CN112516015A - Natural plant-based sunscreen cream and preparation method thereof - Google Patents
Natural plant-based sunscreen cream and preparation method thereof Download PDFInfo
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- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
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- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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Abstract
The invention discloses a natural plant-based sunscreen cream and a preparation method thereof, belonging to the technical field of daily chemicals. The product developed by the invention comprises 1 and the following raw materials in parts by weight: 20-30 parts of oil phase, 60-80 parts of water phase and 3-10 parts of active component phase; wherein the oil phase comprises the following raw materials in parts by weight: 10-15 parts of stearic acid, 10-15 parts of glycerol, 2-5 parts of lanolin, 2-5 parts of octadecanol and 2-5 parts of cetyl alcohol; the water phase comprises the following raw materials in parts by weight: 1-3 parts of triethanolamine, 0.1-0.3 part of alkali metal hydroxide, 1-3 parts of carbomer and 80-100 parts of water; the active component phase comprises the following raw materials in parts by weight: 0.1-0.3 part of methyl paraben, 0.1-0.3 part of essence, 0.1-0.3 part of sodium hyaluronate and 3-5 parts of seaweed extract. The product obtained by the invention has excellent storage stability and good sun-screening and moisturizing effects.
Description
Technical Field
The invention relates to the technical field of daily chemicals, in particular to a natural plant-based sunscreen cream and a preparation method thereof.
Background
Besides visible light, about 1% of ultraviolet rays with the wavelength of 290-400nm in the sunlight can be irradiated to the earth surface, which is a main ray possibly damaging the skin in the sunlight, wherein electromagnetic waves with the wavelength of 290-320 nm belong to medium-wave ultraviolet rays (UVB), and electromagnetic waves with the wavelength of 320-400 nm belong to long-wave ultraviolet rays (UVA). UVB ultraviolet rays have a erythematous effect on human skin, and can reach the dermis layer to sunburn the skin, resulting in desquamation, erythema, suntan and the like. UVA ultraviolet rays, called "age ultraviolet rays", are the most important cause of premature aging of human skin, and penetrate the dermis, causing damage to lipids and collagen, resulting in skin aging and even skin cancerization.
The loss of ozone in the atmosphere also makes people pay more attention to the damage of ultraviolet rays to the skin, and sun-protection products such as sun-protection cream and the like can play a role in sun protection, and mainly have some components capable of blocking or absorbing ultraviolet rays, and when the ultraviolet rays irradiate on the skin, the components can scatter or absorb the ultraviolet rays. Inorganic salts such as titanium dioxide and talc are ultraviolet scattering agents, and salicylic acid esters and benzenes are ultraviolet absorbers. In addition, in the common sunscreen product, besides the ultraviolet scattering agent such as inorganic salt, other auxiliary agents such as stearic acid, lanolin, glycerin, water and the like are required to be added, and due to different polarities of the auxiliary agents, an emulsifier is often required to be added in order to ensure that the product does not undergo phase separation in the long-term storage process.
Therefore, how to effectively avoid phase separation of sunscreen cream products during storage and improve the storage stability of the products is one of the technical problems to be solved urgently by the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a natural plant-based sunscreen cream and a preparation method thereof, and aims to overcome the defect that the storage stability of a sunscreen cream product is reduced due to the fact that the sunscreen cream product in the prior art is easy to phase separate in the storage process.
In order to achieve the purpose, the invention provides the following technical scheme:
a natural plant-based sunscreen cream comprises the following raw materials in parts by weight:
20-30 parts of oil phase, 60-80 parts of water phase and 3-10 parts of active component phase;
wherein the oil phase comprises the following raw materials in parts by weight: 10-15 parts of stearic acid, 10-15 parts of glycerol, 2-5 parts of lanolin, 2-5 parts of octadecanol and 2-5 parts of cetyl alcohol;
the water phase comprises the following raw materials in parts by weight: 1-3 parts of triethanolamine, 0.1-0.3 part of alkali metal hydroxide, 1-3 parts of carbomer and 80-100 parts of water;
the active component phase comprises the following raw materials in parts by weight: 0.1-0.3 part of methyl paraben, 0.1-0.3 part of essence, 0.1-0.3 part of sodium hyaluronate and 3-5 parts of seaweed extract.
A preparation method of natural plant-based sunscreen cream comprises the following specific preparation steps:
preparation of seaweed extract:
soaking seaweed in water for 10-24h, cleaning, removing impurities, performing freeze pressing, and drying to obtain seaweed powder; mixing seaweed meal and water according to a mass ratio of 1: 10-1: 20 mixing, performing heat preservation water extraction at 35-50 deg.C, filtering, collecting filtrate, removing pigment from filtrate, and freeze drying to obtain Sargassum extract;
preparing oil phase components:
taking 10-15 parts of stearic acid, 10-15 parts of glycerol, 2-5 parts of lanolin, 2-5 parts of octadecanol and 2-5 parts of cetyl alcohol in sequence according to parts by weight, mixing, heating, stirring and melting, and keeping the temperature to keep the melted state to obtain an oil phase;
preparation of water phase components:
sequentially taking 1-3 parts of triethanolamine, 0.1-0.3 part of alkali metal hydroxide, 1-3 parts of carbomer and 80-100 parts of water according to parts by weight, mixing, heating, stirring and dissolving to obtain a water phase component;
the preparation of the product natural plant-based sunscreen cream comprises the following steps:
according to the parts by weight, sequentially taking 20-30 parts of oil phase, 60-80 parts of water phase and 3-10 parts of active component phase; adding the oil phase into the water phase, homogenizing at 60-80 deg.C under high pressure, cooling to room temperature, adding the active component phase, stirring, and discharging to obtain product;
the active component phase comprises the following raw materials in parts by weight: 0.1-0.3 part of methyl paraben, 0.1-0.3 part of essence, 0.1-0.3 part of sodium hyaluronate and 3-5 parts of seaweed extract.
Compared with the prior art, the invention has the beneficial effects that:
according to the technical scheme, the components such as carbomer and the like are added into the components of the product, so that the glycoprotein component in the cell membrane on the surface of the skin of a human body can interact with the carboxyl in the structure of the carbomer molecule, so that physical entanglement is formed between the carbomer molecule and the glycoprotein, a large number of hydrogen bonds can be formed between the carbomer molecule and the glycoprotein, a firmly-adhered adhesive network is formed on the surface of the skin, and the moisture on the surface of the skin is effectively locked;
according to the technical scheme, the oil phase component is added into the water phase containing carbomer, the stearic acid component gradually permeates into a sticky network structure formed by carbomer and glycoprotein by utilizing the assistance of glycerin in the oil phase component and occupies the position of part of active groups of a network structure skeleton, so that the vibration strength of covalent bonds in the water phase components such as carbomer and the like is reduced, the compatibility between the water phase component and the oil phase component is promoted, and the phase separation between the water phase and the oil phase in the product storage process is effectively avoided;
according to the technical scheme, the seaweed extract is used as one of the anti-ultraviolet active components, the seaweed extract contains rich mycosporine-like amino acid active components, the natural efficient ultraviolet absorbent is provided, the molecular structure of the natural efficient ultraviolet absorbent contains aminocyclohexenone, the absorption wavelength is 310-360nm, meanwhile, amino groups in the molecular structure of the natural efficient ultraviolet absorbent can form more hydrogen bond combination with carboxyl groups in a carbomer molecular structure, the oil phase component is further locked in a hydrogen bond network, and the storage stability of the product is further improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A natural plant-based sunscreen cream comprises the following raw materials in parts by weight:
20-30 parts of oil phase, 60-80 parts of water phase and 3-10 parts of active component phase;
wherein the oil phase comprises the following raw materials in parts by weight: 10-15 parts of stearic acid, 10-15 parts of glycerol, 2-5 parts of lanolin, 2-5 parts of octadecanol and 2-5 parts of cetyl alcohol;
the water phase comprises the following raw materials in parts by weight: 1-3 parts of triethanolamine, 0.1-0.3 part of alkali metal hydroxide, 1-3 parts of carbomer and 80-100 parts of water;
the active component phase comprises the following raw materials in parts by weight: 0.1-0.3 part of methyl paraben, 0.1-0.3 part of essence, 0.1-0.3 part of sodium hyaluronate and 3-5 parts of seaweed extract.
Further, the seaweed is any one of kelp, laver, undaria pinnatifida, agar or brown algae.
Further, the alkali metal hydroxide is any one of potassium hydroxide and sodium hydroxide.
Further, the carbomer is any one of carbomer 971P, carbomer 974P or carbomer 934P.
A preparation method of natural plant-based sunscreen cream comprises the following specific preparation steps:
preparation of seaweed extract:
soaking seaweed in water for 10-24h, cleaning, removing impurities, performing freeze pressing, and drying to obtain seaweed powder; mixing seaweed meal and water according to a mass ratio of 1: 10-1: 20 mixing, performing heat preservation water extraction at 35-50 deg.C, filtering, collecting filtrate, removing pigment from filtrate, and freeze drying to obtain Sargassum extract;
preparing oil phase components:
taking 10-15 parts of stearic acid, 10-15 parts of glycerol, 2-5 parts of lanolin, 2-5 parts of octadecanol and 2-5 parts of cetyl alcohol in sequence according to parts by weight, mixing, heating, stirring and melting, and keeping the temperature to keep the melted state to obtain an oil phase;
preparation of water phase components:
sequentially taking 1-3 parts of triethanolamine, 0.1-0.3 part of alkali metal hydroxide, 1-3 parts of carbomer and 80-100 parts of water according to parts by weight, mixing, heating, stirring and dissolving to obtain a water phase component;
the preparation of the product natural plant-based sunscreen cream comprises the following steps:
according to the parts by weight, sequentially taking 20-30 parts of oil phase, 60-80 parts of water phase and 3-10 parts of active component phase; adding the oil phase into the water phase, homogenizing at 60-80 deg.C under high pressure, cooling to room temperature, adding the active component phase, stirring, and discharging to obtain product;
the active component phase comprises the following raw materials in parts by weight: 0.1-0.3 part of methyl paraben, 0.1-0.3 part of essence, 0.1-0.3 part of sodium hyaluronate and 3-5 parts of seaweed extract.
Further, the seaweed is any one of kelp, laver, undaria pinnatifida, agar or brown algae.
Further, the alkali metal hydroxide is any one of potassium hydroxide and sodium hydroxide.
Further, the carbomer is any one of carbomer 971P, carbomer 974P or carbomer 934P.
Example 1
Preparation of seaweed extract:
soaking seaweed in water for 10h, cleaning, removing impurities, performing freeze pressing at-30 deg.C under 5MPa, and drying to obtain seaweed powder; mixing seaweed meal and water according to a mass ratio of 1: 10, mixing, performing heat preservation and water extraction for 3 hours at the temperature of 35 ℃, filtering, collecting filtrate, removing pigment in the filtrate, and performing freeze drying to obtain the seaweed extract;
preparing oil phase components:
taking 10 parts of stearic acid, 10 parts of glycerol, 2 parts of lanolin, 2 parts of octadecanol and 2 parts of cetyl alcohol in sequence according to parts by weight, mixing, heating, stirring and melting, and keeping the temperature to keep the molten state to obtain an oil phase;
preparation of water phase components:
mixing 1 part of triethanolamine, 0.1 part of alkali metal hydroxide, 1 part of carbomer and 80 parts of water in sequence according to parts by weight, and heating, stirring and dissolving to obtain a water phase component;
the preparation of the product natural plant-based sunscreen cream comprises the following steps:
according to the parts by weight, sequentially taking 20 parts of oil phase, 60 parts of water phase and 3 parts of active component phase; adding the oil phase into the water phase, homogenizing under high pressure at 60 deg.C, cooling to room temperature, adding the active component phase, stirring, and discharging to obtain product;
the active component phase comprises the following raw materials in parts by weight: 0.1 part of methyl paraben, 0.1 part of essence, 0.1 part of sodium hyaluronate and 3 parts of seaweed extract. The seaweed is kelp. The alkaline metal hydroxide is potassium hydroxide. The carbomer is carbomer 971P.
Example 2
Preparation of seaweed extract:
soaking seaweed in water for 24h, cleaning, removing impurities, performing freeze pressing at-45 deg.C under 10MPa, and drying to obtain seaweed powder; mixing seaweed meal and water according to a mass ratio of 1: 20, mixing, performing heat preservation and water extraction for 5 hours at the temperature of 50 ℃, filtering, collecting filtrate, removing pigment in the filtrate, and performing freeze drying to obtain the seaweed extract;
preparing oil phase components:
taking 15 parts of stearic acid, 15 parts of glycerol, 5 parts of lanolin, 5 parts of octadecanol and 5 parts of cetyl alcohol in sequence according to parts by weight, mixing, heating, stirring and melting, and keeping the temperature to keep the molten state to obtain an oil phase;
preparation of water phase components:
mixing 3 parts of triethanolamine, 0.3 part of alkali metal hydroxide, 3 parts of carbomer and 100 parts of water in sequence according to the parts by weight, and heating, stirring and dissolving to obtain a water phase component;
the preparation of the product natural plant-based sunscreen cream comprises the following steps:
according to the parts by weight, sequentially taking 30 parts of oil phase, 80 parts of water phase and 10 parts of active component phase; adding the oil phase into the water phase, homogenizing at 80 deg.C under high pressure, cooling to room temperature, adding the active component phase, stirring, and discharging to obtain product;
the active component phase comprises the following raw materials in parts by weight: 0.3 part of methyl paraben, 0.3 part of essence, 0.3 part of sodium hyaluronate and 5 parts of seaweed extract. The seaweed is laver. The alkaline metal hydroxide is sodium hydroxide. The carbomer is carbomer 974P.
Example 3
Preparation of seaweed extract:
soaking seaweed in water for 14h, cleaning, removing impurities, performing freeze pressing at-35 deg.C under 8MPa, and drying to obtain seaweed powder; mixing seaweed meal and water according to a mass ratio of 1: 15 mixing, performing heat preservation and water extraction for 4h at the temperature of 40 ℃, filtering, collecting filtrate, removing pigment in the filtrate, and freeze-drying to obtain the seaweed extract;
preparing oil phase components:
according to the weight parts, sequentially taking 12 parts of stearic acid, 12 parts of glycerin, 3 parts of lanolin, 3 parts of octadecanol and 3 parts of cetyl alcohol, mixing, heating, stirring and melting, and preserving heat to keep the molten state to obtain an oil phase;
preparation of water phase components:
sequentially taking 2 parts of triethanolamine, 0.2 part of alkali metal hydroxide, 2 parts of carbomer and 90 parts of water according to parts by weight, mixing, heating, stirring and dissolving to obtain a water phase component;
the preparation of the product natural plant-based sunscreen cream comprises the following steps:
taking 25 parts of oil phase, 70 parts of water phase and 7 parts of active component phase in sequence according to parts by weight; adding the oil phase into the water phase, homogenizing at 70 deg.C under high pressure, cooling to room temperature, adding the active component phase, stirring, and discharging to obtain product;
the active component phase comprises the following raw materials in parts by weight: 0.2 part of methyl paraben, 0.2 part of essence, 0.2 part of sodium hyaluronate and 4 parts of seaweed extract. The seaweed is Undaria pinnatifida. The alkaline metal hydroxide is sodium hydroxide. The carbomer is carbomer 934P.
Comparative example 1
This comparative example compared to example 1, no carbomer was added and the remaining conditions were maintained.
Comparative example 2
Compared with example 1, the comparative example adopts nanometer titanium dioxide with equal mass to replace the seaweed extract, and the rest conditions are kept unchanged.
Comparative example 3
In comparison with example 1, the preparation of the seaweed extract was carried out by replacing the freeze-pressing step with the ordinary grinding, and the remaining conditions were kept the same.
The products obtained in examples 1 to 3 and comparative examples 1 to 3 were subjected to performance tests in the following specific test modes and test results:
the products obtained in the examples 1-3 and the comparative examples 1-3 are kept still for 40d, the ultraviolet light transmittance before the standing and the ultraviolet light transmittance after the standing are respectively measured, the storage stability of the products is represented by the change of the ultraviolet light transmittance, if the storage stability is good, the products are not easy to layer, the product performance is relatively stable, otherwise, the product performance is seriously reduced:
accurately weighing 100mg of each sunscreen cream sample in a bottle with a capacity of 50mL, adding absolute ethyl alcohol and absolute ethyl ether according to the weight ratio of 1: the mixed solution with the proportion of 1 phi is used as a solvent to prepare a solution. The prepared solution is poured into a quartz cuvette with the wavelength of 1cm multiplied by 5cm, and the ultraviolet transmittance in the wavelength range of 290-400nm is measured in a debugged ultraviolet-visible spectrophotometer, and the specific test results are shown in Table 1:
table 1: product performance test results
As can be seen from the test results in Table 1, the product obtained by the method has excellent sunscreen function, and meanwhile, the product has excellent storage stability and stable performance after long-term storage.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference thereto is therefore intended to be embraced therein.
Claims (8)
1. The natural plant-based sunscreen cream is characterized by comprising the following raw materials in parts by weight:
20-30 parts of oil phase, 60-80 parts of water phase and 3-10 parts of active component phase;
wherein the oil phase comprises the following raw materials in parts by weight: 10-15 parts of stearic acid, 10-15 parts of glycerol, 2-5 parts of lanolin, 2-5 parts of octadecanol and 2-5 parts of cetyl alcohol;
the water phase comprises the following raw materials in parts by weight: 1-3 parts of triethanolamine, 0.1-0.3 part of alkali metal hydroxide, 1-3 parts of carbomer and 80-100 parts of water;
the active component phase comprises the following raw materials in parts by weight: 0.1-0.3 part of methyl paraben, 0.1-0.3 part of essence, 0.1-0.3 part of sodium hyaluronate and 3-5 parts of seaweed extract.
2. The natural plant-based sunscreen cream as claimed in claim 1, wherein the seaweed is any one of kelp, laver, undaria pinnatifida, agar or brown algae.
3. The natural plant-based sunscreen cream according to claim 1, wherein the alkali metal hydroxide is any one of potassium hydroxide or sodium hydroxide.
4. The natural plant based sunscreen according to claim 1 wherein said carbomer is any one of carbomer 971P, carbomer 974P or carbomer 934P.
5. A preparation method of natural plant-based sunscreen cream is characterized by comprising the following specific preparation steps:
preparation of seaweed extract:
soaking seaweed in water for 10-24h, cleaning, removing impurities, performing freeze pressing, and drying to obtain seaweed powder; mixing seaweed meal and water according to a mass ratio of 1: 10-1: 20 mixing, performing heat preservation water extraction at 35-50 deg.C, filtering, collecting filtrate, removing pigment from filtrate, and freeze drying to obtain Sargassum extract;
preparing oil phase components:
taking 10-15 parts of stearic acid, 10-15 parts of glycerol, 2-5 parts of lanolin, 2-5 parts of octadecanol and 2-5 parts of cetyl alcohol in sequence according to parts by weight, mixing, heating, stirring and melting, and keeping the temperature to keep the melted state to obtain an oil phase;
preparation of water phase components:
sequentially taking 1-3 parts of triethanolamine, 0.1-0.3 part of alkali metal hydroxide, 1-3 parts of carbomer and 80-100 parts of water according to parts by weight, mixing, heating, stirring and dissolving to obtain a water phase component;
the preparation of the product natural plant-based sunscreen cream comprises the following steps:
according to the parts by weight, sequentially taking 20-30 parts of oil phase, 60-80 parts of water phase and 3-10 parts of active component phase; adding the oil phase into the water phase, homogenizing at 60-80 deg.C under high pressure, cooling to room temperature, adding the active component phase, stirring, and discharging to obtain product;
the active component phase comprises the following raw materials in parts by weight: 0.1-0.3 part of methyl paraben, 0.1-0.3 part of essence, 0.1-0.3 part of sodium hyaluronate and 3-5 parts of seaweed extract.
6. The method for preparing a natural plant-based sunscreen cream according to claim 5, wherein the seaweed is any one of kelp, laver, undaria pinnatifida, gelidium amansii or brown algae.
7. The method for preparing natural plant-based sunscreen cream according to claim 5, wherein the alkali metal hydroxide is any one of potassium hydroxide or sodium hydroxide.
8. The method of claim 5, wherein the carbomer is any one of carbomer 971P, carbomer 974P or carbomer 934P.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114306191A (en) * | 2022-01-28 | 2022-04-12 | 海南医学院 | Natural plant sunscreen cream and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114306191A (en) * | 2022-01-28 | 2022-04-12 | 海南医学院 | Natural plant sunscreen cream and preparation method thereof |
| CN114306191B (en) * | 2022-01-28 | 2024-01-09 | 海南医学院 | Natural plant sun cream and preparation method thereof |
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