basil enables the soothing cream to maintain good stability and significant skin care effects under high and low temperature conditions. This not only ensures that the soothing cream is not easy to deteriorate at high temperatures, but also is not easy to crystallize at low temperatures, thus ensuring the stability and durability of the product under different conditions, and also allows consumers to use it with confidence in various environments. DETAILED DESCRIPTION

[0029] The present application is further described in detail below with reference to the embodiments.

[0030] The raw materials used in the following examples and comparative examples are all commercially available products. Example

[0031] Example 1 A soothing cream comprises the following components: rhodiola rosea root, peppermint, basil, moisturizer, preservative, emulsifier, thickener, oil and water.

[0032] The specific content of each component is shown in Table 1.

[0033] The moisturizers are propylene glycol, glycerin, 1,2-hexanediol, trehalose, and seaweed extract.

[0034] The preservatives are methyl ester and PE9010.

[0035] The emulsifier is SEPIGEL 305.

[0036] The thickener is lithium magnesium silicate.

[0037] The grease is GTCC.

[0038] This embodiment also provides a method for preparing a soothing cream, comprising the following steps: Step 1: Pick fresh Rhodiola rosea roots, peppermint, and basil, remove diseased and insect-infested ones, and dry them.

[0039] The dried rhodiola rosea root, peppermint and basil are ground into powder to obtain a plant mixed powder, and the particle size of the plant mixed powder is 100 meshes.

[0040] Make the plant powder 60 Co-γ ray irradiation treatment, the radiation dose is 3kGy.

[0041] Step 2: Mix the plant mixed powder with water, and microwave for 25 minutes at 650 W to obtain a microwave mixture.

[0042] Step 3: Add the microwave mixture into an emulsifying pot, raise the temperature to 98° C., and keep the temperature for 45 minutes to obtain a first mixture.

[0043] Step 4: Lower the temperature of the first mixture to 85° C., add glycerin, 1,2-hexanediol, propylene glycol, methyl ester, and lithium magnesium silicate into the emulsifying pot, and stir for 30 minutes.

[0044] Step 5: Mix GTCC and SEPIGEL 305 evenly in advance, add them into the emulsifying pot and homogenize for 6 minutes.

[0045] Step 6: Mix trehalose evenly with a small amount of water to obtain a trehalose aqueous solution. The amount of water here is not required to be specific, it is only used for uniform dissolution.

[0046] Keep the material in the emulsifier warm for 20 minutes, then cool to 45°C, add PE 9010, seaweed extract and trehalose aqueous solution, stir evenly, and after passing the inspection, discharge the material to obtain the soothing cream.

[0047] Example 2 A soothing cream, which is different from Example 1 in that the specific content of each component is different, see Table 1 for details.

[0048] The thickener is sodium magnesium silicate.

[0049] A method for preparing a soothing cream, which is different from Example 1 in that some parameters are different. Specifically, the method comprises the following steps: Step 1: Pick fresh Rhodiola rosea roots, peppermint, and basil, remove diseased and insect-infested ones, and dry them.

[0050] The dried rhodiola rosea root, peppermint and basil are ground into powder to obtain a plant mixed powder, and the particle size of the plant mixed powder is 80 meshes.

[0051] Make the plant powder 60 Co-γ ray irradiation treatment, the radiation dose is 1kGy.

[0052] Step 2: Mix the plant mixed powder with water, and microwave for 20 minutes at 700 W to obtain a microwave mixture.

[0053] Step 3: Add the microwave mixture into an emulsifying pot, raise the temperature to 95° C., and keep the temperature for 60 minutes to obtain a first mixture.

[0054] Step 4: Lower the temperature of the first mixture to 85° C., add glycerin, 1,2-hexanediol, propylene glycol, methyl ester, and lithium magnesium silicate into the emulsifying pot, and stir for 30 minutes.

[0055] Step 5: Mix GTCC and SEPIGEL 305 evenly in advance, add them into the emulsifying pot and homogenize for 6 minutes.

[0056] Step 6: Mix trehalose evenly with a small amount of water to obtain a trehalose aqueous solution. The amount of water here is not required to be specific, it is only used for uniform dissolution.

[0057] Keep the material in the emulsifier warm for 20 minutes, then cool to 45°C, add PE 9010, seaweed extract and trehalose aqueous solution, stir evenly, and after passing the inspection, discharge the material to obtain the soothing cream.

[0058] Example 3 A soothing cream, which is different from Example 1 in that the specific content of each component is different, see Table 1 for details.

[0059] The thickener is magnesium aluminum silicate.

[0060] A method for preparing a soothing cream, which is different from Example 1 in that some parameters are different. Specifically, the method comprises the following steps: Step 1: Pick fresh Rhodiola rosea roots, peppermint, and basil, remove diseased and insect-infested ones, and dry them.

[0061] The dried rhodiola rosea root, peppermint and basil are ground into powder to obtain a plant mixed powder, and the particle size of the plant mixed powder is 120 meshes.

[0062] Make the plant powder 60 Co-γ ray irradiation treatment, the radiation dose is 5kGy.

[0063] Step 2: Mix the plant mixed powder with water, and microwave for 30 minutes at 600 W to obtain a microwave mixture.

[0064] Step 3: Add the microwave mixture into an emulsifying pot, raise the temperature to 100° C., and keep the temperature for 30 minutes to obtain a first mixture.

[0065] Step 4: Lower the temperature of the first mixture to 85° C., add glycerin, 1,2-hexanediol, propylene glycol, methyl ester, and lithium magnesium silicate into the emulsifying pot, and stir for 30 minutes.

[0066] Step 5: Mix GTCC and SEPIGEL 305 evenly in advance, add them into the emulsifying pot and homogenize for 6 minutes.

[0067] Step 6: Mix trehalose evenly with a small amount of water to obtain a trehalose aqueous solution. The amount of water here is not required to be specific, it is only used for uniform dissolution.

[0068] Keep the material in the emulsifier warm for 20 minutes, then cool to 45°C, add PE 9010, seaweed extract and trehalose aqueous solution, stir evenly, and after passing the inspection, discharge the material to obtain the soothing cream.

[0069] Example 4 A soothing cream, which is different from Example 1 in that the specific contents of Rhodiola rosea root, peppermint and basil are different, as shown in Table 1 for details.

[0070] Example 5 A soothing cream, which is different from Example 1 in that the moisturizing agent is propylene glycol.

[0071] Table 1 Comparative Example Comparative Example 1 A soothing cream, which is different from Example 1 in that the rhodiola rosea root is replaced with sea buckthorn.

[0072] Comparative Example 2 A soothing cream, which is different from Example 1 in that peppermint is replaced with mint.

[0073] Comparative Example 3 A soothing cream, which is different from Example 1 in that basil is replaced by rosemary.

[0074] Comparative Example 4 A soothing cream, which is different from Example 1 in that peppermint and basil are replaced by rhodiola rosea root.

[0075] Performance testing 1. Soothing: (1) Relief rate: 90 volunteers who self-diagnosed as having sensitive skin were selected and randomly divided into 9 groups, with 10 people in each group. One group corresponds to a soothing cream in Examples 1-5 and Comparative Examples 1-4.

[0076] Dissolve histamine into 2% liquid, and then use a rubber-tipped dropper to drop 2 drops on the volunteer's arm. After redness and swelling appear, use VISIA-CR to collect images, and then use Image-Pro-Plus image analysis software to analyze the skin a* value of the picture under Standard2 light source, which is the a* after stimulation.

[0077] The stimulated area of ​​the volunteer's arm was divided into two areas, one area was smeared with the corresponding soothing cream, and the other area was left blank (not smeared). After sitting for 1 hour, images were collected again to obtain a* after smearing and a* without smearing.

[0078] The smaller the a* value, the less redness of the skin.

[0079] The relief rate was calculated according to the following formula, and the relief rate of the volunteers in the same group was recorded as the group data in Table 2.

[0080] Table 2 Comparative Examples 1-3 are based on Example 1, and any of the rhodiola root, peppermint and basil are replaced with other plants; Comparative Example 4 is based on Example 1, and the plant only contains rhodiola root. According to the test data in Table 2, the soothing creams of Examples 1-5 obtained by destroying the special combination of rhodiola root, peppermint and basil to different degrees have better soothing effects.

[0081] Example 5 is based on Example 1, but the specific selection of moisturizer is changed. The soothing rate of Example 5 is lower than that of Example 1. This indicates that further limiting the type of moisturizer can help improve the performance of the soothing cream.

[0082] 2. High temperature: The soothing creams of Examples 1-5 and Comparative Examples 1-4 were placed in a room at 48° C. for 60 days. After being taken out, the cream bodies were observed to see if there were any changes. The results are recorded in Table 3.

[0083] Then the soothing test of Experiment 1 was repeated again, and the soothing rate of the product after high temperature storage was recorded in Table 3.

[0084] Table 3 3. Low temperature: The soothing creams of Examples 1-5 and Comparative Examples 1-4 were placed in a room at -18°C for 60 days. After being taken out, the cream bodies were observed to see if there were any changes. The results are recorded in Table 4.

[0085] Then the soothing test of Experiment 1 was repeated again, and the soothing rate of the product after low-temperature storage was recorded in Table 4.

[0086] Table 4 According to the test data in Tables 3 and 4, although the soothing creams of Examples 1-5 and Comparative Examples 1-4 did not change or show any abnormality in appearance during the high and low temperature tests. In the human body test, the soothing rates of Examples 1-5 and Comparative Examples 1-4 decreased to varying degrees compared to those of Test 1, indicating that high and low temperature storage will still affect the performance of the soothing creams. However, a careful comparison shows that the decline in the soothing creams of Examples 1-5 is smaller, and is significantly smaller than that of Comparative Examples 1-4. This indicates that the soothing creams of Examples 1-5 can still maintain good soothing properties after high and low temperature storage. However, after the soothing creams of Comparative Examples 1-4 destroyed the special combination of Rhodiola rosea root, peppermint and basil, the high and low temperature stability was greatly affected, and the soothing rate decreased significantly.

[0087] This specific embodiment is merely an explanation of the present application and is not a limitation of the present application. After reading this specification, those skilled in the art may make modifications to the present embodiment without any creative contribution as needed, but such modifications are protected by the patent law as long as they are within the scope of the claims of the present application.

Claims

1. A soothing cream, characterized in that: According to mass percentage, the composition includes: 1-5% rhodiola rosea root, 0.1-2% peppermint, 1-3% basil, 5-30% moisturizer, 0.6-1% preservative, 0.5-2% emulsifier, 1.5-3% thickener, 2-10% oil and water.

2. The soothing cream according to claim 1, characterized in that: According to mass percentage, the rhodiola rosea root is 1.5-3%, peppermint is 0.5-1.5%, and basil is 2-3%.

3. The soothing cream according to claim 1, characterized in that: The moisturizing agent includes a mixture of one or more of propylene glycol, glycerin, 1,2-hexanediol, trehalose, and seaweed extract.

4. The soothing cream according to claim 3, characterized in that: The moisturizing agent is propylene glycol, glycerin, 1,2-hexanediol, trehalose, and seaweed extract. According to mass percentage, propylene glycol is 2-10%, glycerin is 1-10%, 1,2-hexanediol is 0.1-0.8%, trehalose is 1-4%, and seaweed extract is 1-4%.

5. The soothing cream according to claim 1, characterized in that: The thickener comprises a mixture of one or more of lithium magnesium silicate, magnesium aluminum silicate, silicon dioxide, and sodium magnesium silicate.

6. A method for preparing the soothing cream according to any one of claims 1 to 5, characterized in that: The following steps are involved: Step 1: Grind rhodiola rosea root, peppermint, and basil into powder to obtain a mixed plant powder; Step 2: Mix the plant mixed powder with water, and microwave for 20-30 minutes at 600-700 W to obtain a microwave mixture; Step 3: heating the microwave mixture to 95-100° C. and keeping the temperature for 30-60 min to obtain a first mixture; Step 4: Mix the remaining ingredients with the first mixture and stir until smooth to obtain a soothing cream.

7. The method for preparing the soothing cream according to claim 6, characterized in that: In the step 1, the particle size of the plant mixed powder is 80-120 meshes.

8. The method for preparing the soothing cream according to claim 6, characterized in that: The plant mixed powder 60 Co-γ ray irradiation treatment, the radiation dose is 1-5kGy.

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