CN107320419B - Mild repairing urea cream - Google Patents

Abstract

The invention discloses mild repair urea cream which comprises skin conditioner components, auxiliary components and water, wherein the skin conditioner components comprise the following components in percentage by mass: 1-3% of cetearyl glucoside, 2-5% of cetearyl alcohol, 0.2-1% of glyceryl stearate, 1-3% of PEG-100 stearate, 0.1-1% of tocopherol, 3-8% of vaseline, 5-10% of caprylic/capric triglyceride, 4-9% of shea butter, 2-6% of squalane, 4-9% of mineral oil, 0.05-0.15% of allantoin, 3-15% of urea, 0.01-0.1% of hyaluronic acid, 6-10% of glycerol, 5-9% of propylene glycol, 1-5% of bletilla striata root extract and 0.1-0.5% of bisabolol. According to the mild repair urea cream, the formula adopts the perfect combination of urea and traditional Chinese medicine repair components, so that the cracked skin is repaired, no irritation or allergy is brought to the skin, and the skin is gently nursed.

Description

Mild repairing urea cream

Technical Field

The invention relates to the field of cosmetics, in particular to mild repair urea cream.

Background

In dry seasons of autumn and winter, hands and feet are easy to chap due to dehydration and drying, the skin of light people can be dry, peeled and chapped, and serious cracks go deep into the dermis, thus causing bleeding and pain. At present, the common product is urea cream, which has the functions of moisturizing and protecting skin, preventing freezing and healing chap and has good repairing effect on chap skin. Most products on the market have high urea addition, and when the skin is repaired, the skin is irritated, and other skin problems such as allergy are brought. Therefore, how to improve the mildness of the urea cream to improve the application range of the urea cream becomes a problem which needs to be solved at present.

Disclosure of Invention

Aiming at the defects in the prior art and solving the troubles faced by the skin, the invention aims to provide the mild repair urea cream, the formula adopts the perfect combination of urea and traditional Chinese medicine repair components, the rhagades skin is repaired, meanwhile, no stimulation and allergy are brought to the skin, and the skin is nursed mildly. The invention is realized by the following technical scheme:

the mild repair urea cream comprises skin conditioner components, auxiliary components and water, wherein the skin conditioner components comprise the following components in percentage by mass:

cetearyl glucoside: 1 to 3 percent of

Cetostearyl alcohol: 2 to 5 percent

Glycerol stearate: 0.2 to 1 percent

PEG-100 stearate: 1 to 3 percent of

And (3) tocopherol: 0.1 to 1 percent

Vaseline: 3 to 8 percent of

Caprylic/capric triglyceride: 5-10 percent

Shea butter: 4 to 9 percent of

Squalane: 2 to 6 percent

Mineral oil: 4 to 9 percent of

Allantoin: 0.05 to 0.15 percent

Urea: 3 to 15 percent of

Hyaluronic acid: 0.01 to 0.1 percent

Glycerol: 6 to 10 percent

Propylene glycol: 5 to 9 percent of

Bletilla striata root extract: 1 to 5 percent

Bisabolol: 0.1 to 0.5 percent.

Furthermore, the auxiliary components comprise one or more of an aromatizer, a preservative and a thickening agent.

The application method of the mild repair urea cream comprises the following steps: after cleaning the skin, a proper amount of the skin-cleaning liquid is smeared on the required part until the skin-cleaning liquid is absorbed.

The mild repair urea cream has the following effects: the skin elasticity is repaired, the moisture retention and water locking degree of the skin are increased, and the chapped skin is mildly repaired.

Hyaluronic acid in the invention, standard Chinese name: sodium hyaluronate (CAS number: 9004-61-9), prepared by fermentation of lactococcus lactis, is one of the constituents of human skin, is an acidic mucosaccharide widely distributed in human body, exists in the matrix of connective tissue, and has good moisturizing effect. Meanwhile, the wrinkle-removing and repairing powder has good wrinkle-removing and repairing effects.

The shea butter of the invention has standard Chinese name: the main components of the fruit fat (CAS number: 68920-03-6) of the Butyrospermum PARKII (Butyrospermum PARKII) are triglyceride and unsaponifiable matter, wherein the unsaponifiable matter mainly comprises cinnamate and terpene alcohol, has good effects of diminishing inflammation and promoting the synthesis of collagen of a human body, and can enable the gray, yellow and dry skin to become smooth and fine.

Tocopherol in the present invention, standard chinese name: tocopherol (vitamin E) (CAS number: 59-02-9), has strong antioxidant effect, and also can improve skin elasticity and delay aging.

Vaseline in the invention, standard Chinese name: petrolatum (CAS number: 8009-03-8) has excellent water resistance, and forms a protective film on the skin to prevent water loss.

Squalane, standard chinese name in the invention: squalane (CAS number: 111-01-3), has good affinity to skin, does not cause allergy or irritation, and can accelerate the penetration of other active ingredients in the formula into skin.

Urea in the invention, standard chinese name: urea (CAS number: 111-01-3) enhances the skin barrier, has excellent moisturizing ability, and makes dry skin soft, smooth and elastic.

The standard Chinese name of the bletilla striata root extract of the invention is as follows: the BLETILLA STRIATA (BLETILLA STRIATA) root extract has good repairing effect on skin, can activate skin cells and has strong moisturizing effect, so that the BLETILLA STRIATA is colorful in the fields of basic care, sensitive skin care and skin repair.

The invention relates to bisabolol, which has the standard Chinese name: bisabolol (CAS number: 515-69-5) has antiinflammatory and irritation relieving effects, is natural, and is suitable for sensitive skin.

The mild repair urea cream completely meets various indexes in technical specifications for cosmetic safety (2015 edition) issued by the state, and the composition does not contain any toxic substance.

The mild repair urea cream provided by the invention can be directly applied to the skin. The cream is mainly used for repairing chapped skin.

Compared with the prior art, the mild repair urea cream has the beneficial effects that the formula adopts the perfect combination of urea and traditional Chinese medicine repair components, so that the rhagades skin is repaired, meanwhile, no stimulation or allergy is brought to the skin, and the skin is nursed mildly.

Detailed Description

The present invention will be further specifically described with reference to the following examples.

Example 1:

the mild repair urea cream is prepared from the following raw materials in percentage by weight:

cetearyl glucoside: 2 percent of

Cetostearyl alcohol: 3 percent of

Glycerol stearate: 0.5 percent

PEG-100 stearate: 1.5 percent

And (3) tocopherol: 0.3 percent of

Vaseline: 4 percent of

Caprylic/capric triglyceride: 6 percent of

Shea butter: 5 percent of

Squalane: 2 percent of

Mineral oil: 5 percent of

Allantoin: 0.1 percent of

Urea: 15 percent of

Hyaluronic acid: 0.03 percent

Glycerol: 8 percent of

Propylene glycol: 6 percent of

Bletilla striata root extract: 1 percent of

Bisabolol: 0.1 percent of

Methyl hydroxybenzoate: 0.15 percent

Propyl hydroxybenzoate: 0.1 percent of

Bis (hydroxymethyl) imidazolidinyl urea: 0.03 percent

Essence: 0.01 percent

Water: and (4) the balance.

The preparation method of the mild repair urea cream comprises the following steps:

(1) heating water, glycerol, hyaluronic acid, urea, allantoin, propylene glycol, and methyl hydroxybenzoate in water phase to 80-85 deg.C;

(2) heating cetearyl glucoside, cetearyl alcohol, glyceryl stearate, PEG-100 stearate, tocopherol, vaseline, caprylic/capric triglyceride, shea butter, squalane, mineral oil, propyl hydroxybenzoate in oil phase to 80-85 deg.C;

(3) pumping the water phase into an emulsifying pot, pumping the oil phase into the emulsifying pot, adjusting the temperature to 80 ℃, and homogenizing for 5 minutes; then cooling to below 45 ℃, adding bis (hydroxymethyl) imidazolidinyl urea and essence, and stirring for more than 10 minutes;

(4) and finally adding the bletilla striata root extract and the bisabolol, and stirring to be uniform to obtain the traditional Chinese medicine.

Comparative examples 1 to 3:

the preparation method of example 1 was repeated according to the contents of shea butter, bletilla striata root extract, and bisabolol specified in table 1 below, and the kinds and contents of other ingredients not listed were all the same, to obtain repair creams with different ingredients, respectively.

TABLE 1

Skin conditioner component	Comparative example 1	Comparative example 2	Comparative example 3
				Shea butter	5％	Is free of	Is free of
Bletilla striata root extract	Is free of	1％	Is free of
				Bisabolol	Is free of	Is free of	0.1％

The effect comparison test of the repair cream in the embodiment 1 of the invention and the comparative examples 1-3 comprises the following steps:

(1) test objects: selecting 60 volunteers, wherein the skin of the volunteers is 25-45 years old, has different degrees of dryness and chapping, has no dermatosis and allergic disease history, is non-sensitive skin, can use cosmetics according to the specification, is matched with workers to complete evaluation work according to requirements, has certain expression capability, and can truly reflect the feeling after use; randomly dividing the test into 4 test groups, and each group contains 15 test groups;

(2) the using method comprises the following steps: the repair creams of the embodiment 1 and the comparative examples 1-3 are independently used by volunteers of each test group for 2 times per day for 15 days;

(3) testing an instrument: VISA digital skin analyzer (USA), Mexameter MX18 skin melanin and heme tester (Germany), MPA580 skin elasticity tester (Germany), and Oumekang Y-B2006 skin moisture tester (made in China);

(4) and (3) testing items: moisture retention, repair degree, smoothness and elasticity;

(5) the scoring criteria were: the test result is very satisfactory for 5 points (the improvement degree of the test result is more than 30 percent compared with the test result before the test), satisfactory for 3 points (the improvement degree of the test result is 20-30 percent compared with the test result before the test), generally 1 point (the improvement degree of the test result is 0-10 percent compared with the test result before the test), and unsatisfactory for 0 point (the test result is not improved any more than the test result before the test);

(7) and (3) testing results: the average score results of the repair creams of example 1 and comparative examples 1-3 are shown in Table 2:

TABLE 2

As can be seen from the results of table 2, the mild repair urea cream of example 1 has excellent effects in improving skin moisturization, repair, smoothness, and elasticity. Through the test results of the example 1 and the comparative examples 1 to 3, it can be seen that the mild repair urea cream of the example 1 of the present invention is added with 0.5% of shea butter, 1% of bletilla striata root extract and 0.1% of bisabolol by mass, and has a synergistic effect on the aspects of skin moisture retention, repair degree, smoothness and elasticity, so as to obtain the technical effects unexpected by those skilled in the art.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and those skilled in the art should not make any insubstantial changes and substitutions based on the present invention.

Claims (2)

1. The mild repair urea cream is characterized by being prepared from the following raw materials in percentage by weight:

cetearyl glucoside: 2 percent of

Cetostearyl alcohol: 3 percent of

Glycerol stearate: 0.5 percent

PEG-100 stearate: 1.5 percent

And (3) tocopherol: 0.3 percent of

Vaseline: 4 percent of

Caprylic/capric triglyceride: 6 percent of

Shea butter: 5 percent of

Squalane: 2 percent of

Mineral oil: 5 percent of

Allantoin: 0.1 percent of

Urea: 15 percent of

Hyaluronic acid: 0.03 percent

Glycerol: 8 percent of

Propylene glycol: 6 percent of

Bletilla striata root extract: 1 percent of

Bisabolol: 0.1 percent of

Methyl hydroxybenzoate: 0.15 percent

Propyl hydroxybenzoate: 0.1 percent of

Bis (hydroxymethyl) imidazolidinyl urea: 0.03 percent

Essence: 0.01 percent

Water: and (4) the balance.

2. The mild repair urea cream according to claim 1, characterized by being prepared by the following steps:

(1) heating water, glycerol, hyaluronic acid, urea, allantoin, propylene glycol, and methyl hydroxybenzoate in water phase to 80-85 deg.C;

(2) heating cetearyl glucoside, cetearyl alcohol, glyceryl stearate, PEG-100 stearate, tocopherol, vaseline, caprylic/capric triglyceride, shea butter, squalane, mineral oil, propyl hydroxybenzoate in oil phase to 80-85 deg.C;

(3) pumping the water phase into an emulsifying pot, pumping the oil phase into the emulsifying pot, adjusting the temperature to 80 ℃, and homogenizing for 5 minutes; then cooling to below 45 ℃, adding bis (hydroxymethyl) imidazolidinyl urea and essence, and stirring for more than 10 minutes;

(4) and finally adding the bletilla striata root extract and the bisabolol, and stirring to be uniform to obtain the traditional Chinese medicine.