Whitening and moisturizing mask with moringa seed extract and preparation method of whitening and moisturizing mask

Abstract

The invention discloses a whitening and moisturizing mask with a moringa seed extract and a preparation method of the whitening and moisturizing mask, and relates to the technical field of daily cosmetics. The whitening and moisturizing mask comprises mask base cloth and mask liquid, and the mask liquid comprises the following components in parts by weight: 40-60 parts of purified water, 25-40 parts of a moisture loss inhibitor, 1-5 parts of a self-made modified moringa seed extract, 3-8 parts of a thickening agent, 1.5-4.5 parts of an adhesive, 1-5 parts of a self-made modified whitening component, 0.01-0.03 part of an antibacterial component and 0.01-0.03 part of a pH regulator. The invention further provides a preparation method of the whitening and moisturizing mask with the moringa seed extract, the self-made modified moringa seed extract and the self-made modified whitening components are added in the preparation method provided by the invention, and the prepared whitening and moisturizing mask not only can effectively play a role in whitening and moisturizing, but also can be used for whitening and moisturizing skin. The irritation of direct use of the moringa seed extract to the skin can be reduced, and the safety is high.

Description

Technical Field

[0001] The invention relates to the technical field of cosmetics, and more specifically discloses a whitening and moisturizing facial mask with moringa seed extract and a preparation method thereof. Background Art

[0002] Facial mask is a kind of cosmetics that directly covers the surface of the face and can replenish water and moisturize the skin in a short time. Whitening facial masks that add various antioxidants or whitening agents can promote melanin metabolism, inhibit and destroy melanin production, prevent tyrosinase activation or reduce melanin intermediates, etc., thereby achieving whitening effects and are very popular among people. Summary of the invention

[0003] The purpose of the present invention is to provide a whitening and moisturizing facial mask with Moringa seed extract and a preparation method thereof, so that the facial mask has whitening and moisturizing effects and is gentler and less irritating to use.

[0004] The technical solution of the present invention is as follows:

[0005] A whitening and moisturizing facial mask with moringa seed extract comprises a facial mask base and a facial mask liquid, wherein the facial mask liquid comprises the following components in parts by weight: 40-60 parts of purified water, 25-40 parts of a moisture loss inhibitor, 1-5 parts of a homemade modified moringa seed extract, 3-8 parts of a thickener, 1.5-4.5 parts of an adhesive, 1-5 parts of a homemade modified whitening ingredient, 0.01-0.03 parts of an antibacterial ingredient, and 0.01-0.03 parts of a pH adjuster.

[0006] Furthermore, the preparation method of the homemade modified Moringa seed extract is as follows: under argon protection, add the Moringa seed extract to a reaction bottle, add methanol with a volume of 8 times the mass of the Moringa seed extract, and stir to dissolve; control the temperature at 20-25°C, add sodium borohydride with a volume of 1.3 times the mass of the Moringa seed extract, control the temperature at 25-30°C to react for 4 hours, filter, remove methanol under reduced pressure, add dichloromethane with a volume of 10 times the mass of the Moringa seed extract to the residue to dissolve, wash with a 1M hydrochloric acid solution with a volume of 5 times the mass of the Moringa seed extract, and then wash twice with a volume of drinking water with a volume of 5 times the mass of the Moringa seed extract, and remove dichloromethane under reduced pressure to obtain the modified Moringa seed extract. The reaction equation is as follows:

[0007] ;

[0008] Furthermore, the preparation method of the homemade modified whitening ingredient is: add salicylic acid to a reaction bottle, add toluene with a volume 10 times the mass of salicylic acid and magnesium oxide with a mass 0.9 times the mass of salicylic acid, heat to 120°C for reflux reaction for 7 hours, filter, recrystallize the filter cake with anhydrous ethanol with a volume 3 times the mass of salicylic acid, filter, rinse the filter cake with anhydrous ethanol with a volume 1 times the mass of salicylic acid, and dry at 40°C in vacuum to constant weight. The reaction equation is as follows:

[0009] ;

[0010] Furthermore, the moisture loss inhibitor of the present invention includes one of glycerol, glycerol acrylate / acrylic acid copolymer, 1,2-hexanediol, and urea.

[0011] Furthermore, the thickener of the present invention includes one of xanthan gum, gellan gum, and PVM / MA copolymer.

[0012] Furthermore, the adhesive of the present invention includes one of castor oil / IPDI copolymer, hydroxyethyl cellulose and carboxymethyl cellulose.

[0013] Furthermore, the antibacterial component of the present invention includes one of phenoxyethanol, chlorophenglycol and sodium dehydroacetate.

[0014] Furthermore, the pH regulator of the present invention includes one of disodium hydrogen phosphate, triethanolamine and citric acid.

[0015] According to another aspect of the present invention, there is provided a method for preparing a whitening and moisturizing facial mask containing Moringa seed extract, comprising the following steps:

[0016] S1, adding the modified Moringa seed extract and the modified whitening ingredient into pure water, heating to 45-50°C and ultrasonically dissolving, which is recorded as the first system;

[0017] S2, adding the formulated amount of water loss inhibitor, adhesive, and antibacterial component to the first system, and homogenizing with a homogenizer for 10 to 15 minutes as the second mixed system;

[0018] S3, adding a formulated amount of pH adjuster to the second mixed system to adjust the pH of the system to 6-7, which is recorded as the third mixed system;

[0019] S4, adding the formula amount of thickener into the third system, and homogenizing with a homogenizer for 20 to 30 minutes to obtain a facial mask liquid;

[0020] S5, immersing the mask base fabric in the mask liquid for 20 to 30 minutes to obtain the whitening and moisturizing mask.

[0021] The beneficial effects of the present invention are as follows: the present invention provides a whitening and moisturizing facial mask with Moringa seed extract and a preparation method thereof, wherein the Moringa seed extract is modified to reduce the ketone substances in the Moringa seed extract that are irritating to the skin into alcohols, thereby reducing the irritation to the skin while retaining the original efficacy; the whitening ingredients are modified to improve the bioavailability of salicylic acid. The whitening and moisturizing facial mask with Moringa seed extract prepared according to the present invention not only has whitening and moisturizing effects, but is also less irritating to the skin and safer. DETAILED DESCRIPTION

[0022] The present invention will be described in detail below in conjunction with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0023] Example 1

[0024] 1. Preparation of modified Moringa seed extract: Under argon protection, add Moringa seed extract to a reaction bottle, add methanol with a volume of 8 times the mass of Moringa seed extract, stir to dissolve; control the temperature at 20-25°C, add sodium borohydride with a volume of 1.3 times the mass of Moringa seed extract, control the temperature at 25-30°C to react for 4 hours, filter, remove methanol under reduced pressure, add dichloromethane with a volume of 10 times the mass of Moringa seed extract to the residue to dissolve, wash with 1M hydrochloric acid solution with a volume of 5 times the mass of Moringa seed extract, and then wash twice with drinking water with a volume of 5 times the mass of Moringa seed extract, and remove dichloromethane under reduced pressure to obtain modified Moringa seed extract. The reaction equation is as follows:

[0025] .

[0026] 2. Preparation of modified whitening ingredients: Add salicylic acid to a reaction bottle, add toluene with a volume 10 times the mass of salicylic acid and magnesium oxide with a mass 0.9 times the mass of salicylic acid, heat to 120℃ and reflux for 7h, filter, recrystallize the filter cake with anhydrous ethanol with a volume 3 times the mass of salicylic acid, filter, rinse the filter cake with anhydrous ethanol with a volume 1 times the mass of salicylic acid, and dry at 40℃ under vacuum until constant weight. The reaction equation is as follows:

[0027] .

[0028] 3. Add 1 part of modified Moringa seed extract and 1 part of modified whitening ingredient to 40 parts of pure water, heat to 45°C and ultrasonically dissolve, which is recorded as the first system.

[0029] 4. Add 25 parts of glycerol and urea, 1.5 parts of hydroxyethyl cellulose, and 0.01 part of sodium dehydroacetate to the first system, and homogenize with a homogenizer for 10 minutes to record it as the second mixed system.

[0030] 5. Add 0.01 parts of disodium hydrogen phosphate and citric acid to the second mixed system and adjust the pH of the system to 7, which is recorded as the third mixed system.

[0031] 6. Add 3 parts of PVM / MA copolymer and xanthan gum into the third system and homogenize with a homogenizer for 20 minutes to obtain a facial mask liquid.

[0032] 7. Soak the mask base fabric in the mask liquid for 20 minutes to obtain a whitening and moisturizing mask with Moringa seed extract.

[0033] Example 2

[0034] 1. Preparation of modified Moringa seed extract: Under argon protection, add Moringa seed extract to a reaction bottle, add methanol with a volume of 8 times the mass of Moringa seed extract, stir to dissolve; control the temperature at 20-25°C, add sodium borohydride with a volume of 1.3 times the mass of Moringa seed extract, control the temperature at 25-30°C to react for 4 hours, filter, remove methanol under reduced pressure, add dichloromethane with a volume of 10 times the mass of Moringa seed extract to the residue to dissolve, wash with 1M hydrochloric acid solution with a volume of 5 times the mass of Moringa seed extract, and then wash twice with drinking water with a volume of 5 times the mass of Moringa seed extract, and remove dichloromethane under reduced pressure to obtain modified Moringa seed extract. The reaction equation is as follows:

[0035] .

[0036] 2. Preparation of modified whitening ingredients: Add salicylic acid to a reaction bottle, add toluene with a volume 10 times the mass of salicylic acid and magnesium oxide with a mass 0.9 times the mass of salicylic acid, heat to 120℃ and reflux for 7h, filter, recrystallize the filter cake with anhydrous ethanol with a volume 3 times the mass of salicylic acid, filter, rinse the filter cake with anhydrous ethanol with a volume 1 times the mass of salicylic acid, and dry at 40℃ under vacuum until constant weight. The reaction equation is as follows:

[0037] .

[0038] 3. Add 5 parts of modified Moringa seed extract and 5 parts of modified whitening ingredients into 60 parts of pure water, heat to 50°C and ultrasonically dissolve, which is recorded as the first system.

[0039] 4. Add 40 parts of glycerin and glyceryl acrylate / acrylic acid copolymer, 4.5 parts of carboxymethyl cellulose and 0.03 parts of phenoxyethanol into the first system, and homogenize with a homogenizer for 15 minutes to record as the second mixed system.

[0040] 5. Add 0.03 parts of triethanolamine and citric acid to the second mixed system and adjust the pH of the system to 6, which is recorded as the third mixed system.

[0041] 6. Add 8 parts of gellan gum and PVM / MA copolymer into the third system and homogenize with a homogenizer for 30 minutes to obtain a facial mask liquid.

[0042] 7. Soak the mask base fabric in the mask liquid for 30 minutes to obtain a whitening and moisturizing mask with Moringa seed extract.

[0043] Example 3

[0044] 1. Preparation of modified Moringa seed extract: Under argon protection, add Moringa seed extract to a reaction bottle, add methanol with a volume of 8 times the mass of Moringa seed extract, stir to dissolve; control the temperature at 20-25°C, add sodium borohydride with a volume of 1.3 times the mass of Moringa seed extract, control the temperature at 25-30°C to react for 4 hours, filter, remove methanol under reduced pressure, add dichloromethane with a volume of 10 times the mass of Moringa seed extract to the residue to dissolve, wash with 1M hydrochloric acid solution with a volume of 5 times the mass of Moringa seed extract, and then wash twice with drinking water with a volume of 5 times the mass of Moringa seed extract, and remove dichloromethane under reduced pressure to obtain modified Moringa seed extract. The reaction equation is as follows:

[0045] .

[0046] 2. Preparation of modified whitening ingredients: Add salicylic acid to a reaction bottle, add toluene with a volume 10 times the mass of salicylic acid and magnesium oxide with a mass 0.9 times the mass of salicylic acid, heat to 120℃ and reflux for 7h, filter, recrystallize the filter cake with anhydrous ethanol with a volume 3 times the mass of salicylic acid, filter, rinse the filter cake with anhydrous ethanol with a volume 1 times the mass of salicylic acid, and dry at 40℃ under vacuum until constant weight. The reaction equation is as follows:

[0047] .

[0048] 3. Add 3 parts of modified Moringa seed extract and 3 parts of modified whitening ingredients into 50 parts of pure water, heat to 45°C and ultrasonically dissolve, which is recorded as the first system.

[0049] 4. Add 35 parts of 1,2-hexanediol and urea, 3 parts of castor oil / IPDI copolymer, and 0.02 parts of chlorophenyl glycol to the first system, and homogenize with a homogenizer for 10 minutes to record it as the second mixed system.

[0050] 5. Add 0.02 parts of disodium hydrogen phosphate and citric acid to the second mixed system and adjust the pH of the system to 7, which is recorded as the third mixed system.

[0051] 6. Add 6 parts of xanthan gum into the third system and homogenize with a homogenizer for 30 minutes to obtain a facial mask liquid.

[0052] 7. Soak the mask base fabric in the mask liquid for 30 minutes to obtain a whitening and moisturizing mask with Moringa seed extract.

[0053] Example 4

[0054] 1. Preparation of modified Moringa seed extract: Under argon protection, add Moringa seed extract to a reaction bottle, add methanol with a volume of 8 times the mass of Moringa seed extract, stir to dissolve; control the temperature at 20-25°C, add sodium borohydride with a volume of 1.3 times the mass of Moringa seed extract, control the temperature at 25-30°C to react for 4 hours, filter, remove methanol under reduced pressure, add dichloromethane with a volume of 10 times the mass of Moringa seed extract to the residue to dissolve, wash with 1M hydrochloric acid solution with a volume of 5 times the mass of Moringa seed extract, and then wash twice with drinking water with a volume of 5 times the mass of Moringa seed extract, and remove dichloromethane under reduced pressure to obtain modified Moringa seed extract. The reaction equation is as follows:

[0055] .

[0056] 2. Preparation of modified whitening ingredients: Add salicylic acid to a reaction bottle, add toluene with a volume 10 times the mass of salicylic acid and magnesium oxide with a mass 0.9 times the mass of salicylic acid, heat to 120℃ and reflux for 7h, filter, recrystallize the filter cake with anhydrous ethanol with a volume 3 times the mass of salicylic acid, filter, rinse the filter cake with anhydrous ethanol with a volume 1 times the mass of salicylic acid, and dry at 40℃ under vacuum until constant weight. The reaction equation is as follows:

[0057] .

[0058] 3. Add 1 part of modified Moringa seed extract and 1 part of modified whitening ingredient into 60 parts of pure water, heat to 50°C and ultrasonically dissolve, which is recorded as the first system.

[0059] 4. Add 40 parts of glycerol and 1,2-hexanediol, 4.5 parts of hydroxyethyl cellulose and 0.03 parts of sodium dehydroacetate to the first system, and homogenize with a homogenizer for 15 minutes to record it as the second mixed system.

[0060] 5. Add 0.03 parts of triethanolamine and citric acid to the second mixed system and adjust the pH of the system to 6, which is recorded as the third mixed system.

[0061] 6. Add 8 parts of PVM / MA copolymer into the third system and homogenize with a homogenizer for 30 minutes to obtain a facial mask liquid.

[0062] 7. Soak the mask base fabric in the mask liquid for 30 minutes to obtain a whitening and moisturizing mask with Moringa seed extract.

[0063] Example 5

[0064] 1. Preparation of modified Moringa seed extract: Under argon protection, add Moringa seed extract to a reaction bottle, add methanol with a volume of 8 times the mass of Moringa seed extract, stir to dissolve; control the temperature at 20-25°C, add sodium borohydride with a volume of 1.3 times the mass of Moringa seed extract, control the temperature at 25-30°C to react for 4 hours, filter, remove methanol under reduced pressure, add dichloromethane with a volume of 10 times the mass of Moringa seed extract to the residue to dissolve, wash with 1M hydrochloric acid solution with a volume of 5 times the mass of Moringa seed extract, and then wash twice with drinking water with a volume of 5 times the mass of Moringa seed extract, and remove dichloromethane under reduced pressure to obtain modified Moringa seed extract. The reaction equation is as follows:

[0065] .

[0066] 2. Preparation of modified whitening ingredients: Add salicylic acid to a reaction bottle, add toluene with a volume 10 times the mass of salicylic acid and magnesium oxide with a mass 0.9 times the mass of salicylic acid, heat to 120℃ and reflux for 7h, filter, recrystallize the filter cake with anhydrous ethanol with a volume 3 times the mass of salicylic acid, filter, rinse the filter cake with anhydrous ethanol with a volume 1 times the mass of salicylic acid, and dry at 40℃ under vacuum until constant weight. The reaction equation is as follows:

[0067] .

[0068] 3. Add 5 parts of modified Moringa seed extract and 5 parts of modified whitening ingredients into 40 parts of pure water, heat to 50°C and ultrasonically dissolve, which is recorded as the first system.

[0069] 4. Add 25 parts of glyceryl acrylate / acrylic acid copolymer and 1,2-hexanediol, 1.5 parts of castor oil / IPDI copolymer, and 0.01 parts of phenoxyethanol to the first system, and homogenize with a homogenizer for 10 minutes to record as the second mixed system.

[0070] 5. Add 0.01 parts of disodium hydrogen phosphate and citric acid to the second mixed system and adjust the pH of the system to 7, which is recorded as the third mixed system.

[0071] 6. Add 3 parts of xanthan gum into the third system and homogenize with a homogenizer for 20 minutes to obtain a facial mask liquid.

[0072] 7. Soak the mask base fabric in the mask liquid for 20 minutes to obtain a whitening and moisturizing mask with Moringa seed extract.

[0073] Comparative Example 1

[0074] 1. Preparation of modified whitening ingredients: Add salicylic acid to a reaction bottle, add toluene with a volume 10 times the mass of salicylic acid and magnesium oxide with a mass 0.9 times the mass of salicylic acid, heat to 120°C for reflux reaction for 7 hours, filter, recrystallize the filter cake with anhydrous ethanol with a volume 3 times the mass of salicylic acid, filter, rinse the filter cake with anhydrous ethanol with a volume 1 times the mass of salicylic acid, and dry at 40°C in vacuum until constant weight. The reaction equation is as follows:

[0075] .

[0076] 2. Add 5 parts of modified whitening ingredients into 60 parts of pure water, heat to 50°C and dissolve by ultrasonic, which is recorded as the first system.

[0077] 3. Add 35 parts of glycerin, glyceryl acrylate / acrylic acid copolymer, 3 parts of hydroxyethyl cellulose, and 0.03 parts of sodium dehydroacetate into the first system, and homogenize with a homogenizer for 15 minutes to record as the second mixed system.

[0078] Fourth, 0.03 parts of triethanolamine and citric acid were added to the second mixed system, and the pH of the system was adjusted to 7, which was recorded as the third mixed system.

[0079] 5. Add 8 parts of xanthan gum into the third system and homogenize with a homogenizer for 30 minutes to obtain a facial mask liquid.

[0080] 6. Soak the mask base fabric in the mask liquid for 30 minutes to get a whitening and moisturizing mask.

[0081] Comparative Example 2

[0082] 1. Preparation of modified Moringa seed extract: Under argon protection, add Moringa seed extract to a reaction bottle, add methanol with a volume of 8 times the mass of Moringa seed extract, stir to dissolve; control the temperature at 20-25°C, add sodium borohydride with a volume of 1.3 times the mass of Moringa seed extract, control the temperature at 25-30°C to react for 4 hours, filter, remove methanol under reduced pressure, add dichloromethane with a volume of 10 times the mass of Moringa seed extract to the residue to dissolve, wash with 1M hydrochloric acid solution with a volume of 5 times the mass of Moringa seed extract, and then wash twice with drinking water with a volume of 5 times the mass of Moringa seed extract, and remove dichloromethane under reduced pressure to obtain modified Moringa seed extract. The reaction equation is as follows:

[0083] .

[0084] 2. Add 5 parts of modified Moringa seed extract to 60 parts of pure water, heat to 45-50°C and ultrasonically dissolve, which is recorded as the first system.

[0085] 3. Add 35 parts of 1,2-hexanediol and urea, 3 parts of castor oil / IPDI copolymer, and 0.03 parts of chlorophenyl glycol to the first system, and homogenize with a homogenizer for 15 minutes to record it as the second mixed system.

[0086] Fourth, 0.03 parts of disodium hydrogen phosphate and citric acid were added to the second mixed system to adjust the pH of the system to 7, which was recorded as the third mixed system.

[0087] 5. Add 8 parts of PVM / MA copolymer into the third system and homogenize with a homogenizer for 30 minutes to obtain a facial mask liquid.

[0088] 6. Soak the mask base fabric in the mask liquid for 30 minutes to get a whitening and moisturizing mask.

[0089] Comparative Example 3

[0090] 1. Add 5 parts of Moringa seed extract and 5 parts of salicylic acid into 60 parts of pure water, heat to 45-50°C and ultrasonically dissolve, which is recorded as the first system.

[0091] 2. Add 3 parts of carboxymethyl cellulose and 0.03 parts of phenoxyethanol into the first system and homogenize with a homogenizer for 15 minutes to obtain the second mixed system.

[0092] 3. Add 0.03 parts of disodium hydrogen phosphate and citric acid to the second mixed system and adjust the pH of the system to 7, which is recorded as the third mixed system.

[0093] Fourth, add 8 parts of gellan gum into the third system and homogenize with a homogenizer for 30 minutes to obtain a facial mask liquid.

[0094] 5. Soak the mask base fabric in the mask liquid for 30 minutes to get a whitening and moisturizing mask.

[0095] Test method:

[0096] 160 female volunteers were randomly divided into 8 groups, 20 in each group. The 160 female volunteers were instructed to use the mask once a day at night. Before using the mask, use the same brand of facial cleanser to clean the face. After massaging the facial cleanser on the face for 2 minutes, rinse it with clean water; use a towel to dry the facial water stains, apply the mask on the face for 15 minutes, remove the mask and pat the face for 2 minutes before washing the face. Use it for 2 months, check and collect the volunteers' reactions once a week, and record the results in detail. The evaluation indicators include mildness (the higher the mildness, the lower the irritation to the face), comfort, moisture, and whitening effect. The highest score is 10 points and the lowest score is 1 point. The average evaluation score of 20 volunteers in each group is taken.

[0097] Test results:

[0098] The specific test results are recorded in the following table:

[0099]

[0100] By comparing the experimental data, it can be seen that the mildness, comfort, moisture and whitening effect of the embodiment show good performance. It shows that the whitening and moisturizing facial mask with Moringa seed extract of the present invention has little irritation after use and has good moisturizing and whitening effects.

[0101] Of course, the above description is not a limitation of the present invention. The above description is only a preferred example of the invention. Any changes, modifications, additions or substitutions made according to the content of the present invention are covered by the patent scope of the present invention.

Claims

1. A whitening and moisturizing facial mask with Moringa seed extract, comprising a facial mask base and a facial mask liquid, wherein the facial mask liquid comprises the following components by weight: 40 to 60 parts of purified water, 25 to 40 parts of a moisture loss inhibitor, 3 to 8 parts of a thickener, 1.5 to 4.5 parts of an adhesive, 0.01 to 0.03 parts of an antibacterial component, and 0.01 to 0.03 parts of a pH adjuster, characterized in that: It also includes 1 to 5 parts of homemade modified Moringa seed extract and 1 to 5 parts of homemade modified whitening ingredients by weight; The preparation method of the homemade modified moringa seed extract is as follows: under argon protection, the moringa seed extract is added to a reaction bottle, and methanol with a volume of 8 times the mass of the moringa seed extract is added, and the mixture is stirred to dissolve; the temperature is controlled at 20-25°C, and sodium borohydride with a volume of 1.3 times the mass of the moringa seed extract is added, and the temperature is controlled at 25-30°C for 4 hours after the addition, and the mixture is filtered, and the methanol is evaporated under reduced pressure, and the residue is dissolved in dichloromethane with a volume of 10 times the mass of the moringa seed extract, and the mixture is washed with a 1M hydrochloric acid solution with a volume of 5 times the mass of the moringa seed extract, and then washed twice with drinking water with a volume of 5 times the mass of the moringa seed extract, and dichloromethane is evaporated under reduced pressure to obtain the modified moringa seed extract; the reaction equation is as follows: ； The preparation method of the homemade modified whitening ingredient is as follows: add salicylic acid to a reaction bottle, add toluene with a volume 10 times the mass of salicylic acid and magnesium oxide with a mass 0.9 times the mass of salicylic acid, heat to 120°C for reflux reaction for 7 hours, filter, recrystallize the filter cake with anhydrous ethanol with a volume 3 times the mass of salicylic acid, filter, rinse the filter cake with anhydrous ethanol with a volume 1 times the mass of salicylic acid, and dry at 40°C in vacuum to constant weight. The reaction equation is as follows: 。 2. The whitening and moisturizing facial mask with Moringa seed extract according to claim 1, characterized in that: The water loss inhibitor includes one of glycerol, glycerol acrylate / acrylic acid copolymer, 1,2-hexanediol and urea.

3. The whitening and moisturizing facial mask with Moringa seed extract according to claim 1, characterized in that: The thickener includes one of xanthan gum, gellan gum and PVM / MA copolymer.

4. The whitening and moisturizing facial mask with Moringa seed extract according to claim 1, characterized in that: The adhesive comprises one of castor oil / IPDI copolymer, hydroxyethyl cellulose and carboxymethyl cellulose.

5. The whitening and moisturizing facial mask with Moringa seed extract according to claim 1, characterized in that: The antibacterial component includes one of phenoxyethanol, chlorophenglycol and sodium dehydroacetate.

6. The whitening and moisturizing facial mask with Moringa seed extract according to claim 1, characterized in that: The pH regulator includes one of disodium hydrogen phosphate, triethanolamine and citric acid.

7. A method for preparing a whitening and moisturizing facial mask containing Moringa seed extract according to any one of claims 1 to 6, characterized in that: The following steps are involved: S1, adding the modified Moringa seed extract and the modified whitening ingredient into pure water, heating to 45-50°C and ultrasonically dissolving, which is recorded as the first system; S2, adding the formulated amount of water loss inhibitor, adhesive, and antibacterial component to the first system, and homogenizing with a homogenizer for 10 to 15 minutes as the second mixed system; S3, adding a formulated amount of pH adjuster to the second mixed system to adjust the pH of the system to 6-7, which is recorded as the third mixed system; S4, adding the formula amount of thickener into the third system, and homogenizing with a homogenizer for 20 to 30 minutes to obtain a facial mask liquid; S5, immersing the mask base fabric in the mask liquid for 20 to 30 minutes to obtain the whitening and moisturizing mask.

Images