CN110812265A - Soothing, repairing and moisturizing essence emulsion - Google Patents
Soothing, repairing and moisturizing essence emulsion Download PDFInfo
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- CN110812265A CN110812265A CN201810909744.3A CN201810909744A CN110812265A CN 110812265 A CN110812265 A CN 110812265A CN 201810909744 A CN201810909744 A CN 201810909744A CN 110812265 A CN110812265 A CN 110812265A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/96—Cosmetics or similar toiletry preparations characterised by the composition containing materials, or derivatives thereof of undetermined constitution
- A61K8/97—Cosmetics 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
- A61K8/9783—Angiosperms [Magnoliophyta]
- A61K8/9789—Magnoliopsida [dicotyledons]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/35—Ketones, e.g. benzophenone
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
- A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
- A61Q19/005—Preparations for sensitive skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/52—Stabilizers
- A61K2800/524—Preservatives
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Abstract
The invention discloses a soothing, repairing and moisturizing essence emulsion which comprises an A-phase active ingredient component, a B-phase water-phase component, a C-phase oil-phase component and a D-phase bacteriostatic agent component; also provides a preparation method of the essence milk. The soothing, repairing and moisturizing essence emulsion disclosed by the invention has the effects of preventing and relieving skin sensitivity, moisturizing skin, improving skin tolerance, improving skin immunity and resistance, promoting skin repairing function, enhancing skin barrier effect, and is safe and non-irritant.
Description
Technical Field
The invention relates to the field of cosmetics, and particularly relates to soothing, repairing and moisturizing essence milk.
Technical Field
The essence milk is a commonly-used skin care product, the currently marketed essence milk has various varieties, and can be divided into whitening, moisturizing, anti-aging, anti-sensitization, acne removal and the like in terms of efficacy, but many products have over-standard harmful substances such as heavy metal lead, mercury and the like, even some products are added with prohibited components such as hormone, antibiotic and the like, although the problem of the skin can be relieved in a short time, the skin is bright and tender, a series of problems such as redness, desquamation, even hormone face and the like can be caused on the skin after long-term use, and the skin is not good for health.
With the increasing use of cosmetics and other chemicals, environmental pollution, the pace of social life is accelerated, pressure is increased, and the problems of pollen or food containing sensitizers become more and more serious, the generation of sensitive skin tends to increase continuously. In addition, external irritation such as improper use of skin care products of some people often causes skin allergy.
At present, the treatment for skin allergy is mainly corticoid drugs, and the anaphylaxis is relieved mainly by inhibiting the immune response of a human body, but the abnormal immune response causing allergy is inhibited, the normal immune response is also inhibited, the resistance of skin cells is reduced, so that the adverse reactions such as non-allergic dermatitis, skin tumor, melanin deposition, abnormal skin growth and the like are induced, and if the drugs are used for a long time, drug dependence is generated.
Therefore, the essential milk product for relieving, repairing and moisturizing, which is capable of enhancing the resistance of the skin to the allergen, has natural sources, moisturizing and irritation relieving effects, is safe for sensitive skin, can replace the current cortical hormone drugs to improve external irritation, enhances the tolerance of the skin, has excellent anti-allergy effect and can be used for a long time, is the key point of the solution of the invention.
Disclosure of Invention
The invention aims to provide a soothing, repairing and moisturizing essence emulsion which can prevent and relieve skin sensitivity, moisturize skin, improve skin tolerance, improve skin immunity and resistance, promote skin repairing function, enhance skin barrier effect, and is safe and non-irritant.
The invention is realized by the following technical scheme:
the invention provides soothing, repairing and moisturizing essence milk which comprises the following components in percentage by weight:
a: active component
1.0 to 3.0 percent of licorice root extract
0.5 to 3.5 percent of purslane extract
1.0 to 4.0 percent of Hamamelis virginiana extract
β -dextran 2.0% -4.0%
1.0 to 4.0 percent of betaine
B: aqueous phase component
0.01 to 0.30 percent of allantoin
0.01-0.10% of macromolecular sodium hyaluronate
0.6 to 1.2 percent of thickening agent
Humectant 3.0-8.0%
Adding water to 100%
C: oil phase component
2.0 to 5.0 percent of shea butter
0.2 to 1.5 percent of tocopherol acetate
1.0 to 3.0 percent of methyl glucose sesquistearate
PEG-20 methyl glucose sesquistearate 1.0% -3.0%
1.0 to 3.0 percent of rice germ oil
Caprylic/capric triglyceride 1.0-3.0%
Cetostearyl alcohol 0.2% -2.0%
D: the anticorrosive component:
0.5 to 1.0 percent of p-hydroxyacetophenone
0.6 to 1.0 percent of 1, 2-hexanediol
Further, the soothing, repairing and moisturizing essence milk comprises the following components in percentage by weight:
a: active component
1.5 to 2.5 percent of licorice root extract
1.0 to 3.0 percent of purslane extract
1.0 to 3.0 percent of Hamamelis virginiana extract
β -dextran 3.0% -4.0%
1.0 to 3.0 percent of betaine
B: aqueous phase component
0.05 to 0.20 percent of allantoin
0.01 to 0.05 percent of macromolecular sodium hyaluronate
0.6 to 1.0 percent of thickening agent
4.0 to 8.0 percent of humectant
Adding water to 100%
C: oil phase component
2.0 to 4.0 percent of shea butter
0.8 to 1.2 percent of tocopherol acetate
1.0 to 2.5 percent of methyl glucose sesquistearate
PEG-20 methyl glucose sesquistearate 1.0-2.5%
1.0 to 2.5 percent of rice germ oil
Caprylic/capric triglyceride 1.0-2.0%
Cetostearyl alcohol 0.2% -1.0%
D: the anticorrosive component:
0.5-0.8% of p-hydroxyacetophenone
0.6 to 0.8 percent of 1, 2-hexanediol
In some embodiments, the thickener is one or a combination of more of acryloyldimethyl ammonium taurate/VP copolymer, xanthan gum, sodium carbomer, and sodium polyacrylate.
In some embodiments, the humectant is one or a combination of more of butylene glycol, propylene glycol, dipropylene glycol, polyethylene glycol, sorbitol.
The invention also aims to provide a preparation method of the soothing, repairing and moisturizing essence milk, which comprises the following steps:
(1) firstly, heating the p-hydroxyacetophenone preservative and 1, 2-hexanediol to 65 ℃, and dissolving the p-hydroxyacetophenone preservative and the 1, 2-hexanediol in advance for later use;
(2) respectively stirring and heating the oil phase and the water phase to 80-85 ℃ and preserving heat for 15 min;
(3) pumping the oil phase into the water phase for homogenization at the homogenizing speed of 2000r/min for 90s, stirring for 15min, and then starting stirring and cooling;
(4) and cooling to 42-45 ℃, adding the active ingredient A and the pre-dissolved preservative, and uniformly stirring to obtain the essence milk.
In the invention, the active ingredients have the following functions:
licorice root extract: the liquorice root extract is prepared by taking the 'Yaowang' liquorice as a raw material and extracting and refining the liquorice root extract by a modern process, contains a large amount of functional components such as glycyrrhiza polysaccharide, glycyrrhizic acid, flavonoid and triterpenes, has good effects of enhancing skin immunity and resisting oxidation, and has obvious effects of reducing melanin deposition, whitening skin and relieving skin allergy symptoms. Glycyrrhizin, a specific triterpenoid in liquorice, has an adsorption effect on toxic substances and can be combined with the toxic substances, so that toxic and side effects of certain substances in cosmetics on skin can be relieved or reduced. Meanwhile, the licorice extract has a strong inhibition effect on bacteria, and is a good antibacterial anti-inflammatory agent.
And (3) purslane extract: the purslane extract contains a large amount of purslane polysaccharide, omega-3 fatty acid, vitamin E and other effective components, has good special anti-allergic and anti-irritation effects, and can effectively remove and prevent the skin surface from being reddened. In addition, the purslane has good antibacterial and anti-inflammatory effects, and can effectively resist various external irritations to the skin.
Witch hazel extract: the soothing factor derived from shrubs in eastern areas of North America and the peculiar in witch hazel has excellent calming and appeasing effects, can mildly soothe sensitive skin, balance metabolism, alleviate irritated skin, and effectively help skin regeneration and wound healing. Has antiinflammatory, antiallergic, soothing and astringent effects; and simultaneously has good water holding capacity.
β -dextran is derived from natural raw materials, has no toxicity and irritation, can help to renew and repair tense skin, effectively reduce skin wrinkles, improve moisture retention and firming smoothness of skin, and promote healing and regeneration of scars, and has significant anti-inflammatory and antiallergic activities, and can help skin to resist various exogenous mechanical and chemical stimuli.
Betaine: the amino acid is completely natural and edible amino acid, is contained in beet root, spinach, broccoli and other plants, is an excellent natural humectant, is easy to combine with water molecules, is easy to release the water molecules, and can be utilized by living cells. Can also effectively reduce phenomena of system irritation, skin allergy and the like.
The invention has the following remarkable advantages:
(1) the invention provides a soothing, repairing and moisturizing essence milk, which does not use traditional preservatives and essence in the formula, replaces the natural equivalent preservative p-hydroxyacetophenone, and has the advantages of being mild and non-irritant.
(2) The soothing, repairing and moisturizing essence disclosed by the invention does not contain components such as antibiotics and hormones, but still has good anti-inflammatory, anti-allergy and soothing effects on allergic skin and sensitive skin, has good moisturizing performance, and can help the skin to resist various exogenous mechanical and chemical stimuli.
(3) The essence cream of the invention is light and thin and easy to absorb, and can not cause burden to skin.
Detailed Description
The following are preferred embodiments of the present invention, and the present invention is not limited to the following preferred embodiments. It should be noted that, for those skilled in the art, on the basis of the inventive concept herein, several variations and modifications are possible which fall within the scope of the invention, and for further description of the invention, the following description is given by way of example only.
The embodiment of the invention is realized by the following conditions:
TABLE 1 formulation of essence milk of each example (weight by mass fraction below)
The preparation method comprises the following steps: heating p-hydroxyacetophenone and 1, 2-hexanediol as preservatives to 65 ℃, and dissolving in advance for later use; respectively stirring and heating the oil phase and the water phase to 80-85 ℃, preserving heat for 15min, pumping the oil phase into the water phase for homogenization at the speed of 2000r/min for 90s, stirring for 15min, then starting stirring and cooling, cooling to 42-45 ℃, adding each component in the active ingredient A and a pre-dissolved preservative, and uniformly stirring to obtain the essence milk.
The product of the invention was subjected to the following experiments:
1. soothing and repairing effect
Selecting 40 cases of sensitive skin testers with the age of 20-40 and skin susceptible to external environment or sensitive and reddish cosmetics; the experimental group was prepared with the formulation of example 3 of the present invention and the control group 2 was prepared with a similar product marketed by 20 persons per group in 2 groups. After thoroughly cleaning the skin, the essence milk is uniformly smeared on the face once in the morning and at night every day, and the feeling and the effect of using the essence milk for two months are observed.
TABLE 2 comparison of comfort repairs
From the result feedback, 85% of testers show that the soothing, repairing and moisturizing essence milk has obvious soothing and repairing effects, 95% of testers consider that the product has certain soothing and repairing effects, and the testers mainly complain that the product can improve the sensitive conditions of the skin, such as redness, itching and the like caused by the external environment, and the instant soothing effect is particularly obvious.
2. Moisturizing and water replenishing effects
Selecting 40 cases of testers with the age of 20-40, skin water shortage, dryness and even scurf generation; the experimental group was prepared with the formulation of example 3 of the present invention and the control group 2 was prepared with a similar product marketed by 20 persons per group in 2 groups. After thoroughly cleaning the skin, the essence milk is uniformly smeared on the face once in the morning and at night every day, and the feeling and the effect of using the essence milk for two months are observed.
TABLE 3 comparison of moisturizing products
According to result feedback, 75% of testers show that the soothing, repairing and moisturizing essence milk has obvious moisturizing and hydrating effects, 100% of testers consider that the product has a certain moisturizing effect, and the chief complaints of the testers consider that the product disclosed by the invention can improve the skin water shortage condition and enable the skin to become plump and moist, and particularly for severe skin dryness testers, the effect is particularly obvious.
Tests prove that the soothing, repairing and moisturizing essence disclosed by the invention has the effects of relieving the skin redness, itching and other conditions of sensitive skin caused by external environment, improving the skin tolerance, improving the skin immunity and resistance, promoting the skin repairing function, enhancing the skin moisturizing capability, and is mild and non-irritant, and allergic or other adverse reactions appear in testers.
Claims (5)
1. The soothing, repairing and moisturizing essence milk is characterized by comprising the following components in percentage by weight:
a: active component
B: aqueous phase component
C: oil phase component
D: the antibacterial component:
0.5 to 1.0 percent of p-hydroxyacetophenone
0.6 to 1.0 percent of 1, 2-hexanediol
2. The essence of claim 1, which comprises the following components in percentage by weight:
a: active component
B: aqueous phase component
C: oil phase component
D: the antibacterial component:
0.5-0.8% of p-hydroxyacetophenone
0.6 to 0.8 percent of 1, 2-hexanediol
3. A soothing, repairing and moisturizing essence emulsion according to claim 1 or 2, wherein the thickener is one or more of acryloyl dimethyl ammonium taurate/VP copolymer, xanthan gum, sodium carbomer and sodium polyacrylate.
4. The soothing, repairing and moisturizing essence of claim 1 or 2, wherein the moisturizer is one or more of butylene glycol, propylene glycol, dipropylene glycol, polyethylene glycol and sorbitol.
5. A method of making a soothing conditioner pack according to any of claims 1 to 4 as a serum, comprising the steps of:
(1) firstly, heating the p-hydroxyacetophenone preservative and 1, 2-hexanediol to 65 ℃, and dissolving the p-hydroxyacetophenone preservative and the 1, 2-hexanediol in advance for later use;
(2) respectively stirring and heating the oil phase and the water phase to 80-85 ℃ and preserving heat for 15 min;
(3) pumping the oil phase into the water phase for homogenization at the homogenizing speed of 2000r/min for 90s, stirring for 15min, and then starting stirring and cooling;
(4) and cooling to 42-45 ℃, adding the active ingredient A and the pre-dissolved preservative, and uniformly stirring to obtain the essence milk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810909744.3A CN110812265A (en) | 2018-08-10 | 2018-08-10 | Soothing, repairing and moisturizing essence emulsion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810909744.3A CN110812265A (en) | 2018-08-10 | 2018-08-10 | Soothing, repairing and moisturizing essence emulsion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110812265A true CN110812265A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810909744.3A Pending CN110812265A (en) | 2018-08-10 | 2018-08-10 | Soothing, repairing and moisturizing essence emulsion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114246818A (en) * | 2021-03-08 | 2022-03-29 | 山东祥隆医药研究院有限公司 | Essence milk with allergy preventing, moisturizing and repairing effects and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230353A (en) * | 2013-05-03 | 2013-08-07 | 湖南御泥坊化妆品有限公司 | Additive-free natural whitening cosmetic and preparation method thereof |
| CN103961289A (en) * | 2014-05-28 | 2014-08-06 | 广州千百度化妆品有限公司 | Talinum crassifolium extracting solution as well as preparation method and application thereof |
| WO2015022641A2 (en) * | 2013-08-12 | 2015-02-19 | Red Gold Agarose Corp. (Panama Incorporated) | A cream-like solid agarose-in-water gel particles suspension as an intermediate cosmetics product |
| CN107440955A (en) * | 2017-07-28 | 2017-12-08 | 武汉医佳宝生物材料有限公司 | A kind of antiallergic restorative facial cream |
| CN108186503A (en) * | 2018-03-26 | 2018-06-22 | 广东盛美化妆品有限公司 | A kind of whitening emulsion of the extract containing Magnolia binodii and preparation method thereof |
-
2018
- 2018-08-10 CN CN201810909744.3A patent/CN110812265A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103230353A (en) * | 2013-05-03 | 2013-08-07 | 湖南御泥坊化妆品有限公司 | Additive-free natural whitening cosmetic and preparation method thereof |
| WO2015022641A2 (en) * | 2013-08-12 | 2015-02-19 | Red Gold Agarose Corp. (Panama Incorporated) | A cream-like solid agarose-in-water gel particles suspension as an intermediate cosmetics product |
| CN103961289A (en) * | 2014-05-28 | 2014-08-06 | 广州千百度化妆品有限公司 | Talinum crassifolium extracting solution as well as preparation method and application thereof |
| CN107440955A (en) * | 2017-07-28 | 2017-12-08 | 武汉医佳宝生物材料有限公司 | A kind of antiallergic restorative facial cream |
| CN108186503A (en) * | 2018-03-26 | 2018-06-22 | 广东盛美化妆品有限公司 | A kind of whitening emulsion of the extract containing Magnolia binodii and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114246818A (en) * | 2021-03-08 | 2022-03-29 | 山东祥隆医药研究院有限公司 | Essence milk with allergy preventing, moisturizing and repairing effects and preparation method thereof |
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Application publication date: 20200221 |