CN111166700A - Cleansing oil for sensitive skin and preparation method thereof - Google Patents

Abstract

The invention provides makeup removing oil for sensitive skin and a preparation method thereof, wherein each 100 parts by weight of the makeup removing oil comprises 8-20 parts of olive oil, 8-20 parts of jojoba oil, 10-25 parts of rice bran oil, 5-10 parts of avocado oil, 8-15 parts of cetyl ethyl hexanoate, 8-20 parts of emulsifying agent, 0.5-1.5 parts of tocopherol, 0.1-0.5 part of anti-allergic agent and the balance of caprylic acid/capric acid triglyceride. The invention also provides a preparation method of the cleansing oil. The cleansing oil disclosed by the invention has the characteristics of quick emulsification, good cleansing capability, good moisturizing property, low irritation, high safety and the like, and is suitable for long-term use by people with sensitive skin.

Description

Cleansing oil for sensitive skin and preparation method thereof

Technical Field

The invention relates to cleansing oil for sensitive skin and a preparation method thereof, belonging to the technical field of cosmetics.

Technical Field

With the improvement of quality of life and taste, cosmetics play an increasingly important role in the daily life of people. Makeup is almost always a matter that every woman must do when going out, but if the washing is not thorough, the residual makeup can cause the pores of the facial skin to be blocked, leading to the imbalance of oil and water secretion of the skin, and causing the bothersome skin problems of acne, comedones, blackheads and the like.

The makeup remover is grease added with an emulsifier, can be easily fused with makeup oil dirt on the face, and can take away oil-soluble makeup products and redundant grease dirt on the face in a water emulsification mode. At present, different brands and different types of makeup removing oil are available on the market, but a lot of conventional makeup removing oil is added with pigments, preservatives, essences and the like, so that skin allergy is easy to cause, and certain damage to the skin can be caused by frequent use, so that a makeup removing product which is good in safe makeup removing capability and can be used for a long time is very necessary.

Chinese application patent CN 104971005A discloses a moisturizing cleansing oil which mainly comprises isopropyl palmitate, olive oil, water-soluble silicone oil and other grease and an emulsifier, but the use of a chemical preservative methyl p-hydroxybenzoate is easy to stimulate the skin and is not suitable for long-term use.

Chinese application patent CN 104771333A discloses a makeup removing composition without preservative and a preparation method thereof, which mainly comprises components such as emulsifier, antioxidant, liquid grease, spice and the like, and simultaneously adds oil-soluble pigment for beautifying the appearance of the product, so that the makeup removing composition is not suitable for long-term use.

Therefore, the key point to be solved by the invention is to provide the cleansing oil which has low irritation, high safety and good cleansing capability and can be used for a long time by people with sensitive skin.

Disclosure of Invention

The invention aims to provide the cleansing oil for the sensitive skin, which has the characteristics of good cleansing capacity, good moisturizing property, low irritation, high safety and the like, and is suitable for long-term use by people with the sensitive skin.

The invention is realized by the following technical scheme:

the makeup remover for sensitive skin comprises, by weight, per 100 parts of olive oil, jojoba oil, rice bran oil, avocado oil, cetyl ethylhexanoate, emulsifier, tocopherol, anti-allergy agent and caprylic/capric triglyceride, wherein the olive oil is 8-20 parts, the jojoba oil is 8-20 parts, the rice bran oil is 10-25 parts, the avocado oil is 5-10 parts, the cetyl ethylhexanoate is 8-15 parts, the emulsifier is 8-20 parts, the anti-allergy agent is 0.5-1.5 parts, and the caprylic/capric triglyceride is 0.1-0.5 part.

Further, the makeup removing oil for sensitive skin comprises, by weight, 10-15 parts of olive oil, 10-15 parts of jojoba oil, 10-20 parts of rice bran oil, 6-8 parts of avocado oil, 10-15 parts of cetyl ethylhexanoate, 10-15 parts of an emulsifier, 0.5-1.2 parts of tocopherol, 0.1-0.3 part of an anti-allergy agent and the balance caprylic/capric triglyceride per 100 parts of the makeup removing oil.

Further, the emulsifier mainly comprises one or two of PEG-20 glycerol isostearate and PEG-20 glycerol triisostearate.

Further, the anti-allergic agent is ginger root extract.

Another object of the present invention is to provide a method for preparing the cleansing oil for sensitive skin of the present invention, comprising the steps of:

weighing olive oil, jojoba oil, rice bran oil, avocado oil, cetyl ethylhexanoate, an emulsifier, caprylic/capric triglyceride and tocopherol according to a proportion, fully mixing and stirring uniformly at 60-80 ℃, cooling to 35-45 ℃ while stirring, adding an anti-allergy agent, and stirring uniformly to obtain the makeup removing oil.

The invention has the beneficial effects that:

(1) the skin care product does not contain essence, preservative, pigment, mineral oil and other components which are easy to cause skin sensitization, does not cause skin allergy and irritation, and can relieve the sensitive skin condition by adding the anti-sensitization agent.

(2) The skin care cream is added with various natural vegetable oils, such as jojoba oil, olive oil, rice bran oil, avocado oil and the like, has mild properties and obvious skin care effect, has the effects of mild makeup removal and skin care, and is particularly suitable for people with sensitive skin to use for a long time.

(3) The invention adopts a plurality of vegetable oils and the emulsifier to be reasonably matched, and the vegetable oils can be emulsified when meeting water, and have the makeup removing effects of quick cleaning, thorough makeup removing, easy cleaning and the like.

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.

Example 1

In this example, a formulation of a cleansing oil for sensitive skin is as follows:

raw materials	Ratio (%)
		Olive oil	10
Jojoba oil	15
		Rice bran oil	12
Avocado oil	7
		Cetyl ethylhexanoate ester	14
Emulsifier	15
		Tocopherol	0.5
Ginger root extract	0.1
		Caprylic/capric triglyceride	26.4

The specific operation method comprises the following steps: weighing 10g of olive oil, 15g of jojoba oil, 12g of rice bran oil, 7g of avocado oil, 14g of cetyl ethylhexanoate, 0.5g of tocopherol, 15g of emulsifier and 26.4g of caprylic/capric triglyceride, heating to 60-80 ℃, fully mixing and stirring uniformly, cooling to 35-45 ℃ while stirring, adding 0.1g of ginger root extract, and stirring uniformly to obtain the makeup removing oil.

Example 2

In this example, a formulation of a cleansing oil for sensitive skin is as follows:

the specific operation method comprises the following steps: weighing 15g of olive oil, 10g of jojoba oil, 16g of rice bran oil, 7g of avocado oil, 12g of cetyl ethylhexanoate, 1g of tocopherol, 13g of emulsifier and 25.8g of caprylic/capric triglyceride, heating to 60-80 ℃, fully mixing and stirring uniformly, cooling to 35-45 ℃ while stirring, adding 0.2g of ginger root extract, and stirring uniformly to obtain the makeup removing oil.

Example 3

In this example, a formulation of a cleansing oil for sensitive skin is as follows:

raw materials	Ratio (%)
		Olive oil	12
Jojoba oil	13
		Rice bran oil	20
Avocado oil	6
		Cetyl ethylhexanoate ester	10
Emulsifier	12
		Tocopherol	1.2
Ginger root extract	0.3
		Caprylic/capric triglyceride	25.5

The specific operation method comprises the following steps: weighing 12g of olive oil, 13g of jojoba oil, 20g of rice bran oil, 6g of avocado oil, 10g of cetyl ethylhexanoate, 1.2g of tocopherol, 12g of emulsifier and 25.5g of caprylic/capric triglyceride, heating to 60-80 ℃, fully mixing and stirring uniformly, cooling to 35-45 ℃ while stirring, adding 0.3g of ginger root extract, and stirring uniformly to obtain the makeup removing oil.

Example 4

In this example, a formulation of a cleansing oil for sensitive skin is as follows:

raw materials	Ratio (%)
		Olive oil	14
Jojoba oil	12
		Rice bran oil	10
Avocado oil	8
		Cetyl ethylhexanoate ester	15
Emulsifier	10
		Tocopherol	0.8
Ginger root extract	0.3
		Caprylic/capric triglyceride	29.9

The specific operation method comprises the following steps: weighing 14g of olive oil, 12g of jojoba oil, 10g of rice bran oil, 8g of avocado oil, 15g of cetyl ethylhexanoate, 0.8g of tocopherol, 10g of emulsifier and 29.9g of caprylic/capric triglyceride, heating to 60-80 ℃, fully mixing and stirring uniformly, cooling to 35-45 ℃ while stirring, adding 0.3g of ginger root extract, and stirring uniformly to obtain the makeup removing oil.

The cleansing oil obtained in example 3 of the present invention and similar products sold in the market are used for testing the clinical effects of sensitive skin test groups.

Selection criteria for sensitive skin

Subjective evaluation: the subject's sensitivity to weather (cold and dry), skin care, detergent, textile and rough items was scored separately for the test sites according to: 0 is insensitive; 1 is sometimes sensitive; 2 is classified as sensitive. The 5 scores were added and the total score was greater than 4 and scored as sensitive skin.

For example: subject a self-reported insensitivity to weather (score 0), sensitivity to skin care products (score 1), sensitivity to detergents (score 2), sensitivity to textiles (score 1), sensitivity to roughness (score 1), five added: since 0+1+2+1+1 is 5 points, it is judged as sensitive skin.

40 volunteers who were 18-35 years old and had frequent makeup and subjective skin sensitivity rating of greater than 4 were selected and randomized into A, B groups, group A tried the product prepared in example 3 of the present invention and group B used a commercially available product of similar efficacy.

The test period was 7 days

The test method comprises the following steps: makeup for removing face

Taking a proper amount of makeup removing oil in the palm, uniformly coating the makeup removing oil on the face, and gently massaging the finger abdomen for about 60 seconds to fully dissolve the makeup removing oil for color makeup; wetting the hands with warm water, continuously massaging for about 30 seconds, and completely emulsifying the paper cleansing oil into soft milky white liquid; washing the face with a large amount of warm water; the face is lightly wiped up with cosmetic cotton, and whether makeup removal is performed cleanly is checked without secondary cleaning.

The score is divided into 10 points, 8-10 points are obvious in feeling or high in speed, 4-7 points are general in feeling, and 1-3 points are poor or uncertain.

The test results were evaluated as follows:

result feedback

90% of volunteers of the cleansing oil consider that the emulsifying speed is high; 85% of volunteers considered to have good makeup removing ability; 95% of volunteers consider that the washing performance is good and the washing is easy; and 85% of volunteers think that the skin is not tight after washing and has good moistening performance; 95% of the volunteers considered the product to be mild, non-irritating, and 1 person considered to be slightly irritating but not intense, without causing any other discomfort to the skin.

The results show that: the cleansing oil disclosed by the invention has the characteristics of quick emulsification, good cleansing capability, good moisturizing property, low irritation, high safety and the like, and is suitable for long-term use by people with sensitive skin.

Claims (5)

1. The makeup remover for sensitive skin is characterized by comprising, by weight, per 100 parts of olive oil 8-20 parts, jojoba oil 8-20 parts, rice bran oil 10-25 parts, avocado oil 5-10 parts, cetyl ethylhexanoate 8-15 parts, emulsifier 8-20 parts, tocopherol 0.5-1.5 parts, anti-allergic agent 0.1-0.5 part and caprylic/capric triglyceride in balance.

2. The cleansing oil for sensitive skin according to claim 1, comprising, by weight, per 100 parts by weight, 10-15 parts of olive oil, 10-15 parts of jojoba oil, 10-20 parts of rice bran oil, 6-8 parts of avocado oil, 10-15 parts of cetyl ethylhexanoate, 10-15 parts of an emulsifier, 0.5-1.2 parts of tocopherol, 0.1-0.3 parts of an anti-allergy agent, and the balance caprylic/capric triglyceride.

3. The cleansing oil for sensitive skin according to claim 1 or 2, wherein the emulsifier is mainly one or a combination of PEG-20 glyceryl isostearate and PEG-20 glyceryl triisostearate.

4. The cleansing oil for sensitive skin according to claim 1 or 2, wherein the anti-allergy agent is ginger root extract.

5. A method of preparing a make-up remover oil for sensitive skin according to any of claims 1 to 4, comprising the steps of:

weighing olive oil, jojoba oil, rice bran oil, avocado oil, cetyl ethylhexanoate, an emulsifier, caprylic/capric triglyceride and tocopherol according to a proportion, fully mixing and stirring uniformly at 60-80 ℃, cooling to 35-45 ℃ while stirring, adding an anti-allergy agent, and stirring uniformly to obtain the makeup removing oil.