CN111450021A - Sunscreen spray containing tryptophan and preparation method thereof - Google Patents

Sunscreen spray containing tryptophan and preparation method thereof Download PDF

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Publication number
CN111450021A
CN111450021A CN202010334092.2A CN202010334092A CN111450021A CN 111450021 A CN111450021 A CN 111450021A CN 202010334092 A CN202010334092 A CN 202010334092A CN 111450021 A CN111450021 A CN 111450021A
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parts
tryptophan
sunscreen
cortex moutan
sunscreen spray
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CN202010334092.2A
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严超
马秀侠
乔丽君
刘�文
王思蒙
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Anhui Kiwi Biotech Co ltd
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Anhui Kiwi Biotech Co ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/96Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
    • A61K8/9783Angiosperms [Magnoliophyta]
    • A61K8/9794Liliopsida [monocotyledons]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/02Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/04Dispersions; Emulsions
    • A61K8/046Aerosols; Foams
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/34Alcohols
    • A61K8/345Alcohols containing more than one hydroxy group
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/33Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
    • A61K8/35Ketones, e.g. benzophenone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/49Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds
    • A61K8/4906Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom
    • A61K8/4913Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having five membered rings, e.g. pyrrolidone carboxylic acid
    • A61K8/492Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing heterocyclic compounds with one nitrogen as the only hetero atom having five membered rings, e.g. pyrrolidone carboxylic acid having condensed rings, e.g. indol
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/96Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
    • A61K8/97Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution from algae, fungi, lichens or plants; from derivatives thereof
    • A61K8/9783Angiosperms [Magnoliophyta]
    • A61K8/9789Magnoliopsida [dicotyledons]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q17/00Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
    • A61Q17/04Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00Preparations for care of the skin
    • A61Q19/02Preparations for care of the skin for chemically bleaching or whitening the skin

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  • Life Sciences & Earth Sciences (AREA)
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  • Public Health (AREA)
  • Birds (AREA)
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  • Dermatology (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Botany (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Emergency Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Cosmetics (AREA)
  • Medicinal Preparation (AREA)

Abstract

The invention belongs to the field of cosmetics, and particularly relates to a sunscreen spray containing tryptophan, which comprises, by weight, 3-10 parts of tryptophan, 1-5 parts of benzophenone-4, 1-5 parts of a coix seed extracting solution, 1-5 parts of a cortex moutan extracting solution, 10-20 parts of glycerol, 20-25 parts of ethanol, 2-5 parts of 1, 3-propanediol, 3-10 parts of menthol, 1-5 parts of a solubilizer, 0-5 parts of a pH regulator, 0.3-0.5 part of a preservative and 20-55 parts of deionized water. The invention has the beneficial effects that: the sunscreen spray disclosed by the invention integrates sunscreen, moisturizing and skin care, and cosmetics such as a moisturizing agent and the like are not required to be applied before going out like the existing sunscreen agent.

Description

Sunscreen spray containing tryptophan and preparation method thereof
Technical Field
The invention belongs to the field of cosmetics, and particularly relates to a sunscreen spray containing tryptophan and a preparation method thereof.
Background
The sunlight damage to human skin mainly comes from ultraviolet A (UVA) and ultraviolet B (UVB), wherein UVA acts on the deep layer of the skin and is slow in action but can cause one-time blackening, and UVB acts on the surface layer of the skin to excite skin keratinocytes, relax blood vessels, increase blood flow and make the skin reddish to brown. UVA and UVB cause sunburn, peeling, tanning, etc. to the skin, which in turn causes premature aging of the skin, irreparable damage to the skin, and may also cause skin cancer if chronically affected by UVA and UVB.
Current sunscreen measures against ultraviolet rays mainly include physical sunscreen, which means the use of a substance capable of reflecting sunlight (TiO), and chemical sunscreen2ZnO) forms a protective film on the surface of skin to reflect ultraviolet rays out, thereby achieving the sun-screening effect, and chemical sun-screening means that chemical substances in the sun-screening product, such as phthalate, convert ultraviolet rays which damage the skin into harmless heat energy and the like to be released. The chemical sun-screening agent can enter skin tissues, has certain irritation to the skin, and can cause damage to the skin when being improperly used.
In some high-temperature areas throughout the year, the existing sunscreen spray only has a single sunscreen function, and can lose the function quickly along with the evaporation effect of high temperature, and the sunscreen spray needs to be coated with cosmetics such as a humectant before going out, and is inconvenient to use.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a sunscreen spray containing tryptophan, which has the characteristics of moisture retention, whitening, inflammation diminishing, repair, refreshing and consciousness restoring and is convenient to use on the basis of having a sunscreen effect.
The invention provides the following technical scheme:
a sunscreen spray containing tryptophan comprises, by weight, 3-10 parts of tryptophan, 1-5 parts of benzophenone-4, 1-5 parts of coix seed extract, 1-5 parts of cortex moutan extract, 10-20 parts of glycerol, 20-25 parts of ethanol, 2-5 parts of 1, 3-propylene glycol, 3-10 parts of menthol, 1-5 parts of solubilizer, 0-5 parts of pH regulator, 0.3-0.5 part of preservative and 20-55 parts of deionized water.
Preferably, the tryptophan is food grade tryptophan with a chiral structure which is all levorotatory.
Preferably, the preparation method of the coix seed extracting solution comprises the following steps: firstly, crushing the clean and dried coix seeds into small particles with the particle size smaller than 100 meshes, then mixing the small particles of the coix seeds with 1, 3-propylene glycol according to the mass ratio of 1:3, extracting for 1h at the temperature of 75-80 ℃, and filtering to obtain filtrate, namely the coix seed extracting solution.
Preferably, the preparation method of the cortex moutan extract comprises the following steps: firstly, crushing dried and clean cortex moutan into small particles with the particle size smaller than 100 meshes, then mixing the small particles of the cortex moutan with ethanol according to the mass ratio of 1:3, extracting for 1h at the temperature of 50-60 ℃, and filtering to obtain filtrate, namely cortex moutan extracting solution.
Preferably, the solubilizer is selected from any one or more aqueous solutions of sodium hydroxide, potassium hydroxide and triethanolamine.
Preferably, the pH regulator is selected from any one or two solutions of vitamin C and citric acid.
Preferably, the preservative is selected from any one or two of nipagin ester and phenoxyethanol.
The invention also provides a preparation method of the sunscreen spray, which comprises the following steps:
a. weighing tryptophan, deionized water, glycerol, ethanol, 1, 3-propylene glycol and menthol according to a certain proportion, uniformly mixing, slowly adding a solubilizer, and stirring until the tryptophan is completely dissolved;
b. sequentially adding the coix seed extract, the cortex moutan extract, benzophenone-4 and the preservative according to the proportion, and uniformly mixing;
c. adjusting pH to 6.0-8.0 with pH regulator according to the pH of the mixed solution
The invention has the beneficial effects that:
1. the sunscreen spray disclosed by the invention integrates sunscreen, moisturizing and skin care, and cosmetics such as a moisturizing agent and the like are not required to be applied before going out like the existing sunscreen agent.
2. The tryptophan of the invention has the following characteristics: the selected tryptophan is food grade, is an amino acid in a human body, can be metabolized by the human body, is harmless to users, has a chiral structure in molecules, has a strong absorption peak at 280nm, can convert ultraviolet rays into heat energy which is harmless to the skin and releases the heat energy, and the benzophenone-4 has the following characteristics: benzophenone-4 has water solubility, can well disperse in a re-water phase, is a broad-spectrum ultraviolet absorbent, has the advantages of high absorption efficiency, no toxicity, no teratogenic side effect, good light and heat stability and the like, and the coix seed extracting solution has the following characteristics: the coix seed extract can inhibit the generation of skin neutralizing pigment, has the effect of whitening skin, can remove aged cutin on the epidermal layer, improves rough skin phenomenon, avoids acne, and can moisten skin in dry environment, and the cortex moutan extract has the following characteristics: paeonol in cortex moutan extractive solution can inhibit the generation of intracellular oxygen free radical, whiten skin, reduce and discolor pigment deposited in skin, remove blood stasis and speckle, relieve inflammation, relieve swelling and pain, and relieve allergy. The added glycerin enables the product to have excellent moisturizing and hydrating effects; make the sun-proof spraying of this application have sun-proof, moisturize, skin care, skin makeup an organic whole, still have the effect of refreshing oneself and restoring consciousness concurrently to and convenient to use's characteristics, need not like current sun-proof cream, need go out to still need to paint cosmetics such as humectant to go.
Since tryptophan is slightly soluble in water, an alkaline solubilizer is required to increase the solubility; tryptophan and benzophenone-4 have strong ultraviolet absorption capacity and can play a role of a chemical sun-screening agent; the coix seed extract and the cortex moutan extract not only have strong absorption capacity on ultraviolet rays, but also have the effects of whitening skin, removing aged cutin and the like, and the 2 extracts are natural components, so that no report that the coix seed extract and the cortex moutan extract have obvious damage to human bodies is found in the existing report; the sunscreen lotion has synergistic effects of chemical sunscreen, physical sunscreen, whitening and skin care, and has better sunscreen effect.
Detailed Description
The present invention will be described in detail with reference to the following examples.
Example 1
A sunscreen agent containing tryptophan and tyrosine comprises, by weight, 4 parts of tryptophan, 1 part of benzophenone-4, 1 part of coix seed extract, 1 part of cortex moutan extract, 10 parts of glycerol, 20 parts of absolute ethyl alcohol, 3 parts of 1, 3-propylene glycol, 5 parts of menthol, 2 parts of a solubilizer, 1 part of a pH regulator, 0.5 part of a preservative and 51.5 parts of deionized water.
The solubilizer is one or more of sodium hydroxide solution, potassium hydroxide solution and triethanolamine of 1 mol/L, and the pH regulator is one or two of vitamin C and citric acid.
Example 2
A sunscreen agent containing tryptophan and tyrosine comprises, by weight, 5 parts of tryptophan, 2 parts of benzophenone-4, 2 parts of coix seed extract, 2 parts of cortex moutan extract, 10 parts of glycerol, 20 parts of absolute ethyl alcohol, 3 parts of 1, 3-propylene glycol, 5 parts of menthol, 2.5 parts of solubilizer, 1 part of pH regulator, 0.5 part of preservative and 47 parts of deionized water.
The solubilizer is one or more of sodium hydroxide solution, potassium hydroxide solution and triethanolamine of 1 mol/L, and the pH regulator is one or two of vitamin C and citric acid of 0.1 mol/L.
Example 3
A sunscreen agent containing tryptophan and tyrosine comprises, by weight, 6 parts of tryptophan, 3 parts of benzophenone-4, 3 parts of coix seed extract, 3 parts of cortex moutan extract, 10 parts of glycerol, 20 parts of absolute ethyl alcohol, 3 parts of 1, 3-propylene glycol, 5 parts of menthol, 3 parts of solubilizer, 2 parts of pH regulator, 0.5 part of preservative and 41.5 parts of deionized water.
The solubilizer is one or more of sodium hydroxide solution, potassium hydroxide solution and triethanolamine of 1 mol/L, and the pH regulator is one or two of vitamin C and citric acid of 0.1 mol/L.
Example 4
A sunscreen agent containing tryptophan and tyrosine comprises, by weight, 7 parts of tryptophan, 4 parts of benzophenone-4, 4 parts of coix seed extract, 4 parts of cortex moutan extract, 10 parts of glycerol, 20 parts of absolute ethyl alcohol, 3 parts of 1, 3-propylene glycol, 5 parts of menthol, 3.5 parts of a solubilizer, 2 parts of a pH regulator, 0.5 part of a preservative and 37 parts of deionized water.
The solubilizer is one or more of sodium hydroxide solution, potassium hydroxide solution and triethanolamine of 1 mol/L, and the pH regulator is one or two of vitamin C and citric acid of 0.1 mol/L.
Example 5
A sunscreen agent containing tryptophan and tyrosine comprises, by weight, 8 parts of tryptophan, 5 parts of benzophenone-4, 5 parts of coix seed extract, 5 parts of cortex moutan extract, 10 parts of glycerol, 20 parts of absolute ethyl alcohol, 3 parts of 1, 3-propylene glycol, 5 parts of menthol, 4 parts of a solubilizer, 3 parts of a pH regulator, 0.5 part of a preservative and 31.5 parts of deionized water.
The solubilizer is one or more of sodium hydroxide solution, potassium hydroxide solution and triethanolamine of 1 mol/L, and the pH regulator is one or two of vitamin C and citric acid of 0.1 mol/L.
Example 6
A sunscreen agent containing tryptophan and tyrosine comprises, by weight, 8 parts of tryptophan, 5 parts of benzophenone-4, 5 parts of coix seed extract, 5 parts of cortex moutan extract, 12 parts of glycerol, 20 parts of absolute ethyl alcohol, 3 parts of 1, 3-propylene glycol, 5 parts of menthol, 4 parts of a solubilizer, 3 parts of a pH regulator, 0.5 part of a preservative and 29.5 parts of deionized water.
The solubilizer is one or more of sodium hydroxide solution, potassium hydroxide solution and triethanolamine of 1 mol/L, and the pH regulator is one or two of vitamin C and citric acid of 0.1 mol/L.
Example 7
A sunscreen agent containing tryptophan and tyrosine comprises, by weight, 8 parts of tryptophan, 5 parts of benzophenone-4, 5 parts of coix seed extract, 5 parts of cortex moutan extract, 14 parts of glycerol, 20 parts of absolute ethyl alcohol, 3 parts of 1, 3-propylene glycol, 5 parts of menthol, 4 parts of a solubilizer, 3 parts of a pH regulator, 0.5 part of a preservative and 27.5 parts of deionized water.
The solubilizer is one or more of sodium hydroxide solution, potassium hydroxide solution and triethanolamine of 1 mol/L, and the pH regulator is one or two of vitamin C and citric acid of 0.1 mol/L.
Example 8
A sunscreen agent containing tryptophan and tyrosine comprises, by weight, 8 parts of tryptophan, 5 parts of benzophenone-4, 5 parts of coix seed extract, 5 parts of cortex moutan extract, 16 parts of glycerol, 20 parts of absolute ethyl alcohol, 3 parts of 1, 3-propylene glycol, 5 parts of menthol, 4 parts of a solubilizer, 3 parts of a pH regulator, 0.5 part of a preservative and 25.5 parts of deionized water.
The solubilizer is one or more of sodium hydroxide solution, potassium hydroxide solution and triethanolamine of 1 mol/L, and the pH regulator is one or two of vitamin C and citric acid of 0.1 mol/L.
Example 9
A sunscreen agent containing tryptophan and tyrosine comprises, by weight, 8 parts of tryptophan, 5 parts of benzophenone-4, 5 parts of coix seed extract, 5 parts of cortex moutan extract, 18 parts of glycerol, 20 parts of absolute ethyl alcohol, 3 parts of 1, 3-propylene glycol, 5 parts of menthol, 4 parts of a solubilizer, 3 parts of a pH regulator, 0.5 part of a preservative and 23.5 parts of deionized water.
The solubilizer is one or more of sodium hydroxide solution, potassium hydroxide solution and triethanolamine of 1 mol/L, and the pH regulator is one or two of vitamin C and citric acid of 0.1 mol/L.
Firstly, performance detection:
the products of examples 1 to 9 were placed in quartz cuvettes of 1cm × 1 and 1cm × 5cm, respectively, and the ultraviolet light transmittance was calculated by simulating the sunlight with a mercury lamp and measuring the ultraviolet light of 280nm to 400nm with an ultraviolet spectrophotometer, and is shown in Table 1.
TABLE 1
Item UVA transmittance/%) UVB transmittance/%)
Example 1 14.3 4.2
Example 2 13.6 4.0
Example 3 13.1 3.7
Example 4 12.7 3.3
Example 5 12.3 3.0
Example 6 12.1 2.9
Example 7 12.2 3.0
Example 8 12.1 3.0
Example 9 12.0 2.9
In order to verify the skin feeling and the atomization effect of each group of sunscreen spray, 90 volunteers with oily or mixed skin are selected, the volunteers are aged 18-40 years and divided into 9 groups, 10 people in each group are respectively tried, the sunscreen spray described in the embodiments 1-9 is respectively sprayed once in the morning, at noon and at night, after the sunscreen spray is continuously used for one month, the skin feeling and the atomization effect are sequentially graded from good to poor into 10 grades, 9 grades, 8 grades, 7 grades, 6 grades, 5 grades, 4 grades, 3 grades, 2 grades, 1 grade and 0 grade, the average value is counted and tested, a skin tester (Corneometer, C + K, Germany) is used for testing the moisture content of the skin of the volunteers, and the test results are shown in Table 2.
TABLE 2
Figure BDA0002465974410000061
As can be seen from the data in Table 2, the sunscreen sprays prepared according to the methods of examples 1 to 9 have good moisturizing and hydrating effects after being applied for one month, which indicates that the sunscreen agents prepared according to the methods of examples 1 to 9 have good improving effects on the elasticity and texture of human skin, and can resist wrinkles, moisturize and moisturize water.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A sunscreen spray containing tryptophan is characterized by comprising, by weight, 3-10 parts of tryptophan, 1-5 parts of benzophenone-4, 1-5 parts of coix seed extract, 1-5 parts of cortex moutan extract, 10-20 parts of glycerol, 20-25 parts of ethanol, 2-5 parts of 1, 3-propanediol, 3-10 parts of menthol, 1-5 parts of solubilizer, 0-5 parts of pH regulator, 0.3-0.5 part of preservative and 20-55 parts of deionized water.
2. The sunscreen spray containing tryptophan as claimed in claim 1, wherein the tryptophan is food grade tryptophan with all-levorotatory chiral structure.
3. The tryptophan-containing sunscreen spray as claimed in claim 1, wherein the extract of Job's tears is prepared by: firstly, crushing the clean and dried coix seeds into small particles with the particle size smaller than 100 meshes, then mixing the small particles of the coix seeds with 1, 3-propylene glycol according to the mass ratio of 1:3, extracting for 1h at the temperature of 75-80 ℃, and filtering to obtain filtrate, namely the coix seed extracting solution.
4. The sunscreen spray containing tryptophan according to claim 1, wherein the cortex moutan extract is prepared by the following steps: firstly, crushing dried and clean cortex moutan into small particles with the particle size smaller than 100 meshes, then mixing the small particles of the cortex moutan with ethanol according to the mass ratio of 1:3, extracting for 1h at the temperature of 50-60 ℃, and filtering to obtain filtrate, namely cortex moutan extracting solution.
5. The sunscreen spray containing tryptophan as claimed in claim 1, wherein the solubilizer is selected from one or more aqueous solutions of sodium hydroxide, potassium hydroxide and triethanolamine.
6. The tryptophan-containing sunscreen spray according to claim 1, wherein the pH regulator is selected from any one or two of vitamin C and citric acid.
7. The tryptophan-containing sunscreen spray according to claim 1, wherein the preservative is selected from any one or two of parabens and phenoxyethanol.
8. A method of preparing a sunscreen spray as claimed in claim 1 comprising the steps of:
a. weighing tryptophan, deionized water, glycerol, ethanol, 1, 3-propylene glycol and menthol according to a certain proportion, uniformly mixing, slowly adding a solubilizer, and stirring until the tryptophan is completely dissolved;
b. sequentially adding the coix seed extract, the cortex moutan extract, benzophenone-4 and the preservative according to the proportion, and uniformly mixing;
c. adjusting pH value to 6.0-8.0 with pH regulator according to the pH value of the mixed solution.
CN202010334092.2A 2020-04-24 2020-04-24 Sunscreen spray containing tryptophan and preparation method thereof Pending CN111450021A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113041167A (en) * 2021-03-23 2021-06-29 上海创元化妆品有限公司 Novel use method of sun-proof system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109248127A (en) * 2018-10-26 2019-01-22 蔡少青 A kind of anti-inflammatory anti-itch sun water

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109248127A (en) * 2018-10-26 2019-01-22 蔡少青 A kind of anti-inflammatory anti-itch sun water

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* Cited by examiner, † Cited by third party
Title
国家药典委员会 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113041167A (en) * 2021-03-23 2021-06-29 上海创元化妆品有限公司 Novel use method of sun-proof system
CN113041167B (en) * 2021-03-23 2023-12-12 上海创元化妆品有限公司 Use method of sun protection system

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Application publication date: 20200728

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