A physical sunscreen composition suitable for children's sunscreen products and its application

Abstract

The present invention relates to the technical field of cosmetics, and specifically discloses a physical sunscreen composition suitable for children's sunscreen products and its application. A physical sunscreen composition suitable for children's sunscreen products includes 20% - 50% isododecane, 0 - 50% zinc oxide, 1% - 50% titanium dioxide, 1% - 10% Malus prunifolia seed oil, 1% - 10% hydroxyapatite, 0.1% - 1% Buddleja officinalis extract, and 0.1% - 1% buckwheat seed extract. The application of a physical sunscreen composition suitable for children's sunscreen products in the preparation of sunscreen products lies in adding a physical sunscreen composition suitable for children's sunscreen products to the sunscreen products. This application provides a physical sunscreen composition that has high sun protection efficiency, a light texture, is easy to apply, does not turn white falsely, has good safety performance, can have anti-inflammatory and soothing effects, and can be applied to children's sunscreen products.

Description

Technical Field

[0001] The present invention relates to the technical field of cosmetics, and particularly to a physical sunscreen composition applicable to children's sunscreen products and its application. Background Art

[0002] With the vigorous development of social economy and the improvement of people's sunscreen awareness, the market scale of sunscreen products has gradually expanded, and in particular, sunscreen products for children have started to emerge. Children's skin is thin, delicate, and sensitive, easily affected by external stimuli, with less sebum secretion and a relatively weak skin barrier function. This makes their skin more prone to dryness and damage, and more sensitive to ultraviolet rays. The particularity of children's skin poses higher requirements for the safety and efficacy of children's sunscreen products.

[0003] Generally speaking, compared with chemical sunscreen agents, physical sunscreen agents are less likely to cause skin allergic reactions. However, due to their relatively large particle size, traditional non-nano physical sunscreen agents are not only difficult to be evenly dispersed in sunscreen products, but also have weak adhesion on the skin surface and are easily removed by sweat and friction. Therefore, non-nano physical sunscreen agents may not be able to achieve a high sun protection factor during use, resulting in unsatisfactory sunscreen effects. In addition, large-particle physical sunscreen agents are prone to the phenomenon of false whitening, reducing the aesthetic degree, and having a rough texture and poor spreadability, etc., affecting the use experience of consumers. However, when choosing nano physical sunscreen agents, the nano particles may penetrate the skin and enter the body or clog pores, especially more likely to cause health problems such as inflammatory reactions in children's skin. Moreover, nano materials are relatively expensive and are not easily accepted by ordinary consumers.

[0004] Therefore, it is necessary to further improve the formula of traditional non-nano physical sunscreen agents and develop physical sunscreen products applicable to children with a high sun protection factor, which has become an urgent problem to be solved in the technical field of cosmetics. Summary of the Invention

[0005] In order to overcome the problem that traditional non-nano physical sunscreen agents are difficult to achieve a high sun protection factor, the present invention provides a physical sunscreen composition applicable to children's sunscreen products and its application. In the research of this application, it is found that when using non-nano physical sunscreen agents to prepare a physical sunscreen composition, further adding Malus prunifolia seed oil, hydroxyapatite, Buddleja officinalis Maxim. extract, and Fagopyrum esculentum Moench seed extract can enable the physical sunscreen composition to obtain a synergistic sunscreen effect and significantly improve the sun protection factor of the physical sunscreen composition.

[0006] In the first aspect, a physical sunscreen composition applicable to children's sunscreen products provided by this application adopts the following technical solution:

[0007] A physical sunscreen composition suitable for children's sunscreen products, characterized by comprising the following components in weight percentages: 20% - 50% isododecane, 1% - 50% zinc oxide, 1% - 50% titanium dioxide, 1% - 10% Calophyllum inophyllum seed oil, 1% - 10% hydroxyapatite, 0.1% - 1% Buddleja officinalis extract, 0.1% - 1% Fagopyrum esculentum seed extract.

[0008] In the above technical solution, in this application, non-nano zinc oxide and titanium dioxide are used as the physical sunscreen components of the physical sunscreen composition, ensuring the use safety of the physical sunscreen composition. By using isododecane, Calophyllum inophyllum seed oil and hydroxyapatite to compound zinc oxide and titanium dioxide, the spreading property, adhesion and transparency of the physical sunscreen are enhanced, thus improving the poor skin feelings such as dryness and false whiteness when the physical sunscreen composition is used on the skin. In addition, by simultaneously adding Calophyllum inophyllum seed oil, hydroxyapatite, Buddleja officinalis extract and Fagopyrum esculentum seed extract to the physical sunscreen composition, the SPF value of the physical sunscreen composition can be further increased on the basis of the theoretical addition amount, obtaining a synergistic sunscreen effect. At the same time, the Calophyllum inophyllum seed oil, hydroxyapatite, Buddleja officinalis extract and Fagopyrum esculentum seed extract used in this application also have the following skin care effects: Calophyllum inophyllum seed oil is rich in unsaturated fatty acids such as oleic acid and linolenic acid, has good moisturizing and skin barrier repair functions, can relieve skin dryness and sensitivity, and is especially suitable for children's delicate skin; hydroxyapatite has characteristics such as biocompatibility, bioactivity and degradability, can help remove free radicals from the skin and improve skin moisturization; Buddleja officinalis extract has excellent soothing and moisturizing effects on the skin, can relieve skin inflammation and enhance skin barrier function; Fagopyrum esculentum seed extract contains flavonoids, has antioxidant and soothing and anti-allergic effects, can also improve skin blood circulation and enhance skin resistance. The addition of Calophyllum inophyllum seed oil, hydroxyapatite, Buddleja officinalis extract and Fagopyrum esculentum seed extract not only improves the sunscreen index of the physical sunscreen composition, but also endows the physical sunscreen composition with skin care effects of lightness, moisture, anti-inflammation and soothing, enabling the physical sunscreen composition to moisturize and protect children's delicate skin while protecting against ultraviolet rays.

[0009] Preferably, the weight ratio of the Calophyllum inophyllum seed oil, hydroxyapatite, Buddleja officinalis extract and Fagopyrum esculentum seed extract is 5:7:1:1.

[0010] In the above technical solution, the present application further optimizes the weight ratio of Malus prunifolia seed oil, hydroxyapatite, Buddleja officinalis extract, and Fagopyrum esculentum seed extract to ensure that the synergistic effect of each component in the physical sunscreen composition reaches the best effect. Specifically, the moisturizing and repairing effect of Malus prunifolia seed oil, the moisturizing effect of hydroxyapatite, the soothing effect of Buddleja officinalis extract, and the antioxidant effect of Fagopyrum esculentum seed extract work together to further enhance the sunscreen effect and skin care effect of the physical sunscreen composition, enabling children to obtain good skin care while enjoying sun protection.

[0011] Preferably, the physical sunscreen composition applicable to children's sunscreen products further comprises 0-1% of Paeonia lactiflora root extract and 0-1% of Calendula officinalis flower extract.

[0012] In the above technical solution, the present application further adds Paeonia lactiflora root extract and Calendula officinalis flower extract to further enhance the sunscreen effect and skin care efficacy of the physical sunscreen composition. Paeonia lactiflora root extract is rich in various active ingredients, has good antioxidant and anti-inflammatory effects, can effectively relieve skin redness and inflammatory reactions, and has a certain moisturizing effect; Calendula officinalis flower extract has significant soothing and repairing effects and can relieve skin sensitivity and irritation. By adding these two extracts, Paeonia lactiflora root extract and Calendula officinalis flower extract, the physical sunscreen composition can obtain better anti-inflammatory and soothing effects while providing sun protection. At the same time, Paeonia lactiflora root extract and Calendula officinalis flower extract can also interact with the lipid layer on the skin surface, promoting the formation of a more firm and complete protective layer by the physical sunscreen composition. Through such regulatory effects of Paeonia lactiflora root extract and Calendula officinalis flower extract, the adhesion of the physical sunscreen composition on the skin is further improved.

[0013] Preferably, the weight ratio of Paeonia lactiflora root extract to Calendula officinalis flower extract is 0.7:0.5.

[0014] In the above technical solution, the present application further optimizes the weight ratio of Paeonia lactiflora root extract and Calendula officinalis flower extract, and the synergistic effect of each component in the physical sunscreen composition is further optimized. The combined action of Paeonia lactiflora root extract and Calendula officinalis flower extract not only enhances the anti-inflammatory and soothing effect of the physical sunscreen composition, but also further promotes the formation of a firm and complete protective layer on the skin surface by the interaction between the two and the sebum film, further improving the adhesion of the physical sunscreen composition and further enhancing the sunscreen effect of the physical sunscreen composition.

[0015] Preferably, the weight ratio of zinc oxide to titanium dioxide is 3:40.

[0016] In the above technical solution, the present application further optimizes the weight ratio of zinc oxide and titanium dioxide, two physical sunscreens, further enhances the synergistic sun protection effect of zinc oxide and titanium dioxide, and further optimizes the sun protection effect and skin feel of the physical sunscreen composition.

[0017] In a second aspect, the application of a physical sunscreen composition suitable for children's sunscreen products in the preparation of sunscreen products adopts the following technical solution:

[0018] For the application of a physical sunscreen composition suitable for children's sunscreen products in the preparation of sunscreen products, when preparing a sunscreen product, a physical sunscreen composition suitable for children's sunscreen products is added.

[0019] In the above technical solution, by adding the physical sunscreen composition of the present application when preparing a sunscreen product, the sunscreen product can provide efficient sun protection while meeting the needs of children's delicate skin. Since children's skin is relatively sensitive, traditional chemical sunscreens may cause irritation or allergic reactions. However, the physical sunscreen composition of the present application uses non-nano zinc oxide and titanium dioxide, avoiding potential health risks while ensuring the sun protection effect.

[0020] Preferably, the addition amount of the physical sunscreen composition suitable for children's sunscreen products accounts for 10% to 40% of the total weight of the sunscreen product.

[0021] In the above technical solution, by further optimizing the addition amount of the physical sunscreen composition suitable for children's sunscreen products and limiting the addition amount to the range of 10% to 40% of the total weight of the sunscreen product, not only the effective concentration of the physical sunscreen composition in the sunscreen product is ensured, but also the heaviness and discomfort caused by excessive addition are avoided, ensuring that the sunscreen product provides efficient sun protection without burdening children's delicate skin.

[0022] Preferably, the sunscreen product includes but is not limited to sunscreen lotion, sunscreen cream, sunscreen face cream, sunscreen spray, sunscreen lip balm, etc.

[0023] In the above technical solution, the physical sunscreen composition of the present application can be widely applied to various sunscreen products. Different forms of sunscreen products such as sunscreen lotion, sunscreen cream, sunscreen face cream, sunscreen spray, and sunscreen lip balm can meet the sun protection needs of children in different situations.

[0024] Preferably, the sunscreen product is a sunscreen cream. Calculated by weight percentage of the sunscreen cream, it includes 10% - 15% glycerin, 1% - 5% trehalose, 0.1% - 0.5% allantoin, 0.1% - 0.5% xanthan gum, 0.02% - 0.1% chelating agent, 0.5% - 1% glyceryl stearate citrate, 1% - 3% polyglyceryl-10 stearate, 0.5% - 1.5% cetearyl alcohol, 1% - 10% squalane, 1% - 5% jojoba seed oil, 10% - 40% physical sunscreen composition suitable for children's sunscreen products, 0.1% - 0.2% citric acid, 0.2% - 0.5% p-hydroxyacetophenone, 0.1% - 1% 1,2-hexanediol, and the balance is water.

[0025] In the above technical solution, the present application provides a detailed formula of a sunscreen cream, and obtains a safe and effective children's sunscreen cream, which can not only provide high-efficiency sunscreen protection, but also moisturize and repair children's delicate skin, meeting the needs of children for sunscreen products.

[0026] In summary, the present application includes at least one of the following beneficial technical effects:

[0027] 1. When preparing the physical sunscreen composition by using non-nano physical sunscreen agents, by using Malus prunifolia seed oil, hydroxyapatite, Buddleja officinalis extract and Fagopyrum esculentum seed extract, the physical sunscreen composition can obtain better sunscreen effects on the premise of ensuring safety, and significantly improve the sun protection factor of the physical sunscreen composition.

[0028] 2. By further adding Paeonia lactiflora root extract and Calendula officinalis flower extract to the physical sunscreen composition, not only the anti-inflammatory and soothing effects of the physical sunscreen composition are improved, but also the sunscreen effects of the physical sunscreen composition are further improved.

[0029] 3. By optimizing the weight ratio of zinc oxide and titanium dioxide, the sunscreen effects and skin feel of the physical sunscreen composition are further improved, and at the same time, the irritation or allergic reactions that may be caused by traditional chemical sunscreen agents are avoided, ensuring the safety of children's sunscreen products. Detailed Description of the Invention

[0030] To better illustrate the purpose, technical solution and advantages of the present invention, the present invention will be further described below in conjunction with specific embodiments.

[0031] In the following specific embodiments, the sources of some raw materials are shown in Table 1.

[0032] Table 1:

[0033]

[0034]

[0035] Example 1

[0036] A physical sunscreen composition suitable for children's sunscreen products, comprising 48.8 kg of isododecane, 40 kg of titanium dioxide, 10 kg of Chinese flowering crabapple seed oil, 1 kg of hydroxyapatite, 0.1 kg of Buddleja officinalis extract, and 0.1 kg of buckwheat seed extract.

[0037] Among them, the preparation method of the physical sunscreen composition includes: putting isododecane, titanium dioxide, Chinese flowering crabapple seed oil, and hydroxyapatite into a stirring pot, stirring for 30 min, then grinding with a colloid grinder for 1 h until the material is delicate, and then adding Buddleja officinalis extract and buckwheat seed extract and stirring evenly.

[0038] Example 2

[0039] A physical sunscreen composition suitable for children's sunscreen products, different from Example 1, comprising 45.8 kg of isododecane, 3 kg of zinc oxide, 40 kg of titanium dioxide, 10 kg of Chinese flowering crabapple seed oil, 1 kg of hydroxyapatite, 0.1 kg of Buddleja officinalis extract, and 0.1 kg of buckwheat seed extract.

[0040] Among them, the preparation method of the physical sunscreen composition includes: putting isododecane, zinc oxide, titanium dioxide, Chinese flowering crabapple seed oil, and hydroxyapatite into a stirring pot, stirring for 30 min, then grinding with a colloid grinder for 1 h until the material is delicate, and then adding Buddleja officinalis extract and buckwheat seed extract and stirring evenly.

[0041] Example 3

[0042] A physical sunscreen composition suitable for children's sunscreen products, different from Example 1, comprising 44 kg of isododecane, 3 kg of zinc oxide, 40 kg of titanium dioxide, 1 kg of Chinese flowering crabapple seed oil, 10 kg of hydroxyapatite, 1 kg of Buddleja officinalis extract, and 1 kg of buckwheat seed extract.

[0043] Among them, the preparation method of the physical sunscreen composition includes: putting isododecane, zinc oxide, titanium dioxide, Chinese flowering crabapple seed oil, and hydroxyapatite into a stirring pot, stirring for 60 min, then grinding with a colloid grinder for 2 h until the material is delicate, and then adding Buddleja officinalis extract and buckwheat seed extract and stirring evenly.

[0044] Example 4

[0045] A physical sunscreen composition suitable for children's sunscreen products, different from Example 1, comprising 43 kg of isododecane, 3 kg of zinc oxide, 40 kg of titanium dioxide, 5 kg of Chinese flowering crabapple seed oil, 7 kg of hydroxyapatite, 1 kg of Buddleja officinalis extract, and 1 kg of buckwheat seed extract.

[0046] Among them, the preparation method of the physical sunscreen composition includes: putting isododecane, zinc oxide, titanium dioxide, Chinese flowering crabapple seed oil, and hydroxyapatite into a stirring pot, stirring for 60 minutes, then grinding with a colloid grinder for 2 hours until the material is delicate, and then adding Buddleja officinalis extract and buckwheat seed extract, and stirring evenly.

[0047] Example 5

[0048] A physical sunscreen composition suitable for children's sunscreen products, different from Example 4, further includes 1 kg of Paeonia lactiflora root extract and 1 kg of Calendula officinalis flower extract.

[0049] Among them, the preparation method of the physical sunscreen composition includes: putting isododecane, zinc oxide, titanium dioxide, Chinese flowering crabapple seed oil, and hydroxyapatite into a stirring pot, stirring for 60 minutes, then grinding with a colloid grinder for 2 hours until the material is delicate, and then adding Buddleja officinalis extract, buckwheat seed extract, Paeonia lactiflora root extract and Calendula officinalis flower extract, and stirring evenly.

[0050] Example 6

[0051] A physical sunscreen composition suitable for children's sunscreen products, different from Example 4, further includes 0.7 kg of Paeonia lactiflora root extract and 0.5 kg of Calendula officinalis flower extract.

[0052] Among them, the preparation method of the physical sunscreen composition includes: putting isododecane, zinc oxide, titanium dioxide, Chinese flowering crabapple seed oil, and hydroxyapatite into a stirring pot, stirring for 60 minutes, then grinding with a colloid grinder for 2 hours until the material is delicate, and then adding Buddleja officinalis extract, buckwheat seed extract, Paeonia lactiflora root extract and Calendula officinalis flower extract, and stirring evenly.

[0053] Example 7

[0054] A physical sunscreen composition suitable for children's sunscreen products, different from Example 6, the Paeonia lactiflora root extract is replaced with Tagetes erecta flower extract in equal amount.

[0055] Example 8

[0056] A physical sunscreen composition suitable for children's sunscreen products, different from Example 6, the Calendula officinalis flower extract is replaced with Matricaria recutita extract in equal amount.

[0057] Comparative Example 1

[0058] A physical sunscreen composition suitable for children's sunscreen products, different from Example 4, the Chinese flowering crabapple seed oil is replaced with Olea europaea fruit oil in equal amount.

[0059] Comparative Example 2

[0060] A physical sunscreen composition suitable for children's sunscreen products. Different from Example 4, hydroxyapatite is replaced with silicon dioxide in equal amounts.

[0061] Comparative Example 3

[0062] A physical sunscreen composition suitable for children's sunscreen products. Different from Example 4, buddleja officinalis extract is replaced with rhodiola rosea extract in equal amounts.

[0063] Comparative Example 4

[0064] A physical sunscreen composition suitable for children's sunscreen products. Different from Example 4, buckwheat seed extract is replaced with calendula flower extract in equal amounts.

[0065] Application Example 1

[0066] A sunscreen cream, comprising 76 kg of water, 10 kg of glycerol, 2 kg of trehalose, 0.1 kg of allantoin, 0.2 kg of xanthan gum, 0.05 kg of disodium ethylenediaminetetraacetate, 0.5 kg of glyceryl stearate citrate, 2 kg of polyglyceryl-10 stearate, 1 kg of cetearyl alcohol, 5 kg of squalane, 2 kg of jojoba seed oil, 40 kg of a physical sunscreen composition suitable for children's sunscreen products, 0.15 kg of citric acid, 0.4 kg of p-hydroxyacetophenone, and 0.6 kg of 1,2-hexanediol.

[0067] Among them, the physical sunscreen composition suitable for children's sunscreen products is from Example 1.

[0068] Among them, the preparation method of the sunscreen cream comprises the following steps:

[0069] Step 1: Mix glyceryl stearate citrate, polyglyceryl-10 stearate, cetearyl alcohol, squalane and jojoba seed oil, heat to 80 °C, stir and dissolve evenly for standby.

[0070] Step 2: Mix water, glycerol, trehalose, allantoin, xanthan gum and disodium ethylenediaminetetraacetate, stir and heat to 90 °C, stir until completely dissolved evenly, and then continue to stir and keep warm for 30 min.

[0071] Step 3: Add the physical sunscreen composition suitable for children's sunscreen products to the solution obtained in Step 1, stir evenly, then add the obtained solution to the solution obtained in Step 2, homogenize for 10 min, and evacuate and cool down.

[0072] Step 4: When the temperature is cooled to 45 °C, add citric acid and stir evenly, then add p-hydroxyacetophenone and 1,2-hexanediol, and stir evenly.

[0073] Application Example 2

[0074] A sunscreen cream, different from Application Example 1, the physical sunscreen composition applicable to children's sunscreen products is from Example 2.

[0075] Application Example 3

[0076] A sunscreen cream, different from Application Example 1, the physical sunscreen composition applicable to children's sunscreen products is from Example 3.

[0077] Application Example 4

[0078] A sunscreen cream, different from Application Example 1, the physical sunscreen composition applicable to children's sunscreen products is from Example 4.

[0079] Application Example 5

[0080] A sunscreen cream, different from Application Example 1, the physical sunscreen composition applicable to children's sunscreen products is from Example 5.

[0081] Application Example 6

[0082] A sunscreen cream, different from Application Example 1, the physical sunscreen composition applicable to children's sunscreen products is from Example 6.

[0083] Application Example 7

[0084] A sunscreen cream, different from Application Example 1, the physical sunscreen composition applicable to children's sunscreen products is from Example 7.

[0085] Application Example 8

[0086] A sunscreen cream, different from Application Example 1, the physical sunscreen composition applicable to children's sunscreen products is from Example 8.

[0087] Comparative Application Example 1

[0088] A sunscreen cream, different from Application Example 1, the physical sunscreen composition applicable to children's sunscreen products is from Comparative Example 1.

[0089] Comparative Application Example 2

[0090] A sunscreen cream, different from Application Example 1, the physical sunscreen composition applicable to children's sunscreen products is from Comparative Example 2.

[0091] Comparative Application Example 3

[0092] A sunscreen cream, different from Application Example 1, the physical sunscreen composition applicable to children's sunscreen products is from Comparative Example 3.

[0093] Comparative Application Example 4

[0094] A sunscreen cream, different from Application Example 1, the physical sunscreen composition applicable to children's sunscreen products is from Comparative Example 4.

[0095] Efficacy verification samples of the physical sunscreen composition: The sunscreen creams of Application Examples 1-8 and Comparative Application Examples 1-4 prepared using the physical sunscreen composition were used as the experimental groups, and a commercially available pure physical sunscreen product was used as the control group.

[0096] 1. SPF value test method for the physical sunscreen composition applied to the conventional cream system:

[0097]

[0098] The specific test method is as follows: Select two areas on the back of the test subject. One area will be coated with the sample, while the other area will not be protected. Then, expose the two areas to ultraviolet radiation of the same intensity at the same time (since the ultraviolet radiation intensities received by the two areas are equal, the minimum erythema dose required to produce the minimum erythema is proportional to the irradiation time). Divide the time when erythema appears in the two areas to obtain the SPF value of the sample. The test results are shown in Table 2-4.

[0099] 2. Viscosity test method for the physical sunscreen composition applied to the conventional cream system: Use an NDJ-1 rotational viscometer at 25 °C, with the 3rd rotor at the 12th gear and the 4th rotor at the 12th gear. The test time is 2 minutes, and the torque should be between 20% and 80%. The test results are shown in Table 2-4.

[0100] 3. Stability test method for the physical sunscreen composition applied to the conventional cream system:

[0101] Place the sample in the corresponding 48 °C oven, -19 °C refrigerator, and 48 °C and -19 °C high and low temperature alternating oven. After taking it out at the specified time and placing it at room temperature, scoop out the material with a spoon, observe and record the observation results. The test results are shown in Table 2-4.

[0102] 4. Sensory evaluation method for the physical sunscreen composition applied to the conventional cream system:

[0103] Select a total of 130 healthy volunteers aged 5 to 12. After cleaning the skin daily, apply about 0.4 g of the sample to the face. Parents evaluate its skin feel, spreadability, and transparency. After the volunteers play outdoors for 1 hour, parents evaluate its sunscreen effect, mildness, and adhesion, and record the scores. The full score is 10 points. Excellent is 8-10 points, good is 6-7 points, and average is 5 points and below. The test results are averaged and shown in Table 5.

[0104] Table 2:

[0105]

[0106] Table 3:

[0107]

[0108]

[0109] Table 4:

[0110]

[0111]

[0112] Table 5:

[0113]

[0114] Specifically, in combination with the analysis of Tables 2 - 5, it can be seen that the physical sunscreen composition of the present application is applied to a conventional cream system and has good sunscreen effect, viscosity, stability, skin feel, spreadability, transparency, mildness and adhesion.

[0115] Specifically, in combination with the analysis of Application Example 4 and Comparative Application Examples 1 - 4, compared with Application Example 4, the physical sunscreen compositions used in Comparative Application Examples 1 - 4 respectively replaced Malus prunifolia seed oil, hydroxyapatite, Buddleja officinalis extract and Fagopyrum esculentum seed extract. Compared with Comparative Application Examples 1 - 2, Application Example 4 performs well in dimensions such as sunscreen effect, viscosity, stability, skin feel, spreadability, transparency, mildness and adhesion; compared with Comparative Application Examples 3 - 4, Application Example 4 performs well in dimensions such as sunscreen effect. Therefore, the applicant believes that by using isododecane, Malus prunifolia seed oil and hydroxyapatite to compound zinc oxide and titanium dioxide, the viscosity, stability, skin feel, spreadability, adhesion and transparency of the physical sunscreen composition are improved. By compounding and using Malus prunifolia seed oil, hydroxyapatite, Buddleja officinalis extract and Fagopyrum esculentum seed extract, a better sunscreen effect is obtained, and the sun protection index of the physical sunscreen composition is significantly improved.

[0116] Specifically, in combination with the analysis of Application Example 4 and Application Examples 5 - 6, compared with Application Example 4, Application Examples 5 - 6 further added Paeonia lactiflora root extract and Calendula officinalis flower extract. Application Examples 5 - 6 perform well in dimensions such as sunscreen effect, mildness and adhesion. Therefore, the applicant believes that further adding Paeonia lactiflora root extract and Calendula officinalis flower extract to the physical sunscreen composition can further enhance the anti - inflammatory and soothing effects and sunscreen effect of the physical sunscreen composition.

[0117] This specific embodiment is only an explanation of the present application and does not limit the present application. After reading this specification, those skilled in the art can make modifications to this embodiment without creative contributions as needed, but as long as it is within the scope of the claims of the present application, it is protected by the patent law.

Claims

1. A physical sunscreen composition suitable for children's sunscreen products, characterized in that, It consists of the following components by weight percentage: 20% - 50% isododecane, 0 - 50% zinc oxide, 1% - 50% titanium dioxide, 1% - 10% Malus prunifolia seed oil, 1% - 10% hydroxyapatite, 0.1% - 1% Buddleja officinalis extract, 0.1% - 1% Fagopyrum esculentum seed extract, 0 - 1% Paeonia lactiflora root extract, and 0 - 1% Calendula officinalis flower extract.

2. The physical sunscreen composition for children's sunscreen products according to claim 1, wherein The weight ratio of the Malus prunifolia seed oil, hydroxyapatite, Buddleja officinalis extract, and Fagopyrum esculentum seed extract is 5:7:1:

1.

3. The physical sunscreen composition for children's sunscreen products according to claim 1, characterized in that, The weight ratio of the Paeonia lactiflora root extract and Calendula officinalis flower extract is 0.7:0.

5.

4. The physical sunscreen composition for children's sunscreen products according to claim 1, characterized in that, The weight ratio of the zinc oxide and titanium dioxide is 3:

40.

5. Use of a physical sunscreen composition for children's sunscreen products as described in any one of claims 1 to 4 in the preparation of a sunscreen product, characterized in that, When preparing a sunscreen product, add the physical sunscreen composition applicable to children's sunscreen products.

6. Use of the physical sunscreen composition for children's sunscreen products according to claim 5 in the preparation of sunscreen products, characterized in that, The addition amount of the physical sunscreen composition applicable to children's sunscreen products accounts for 10% - 40% of the total weight of the sunscreen product.

7. Use of the physical sunscreen composition for children's sunscreen products according to claim 5 in the preparation of sunscreen products, characterized in that, The sunscreen products include sunscreen lotion, sunscreen cream, sunscreen spray, and sunscreen lip balm.

8. Use of a physical sunscreen composition for children's sunscreen products according to claim 5 in the preparation of sunscreen products, characterized in that, The sunscreen product is a sunscreen cream. Calculated by weight percentage of the sunscreen cream, it includes 10% - 15% glycerol, 1% - 5% trehalose, 0.1% - 0.5% allantoin, 0.1% - 0.5% xanthan gum, 0.02% - 0.1% chelating agent, 0.5% - 1% glyceryl stearate citrate, 1% - 3% polyglyceryl-10 stearate, 0.5% - 1.5% cetearyl alcohol, 1% - 10% squalane, 1% - 5% jojoba seed oil, 10% - 40% physical sunscreen composition applicable to children's sunscreen products, 0.1% - 0.2% citric acid, 0.2% - 0.5% p-hydroxyacetophenone, 0.1% - 1% 1,2-hexanediol, and the balance is water.

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