KR20210091589A - Cosmetic composition for increasing cosmetic durability by enhancing skin-affinity of makeup cosmetics - Google Patents

Abstract

The present invention relates to a cosmetic composition which enhances the adhesion of makeup to increase the makeup durability, which uses PEG-240/HDI copolymer bis-decyltetradeceth-20 ether, sodium acrylate starch, caprylyl methicone, and macadamia seed oil to weaken polymer association and improve spreadability to form a thinner and more uniform coating film when applied on the skin. The composition increases the adhesion of the makeup, helping the makeup to be better received and maintained for a long time, and at the same time, forms a thin, flexible and soft film to help apply makeup more evenly to increase an effect of putting on makeup well, thereby being able to be usefully used.

Description

Cosmetic composition for increasing makeup durability by improving adhesion of makeup {Cosmetic composition for increasing cosmetic durability by enhancing skin-affinity of makeup cosmetics}

The present invention relates to a cosmetic composition that increases cosmetic durability. The present invention also relates to a cosmetic composition that weakens the associative property of the polymer and improves the spreadability to form a thinner and more uniform coating film when applied on the skin, thereby increasing the adhesion of the next makeup to be applied to increase the makeup durability.

Makeup not only makes the user's face look more attractive and beautiful, but is also a means to express the person's mood or personality. Users hope to maintain the look they have created for a long time, but various factors such as sweat and sebum secretion, dryness, and facial movement cause the powder containing color cosmetics to concentrate, wet, and fall off, which reduces the color development of makeup. The maintenance of the initial makeup state, such as the makeup being removed and the makeup film falling off, is still an unresolved area.

There are many ways to increase the durability and satisfaction of makeup, but above all, if the condition right after makeup is not good, not only satisfaction but also durability will not last long. Therefore, various methods have been developed to increase the adhesion so that the makeup is applied evenly and does not roll over.

Looking at the prior art, there is a composition patent that aims to increase the durability by making a uniform and thinner cosmetic film by improving the spreadability (Korean Patent Registration No. 10-1845969). The present invention made a make-up cosmetic composition that is soft and well-applied by using a wax crystal inhibitor to solve the problem of lowering of spreadability over time while improving initial spreadability.

Also, there is a patent for a cosmetic composition containing a film forming agent (Korean Patent Publication No. 10-2019-0003501). This invention is a technology for improving the floatability and feeling of use of a cosmetic composition with good cosmetic retention in terms of function, including a polymer that restores shape.

However, these techniques are not sufficient to increase the duration of makeup by the initial application properties alone, and the self-restoring properties of the film-forming agent are rather serious, causing gelling due to associativity, reducing the floating properties, and forming a thick film or smearing makeup on the skin. There is a problem that it can interfere with makeup maintenance.

Republic of Korea Patent Publication No. 10-1845969 Republic of Korea Patent Publication No. 10-2019-0003501

Therefore, the problem to be solved by the present invention is to weaken the associative properties of the polymer and improve the spreadability to form a thinner and more uniform coating film when applied on the skin, thereby increasing the adhesion of the makeup to be applied next and increasing the makeup durability. An object of the present invention is to provide a cosmetic composition.

The present invention relates to a cosmetic composition comprising PEG-240/HDI copolymer bis-decyltetradeceth-20 ether (PEG-240/HDI copolymer Bis-decyltetradeceth-20 ether). More specifically, a) PEG- Using 240/HDI copolymer bis-decyltetradeceth-20 ether, b) sodium acrylate starch, c) caprylyl methicone, d) macadamia seed oil It relates to a cosmetic composition that forms a thinner and more uniform coating film when applied on the skin, thereby increasing the adhesion of the makeup to be applied next, thereby increasing makeup durability.

The present invention relates to PEG-240/HDI copolymer bis-decyltetradeceth-20 ether 0.1 to 10% by weight, sodium polyacrylate starch 0.01 to 5% by weight, caprylylmethicone 1 to 15% by weight, and macadamia seeds It relates to a cosmetic composition comprising 1 to 20% by weight of oil.

More preferably, the present invention is PEG-240/HDI copolymer bis-decyltetradeceth-20 ether 0.1 to 4% by weight, sodium polyacrylate starch 0.01 to 1% by weight, caprylylmethicone 1 to 5% by weight %, and 1 to 10% by weight of macadamia seed oil.

The present invention relates to a cosmetic composition that is used before use of makeup cosmetics to improve adhesion of makeup cosmetics to increase makeup durability.

The term "makeup" or "makeup cosmetics" of the present invention can be broadly divided into base makeup cosmetics used for the skin and point makeup cosmetics used for eyes, eyebrows, lips, etc., the former being powder, foundation, cheek touch, etc. The entire face is decorated with natural flesh color to create a three-dimensional effect and transparency, and the latter means highlighting the impression with eyeshadow, mascara, artificial eyelashes, eyebrow ink, eyeliner, and lipstick. The term "makeup cosmetics" of the present invention may be used in the same concept as the term "color cosmetics".

As used herein, the term "basic cosmetics" includes creams, emulsions, lotions, and packs that are the basis of cosmetics. In addition, it refers to all cosmetics that are the most basic for making healthy and beautiful skin, such as face wash, soap, and powder. Basic cosmetics are for maintaining beautiful skin at all times, so they are important cosmetics that serve as the basis for an efficient method of makeup.

PEG-240/HDI copolymer bis-decyltetradeceth-20 ether and sodium polyacrylate starch, two polymers, and two additional oils (caprylyl methicone, macadamia seed oil) were combined to form two oils. Sodium polyacrylate starch prevents aggregation between the hydrophilic parts of the polymer by reducing the associative ability between the lipophilic parts of the polymer to improve the spreadability and spreadability of the polymer. Thus, it is applied thinner and more uniformly on the skin to form a thin and uniform cosmetic film. The cosmetic film thus formed has high powder affinity due to the unique lipophilic fragmentation chain of PEG-240/HDI copolymer bis-decyltetradeceth-20 ether. It increases the adhesion of the next makeup to be applied and helps the makeup to be received and maintained for a long time. At the same time, it forms a thin, flexible and soft film, which helps to apply the makeup more evenly, thereby increasing the effect of receiving makeup well.

The cosmetic composition of the present invention is useful to increase the adhesion of makeup to help make-up better and to keep it for a long time, and at the same time to form a thin, flexible and soft film to help with more uniform application of makeup, thereby enhancing the effect of receiving makeup well. can be used

Hereinafter, examples and the like will be described in detail to help the understanding of the present invention. However, the embodiments according to the present invention may be modified in various other forms, and the scope of the present invention should not be construed as being limited to the following examples. The embodiments of the present invention are provided to more completely explain the present invention to those of ordinary skill in the art to which the present invention pertains.

Preparation of Examples and Comparative Examples

The cosmetic composition (PEG-240/HDI copolymer bis-decyltetradeceth-20 ether/sodium polyacrylate starch/caprylyl methicone/macadamia seed Basic cosmetics and color cosmetics with or without oil) were prepared. The following A represents the basic cosmetic comprising the cosmetic composition, the following B represents the basic cosmetic without the cosmetic composition, the following C represents the color cosmetics including the cosmetic composition, the following D represents the cosmetic composition It represents the color cosmetics which do not contain.

Basic cosmetic A containing composition
(weight%) Basic cosmetic B without composition
(weight%) Purified water to 100 to 100 Disodium EDIT 0.02 0.02 1,3-butylene glycol 5 5 PEG-240/HDI copolymer bis-decyltetradeceth-20 ether 0.2 0 Sodium Polyacrylate Starch 0.05 0 Carbomer 0.2 0.2 tromethamine 0.2 0.2 caprylyl methicone 3 0 Macadamia Seed Oil 5 0 argan oil 5 5 dimethicone 10 10 Glyceryl Monostearate 6 6

Color cosmetics including composition C
(weight%) Color cosmetics D without composition
(weight%) Cyclopentasiloxane to 100 to 100 Cetyl PG / PG-10/1 dimethicone 2 2 Purified water 30 30 Butylene Glycol 5 5 Sodium Polyacrylate Starch 0.05 0 PEG-240/HDI copolymer bis-decyltetradeceth-20 ether 0.2 0 Bis-ethylhexyloxyphenol methoxyphenyltriazine 2.5 2.5 Diethylaminohydroxybenzoylhexylbenzoate 3 3 Ethylhexylmethoxycinnamate 7.5 7.5 caprylyl methicone 3 0 Macadamia Seed Oil 5 0 mineral oil 2 2 Dicaprylyl Carbonate 9 9 titanium dioxide 5 5 iron oxide 0.5 0.5

Experimental Example 1. Sensory evaluation of cosmetics

Experimental group X evaluated the feeling of use after using the basic cosmetic A including the cosmetic composition and the color cosmetic D not including the cosmetic composition together.

Control Y evaluated the feeling of use after using the basic cosmetic B without the cosmetic composition and the color cosmetic C containing the cosmetic composition together.

The evaluation was conducted as a questionnaire on a 5-point scale (higher is more satisfactory), and after 3 days of use, each subject felt whether the next makeup was not slippery, whether the color makeup was well received, whether the skin texture was neat, and whether the skin was tight. The sensory evaluation of the feeling of use, including The results are shown in Table 3 below.

X experimental group
= Cosmetics A + D Y control
= Cosmetic B + C No next makeup push 4.21 3.1 Good color makeup 4.18 3.28 skin texture is cleared 3.97 3.27 skin tightness 4.15 3.24

(n=12)

As shown in the above results, in the case of Experimental Group X, the average score of 4.21 points for no makeup, 4.18 points for good color makeup, 3.97 points for skin texture, and 4.15 points for skin adhesion were obtained on average. In the case of control group Y, on average, there was no slippage of the next make-up at 3.1 points, the color makeup was well received at 3.28 points, the skin texture was smoothed at 3.27 points, and the skin adhesion was 3.24 points.

In all items, the experimental group X showed higher values than the control group Y, which means that the cosmetic composition included in the basic cosmetics is applied on the skin to form a thin film in close contact with the skin, and the color makeup is well adhered thereto. However, in the case of control group Y, the adhesion of the basic cosmetics is low, so it is judged that even if color makeup is applied over it, the color makeup and skin have a feeling of running out and there is a tendency to slip.

In addition, a film is formed on the skin only when the composition is used on the basic cosmetic side, and when the composition is used on the color cosmetic side, a color makeup film is formed, but the underlying cosmetics under it do not hold the color makeup film sufficiently, so the adhesion is poor. The jungle showed more severe results.

Claims (2)

A cosmetic composition comprising PEG-240/HDI copolymer bis-decyltetradeceth-20 ether, sodium polyacrylate starch, caprylyl methicone, and macadamia seed oil as active ingredients. The cosmetic composition according to claim 1, wherein the composition is used before use of the makeup cosmetics to improve the adhesion of the makeup cosmetics to increase the makeup durability.