KR100239186B1 - Lip-care compositions - Google Patents

Abstract

The present invention relates to a lip cosmetics having enhanced moisturizing properties, safety, color sustainability, color coloring ability, soft feeling and stability, and contains a moisturizing component and a silicone component to enhance moisturizing properties, color sustainability, color coloring ability and soft feeling. In this case, the moisturizing component is contained in the form of W / O type emulsifying base emulsified with the useful components of the lipstick and W / O type by using a water-soluble polymer, so that the amount of the emulsifier that may cause skin irritation can be minimized and is safe. In addition, the content of the moisturizing component can be freely adjusted according to the purpose of use by adjusting the content of the emulsifying base, and by using a water-soluble polymer having excellent water retention ability, there is an advantage that the moisture retention can be maintained for a long time. In addition, since it contains a silicone component consisting of a silicone wax, a silicone oil, a silicone polymer, and a silicone emulsifier together with the W / O type emulsion base, emulsification instability due to the property that silicones are not mixed with the aqueous component or the oil-soluble component contained in the composition. Can solve the problem.

Description

Lip cosmetic composition

The present invention relates to a lip cosmetic composition having excellent moisturizing properties, safety, color sustainability, color developing ability, soft feeling and stability. More specifically, the moisturizing component is used as a useful component of a lipstick and a W / O type using a water-soluble polymer. An emulsified W / O type emulsion base and a lip cosmetic composition containing a silicone component comprising a silicone wax, a silicone oil, a silicone polymer and a silicone emulsifier.

Lipstick, a representative lip cosmetic, gives moisture and color to the lips to make it look beautiful and healthy, and also protects the skin. Various nutrients, organic and inorganic pigments useful for skin for oily substances such as animal and vegetable waxes and ester oils. It is made into a homogeneous mixture in which it is dispersed.

However, the above-mentioned ordinary lipstick may give a soft feeling and gloss, but there is a problem of color staining or poor sustainability. To solve this problem, volatile oil or oil-soluble polymer is used, but it causes another problem that the lips become dry. I was.

Therefore, petroleum jelly (patrolatum), lanolin wax, lanolin derivatives, and the like have been used for the purpose of moisturizing, and recently, various ingredients such as glycerin, propylene glycol, water, etc. have been added to the lipstick using various emulsifiers.

However, some of the raw materials contained for moisturizing purposes adversely affect the product due to the characteristics of the raw materials themselves. For example, the compatibility between lipstick components is so poor that oil may be separated from the lipstick, making the stick dirty, and the addition of water-soluble components reduces the hardness of the stick, Risk of skin irritation due to emulsifiers. In addition, due to the insufficiency of the emulsification technique, the amount of water-soluble components for moisturizing purposes added to the lipstick has been limited.

Accordingly, the present inventors solve the problems of the prior art described above, there is no problem such as oil separation or hardness decrease, and to provide a safe, moisturizing lip cosmetics by minimizing the amount of emulsifier As a result, when the moisturizing ingredients are emulsified with the useful ingredients of lipstick and W / O (water-in-oil) type using water-soluble polymer, it was found that the above object can be achieved. , "W / O type emulsion base for improving moisturizing lip cosmetics and lip cosmetic composition containing the same" has been filed under the name of the invention (Patent Application No. 97-32413).

Furthermore, the present inventors use the W / O type emulsifying base as described above to improve the color persistence, color development power, and soft feeling of the lip cosmetics having improved moisture retention and safety, and are used in cosmetics for improving color persistence and usability. Silicone components such as silicone waxes, volatile silicone oils and silicone polymers that have been used have been introduced. However, silicones have a problem in that they are not mixed with the water-soluble component or the oil-soluble component used in the lip cosmetics, and thus there is a problem in the stability of the product.

Accordingly, the present inventors make a W / O type emulsion base emulsifying the oil-soluble components of the lipstick and the W / O (water-in-oil) type by using the water-soluble polymer, and putting it in an oil phase, and then adding silicone wax, silicone oil, When emulsifying the silicone component consisting of silicone polymer and silicone emulsifier in this oil phase, the present inventors have found that it is possible to provide a stable lip cosmetic composition while enhancing moisturizing property, safety, color sustainability, color coloring ability and soft feeling. .

Accordingly, it is an object of the present invention to provide a lip cosmetic composition with improved moisturizing properties, safety, color persistence, color development, soft feeling and stability.

In order to achieve the above object, the lip cosmetic composition of the present invention is characterized in that it contains 1.0 to 20% by weight of the W / O type emulsion base and 1.0 to 50% by weight of the silicone component.

In the lip cosmetic composition of the present invention, the W / 0 type emulsifying base includes one or more moisturizing ingredients selected from the group consisting of glycerin, hyaluronic acid, propylene glycol, butylene glycol, ceramide, polyethylene glycol and water; Agar, cellulose gum, bentonite, carbopul, hydroxyethylcellulose, hydroxymethylcellulose, hydroxypropylcellulose, polyvinyl alcohol, polyvinylacetate, polyvinylpyrrolidone, pectin 10 to 70% by weight of a mixture with at least one water-soluble polymer selected from the group consisting of starch and xantan gum, 2.0 to 20% by weight wax, 20 to 60% by weight oil and 0.5 to 10% by weight emulsifier It is characterized by containing.

Hereinafter, the W / O type emulsion base used for the lip cosmetic composition of the present invention will be described in more detail.

The content of the moisturizing component in the W / O type emulsion base of the present invention is in the range of 1.0 to 99% by weight, preferably 80 to 90% by weight. In addition, the content of the water-soluble polymer is in the range of 1.0 to 10% by weight, preferably 0.5 to 3.0% by weight based on the mixture with the moisturizing component. In addition, the mixture of the moisturizing component and the water-soluble polymer is blended in an amount of 10 to 70% by weight, preferably 35 to 55% by weight based on the total weight of the emulsified base.

Waxes that can be used in the emulsifying base of the present invention are not particularly limited as waxes used in cosmetic compositions, and specific examples thereof include candelillan wax, beeswax, carbanau lead, paraffin lead, lead wax, ceresin, and microcrystals. Lean lead etc. may be enumerated. Waxes are blended in an amount of 2.0 to 20% by weight, preferably 4.0 to 8.0% by weight, based on the total weight of the emulsified base.

The oils that can be used for the emulsifying base in the present invention are not particularly limited as oils used in the lip cosmetic composition, preferably hydrocarbon oils or ester oils can be suitably used. Specific examples include glycerin tri-2-ethylhexyl acid, castor oil, liquid paraffin, caprylic / capric triglycerides, triglycerides, myritic myristyl, octadodecanol, diisostearyl malate (diisostearyl malate), etc. can be mentioned. The oils are blended in an amount of 20 to 60% by weight, preferably 35 to 55% by weight relative to the total weight of the emulsified base.

As an emulsifier that can be used in the W / O type emulsion base of the present invention, it is preferable to use an emulsifier having a relatively low HLB value. Specific examples thereof include sorbitan isostearate and sorbitan oleate. ), Sorbitan sesquioleate, sorbitan stearate, and the like, among which sorbitan isostearate or sorbitan sesquioleate is most preferred in terms of emulsion stability. The emulsifier is blended in an amount of 0.5 to 10% by weight, preferably 3.0 to 6.0% by weight relative to the total weight of the emulsified base.

The W / O type emulsion base having the above composition is blended in an amount of 1.0 to 20% by weight, preferably 5.0 to 20% by weight based on the total weight of the lip cosmetic composition.

Therefore, the lip cosmetic composition of the present invention can be freely adjusted to suit the purpose of use by adjusting the content of the moisturizing base by using the emulsion base stabilized in the emulsion state, the primary content, and a separate secondary It can be added by simple compounding without emulsification. In addition, the moisturizing ingredients in the emulsified base according to the present invention are present in an encapsulated state by the water-soluble polymer, and thus there is no problem that the lipstick appearance deteriorates over time or the stick hardness decreases. It is safe because the amount of emulsifier of concern for stimulation can be minimized as much as possible. In addition, by using a water-soluble polymer excellent in water retention capacity, moisture retention lasts for a long time. In addition, it is possible to obtain a long lasting effect of color by forming a film by the water-soluble polymer.

On the other hand, in the lip cosmetic composition of the present invention, the silicone component used to enhance color persistence, color development and soft feeling is composed of silicone wax which is solid at room temperature, silicone emulsifier for emulsifying it, silicone oil and silicone polymer.

The type of silicone wax in the silicone component used in the present invention is not particularly limited, but is, for example, stearyl dimethicone, C _{24 to 28} alkyl methicones, behenoxy dimethicone, stearoxy dimethicone (stearoxy dimethicone), a mixture of stearoxy trimethyl silane (and stearyl alchol), stearoxymethicone / dimethicone copolymers, of which the melting point is similar to the body temperature 28 It is most preferred is a stearoxymethicone / dimethicone copolymer, which is ˜36 ° C., has excellent compatibility with other oils, and can prevent hardness degradation due to the use of silicone oil. The silicone wax is formulated in an amount of 1.0 to 30% by weight, preferably 5.0 to 20% by weight, based on the total weight of the silicone component.

Silicone oils that can be used in the present invention include dimethyl polysiloxane, cyclomethicone, volatile hydrocarbon oils such as C _10-11 isoparaffin or isododecane. Silicone oils contain one or more oils of the above kind in an amount of 1.0 to 40% by weight, preferably 5 to 20% by weight, based on the total weight of the silicone component.

As the silicone polymer, a polymer in which ethyl polysilonic acid and methyl polysiloxane are cross linked at a weight ratio of 2 to 3: 7 to 8 is used in an amount of 1.0 to 20% by weight. As the silicone emulsifier, 0.5-10 wt%, preferably 1.0-5.0 wt% of one selected from a mixture of cyclomethicone and dimethicone copolyol, cetyl dimethicone copolyol, and lauryl methicone copolyol is used. .

Hereinafter, the structure and the effect of the present invention will be described in more detail with reference to Examples and Test Examples. The embodiments are exemplified to help the understanding of the configuration of the present invention, and the present invention is not limited to these embodiments.

<Examples 1-4> W / O-type emulsified base

ingredient Example 1 Example 2 Example 3 Example 3 Agar I mixture ­ 5.0 ­ 10.0 2. starch 10.0 5.0 ­ ­ 3. Cellulose gum ­ ­ 20.0 ­ 4. Glycerin 50.0 40.0 80.0 ­ 5. Water 40.0 ­ ­ 90.0 6. Butylene Glycol ­ 50.0 ­ ­ sub Total 100 100 100 100 a. I mixture 50.0 50.0 50.0 50.0 b. Tri-2-ethylhexyl glycerine to 100 to 100 to 100 to 100 c. Beeswax 5.0 5.0 ­ 5.0 d. Ceresin 5.0 ­ 5.0 e. antiseptic q.s q.s q.s q.s f. Sorbitan sesquioleate q.s q.s q.s q.s

<Manufacturing method>

(1) The raw materials 1-6 were weighed and heated to 80-90 degreeC, and then stirred and dissolved to form mixture I.

(2) The raw materials b to e were weighed out and heated and dissolved at 75 to 80 ° C.

(3) The mixture I obtained in (1) was added to (2) by weighing 50%, and then mixed and emulsified using a homogener while gradually adding f. After emulsifying for 5 to 10 minutes, the emulsified state was confirmed.

(4) After cooling with a paddle mixer to 30 ° C with gentle stirring, it was stored at room temperature.

<Example 5 and Comparative Examples 1-2> Lipstick

ingredient Example 5 Comparative Example 1 Comparative Example 2 1. Candelilla Wax 10.0 10.0 10.0 2. Bees wax 5.0 5.0 5.0 3. Lanolin ­ ­ 5.0 4. Polyglyceryl-2-triisostearate - ­ 20.0 5. Caprylic / Capric Triglycerides 20.0 20.0 20.0 6. Castor oil to 100 to 100 to 100 7. W / O type emulsion base (Example 1) 10.0 10.0 ­ 8. Glycerin - ­ 7.0 9. Water - ­ 2.0 10. Sorbitan Sesquioleate ­ ­ 1.0 11. Cyclomethicone 20.0 ­ 20.0 12. Stearoxymethicone / Dimethicone Copolymer 5.0 ­ 5.0 13. Polymers crosslinked with ethylpolysiloxane (20-30%) / methylpolysiloxane (70-80%) 2.0 ­ 2.0 14. Silicone Emulsifier 3.0 ­ 3.0 15. Pigment 20.0 20.0 20.0 16. Spices q.s q.s q.s

<Manufacturing Method> Example 5 and Comparative Example 1

(1) The raw materials 1-2 were weighed and heated to 80-90 ° C. and then dissolved.

The raw materials 3-6 were weighed in (2) (1), and it heated at 75-80 degreeC, and stirred and melted.

(3) The raw material 7 was weighed into and dispersed in (2).

(4) The raw material 15 was weighed into (3) and dispersed.

(5) The raw materials 11-14 were weighed and stirred with an Agi-mixer while heating to 40-50 degreeC.

(5) was put into (6) and (4), and it stirred and emulsified.

(7) (6) was filtered through a 100 mesh filter cloth, and the raw material 16 was added and stirred.

<Manufacturing method> Comparative Example 1

(1) The raw materials 1-2 were weighed and heated to 80-90 ° C. and then dissolved.

The raw materials 3-6, 8-14 were weighed in (2) (1), and it heated at 75-80 degreeC, and was stirred and dissolved.

Raw material 15 was weighed into (2) and (2), and it was made to disperse | distribute.

(4) (3) was filtered through a 100 mesh filter cloth, and the raw material 16 was added and stirred.

<Test Example 1> moisturizing function

The capacitance inside the skin was measured using a corneometer CN 820, and then converted into moisture according to the Dermascan Method of Equation 1 below.

After the skin was kept at a constant temperature and humidity in a constant temperature and humidity chamber, the capacitance before and after applying the samples of Example 5 and Comparative Examples 1 and 2 was measured. The results are shown in Table 1.

Moisturizing power (%) = {(Tdi-TdO)-(NTdi-NTdO)} / ((NTdi-NTdO) + TdO}

Food,

Tdi is the nth measurement at the sample application site

TdO is the measured value before applying the sample at the sample application site

NTdi is the mth measurement at the unapplied area

NTdO is the measured value before application of the sample at the unapplied area.

Example 5 Comparative Example 1 Comparative Example 2 Change rate of skin moisture (before use) 0% 0% 0% Change rate of skin moisture (after 2 hours) 6% -2% One% Change rate of skin moisture (after 3 hours) 4% -6% 0%

From Table 1, the lipstick of the present invention containing a W / O type emulsified base obtained by emulsifying the moisturizing component into a W / O type using a water-soluble polymer has a moisturizing effect compared to Comparative Example 1 containing only a W / O type emulsified base. It can be seen that very good. Moreover, compared with the comparative example 2 which mix | blended the moisturizing component and the silicone component directly with a lipstick, moisture retention property improved.

Test Example 2 Color Persistence

After 3 minutes of application to the skin was taken with a tissue three times to measure the color remaining on the skin.

The measurement method was L ^* , a ^* , b ^* by using the spertrograd II color system (gardner), and then converted into hue, brightness, and saturation for easy interpretation. The results are shown in Table 2. In the table, brightness means brighter numbers, and saturation means sharper numbers.

Example 5 Comparative Example 1 Comparative Example 2 color brightness saturation color brightness saturation color brightness saturation Immediately after application 4.1 3.7 12.0 4.0 3.7 12.0 4.1 3.7 12.0 3rd time 4.1 3.7 12.0 4.0 3.8 11.9 4.1 3.7 12.0 6th 4.1 3.8 12.0 3.9 3.8 11.7 4.1 3.8 11.9 9th 4.1 3.8 12.0 3.7 3.9 11.7 3.9 3.9 11.8 12th 4.1 3.8 12.0 3.5 4.0 11.6 3.8 3.9 11.6 15th 4.1 3.8 11.9 3.5 4.0 11.6 3.7 4.0 11.6

As can be seen from Table 2, the lipstick of the present invention has almost no color change, while the lipstick of the comparative example has a high brightness and a high degree of blurring. Therefore, the lipstick of the present invention was excellent in color persistence.

In addition to the above test results, the lipstick of the present invention also showed satisfactory results in tests on skin safety and stability as products.

Test Example 3 Skin Safety

In order to evaluate the skin safety, haye's chamber (15 μl) was applied to the dorsal area of 42 test subjects and then removed 48 hours later and observed up to 96 hours. The evaluation method is in accordance with ICDRG regulations.

Example 5 Comparative Example 1 Comparative Example 2 Reaction degree (%) 0 0 0.2

As can be seen from Table 3, both the lip cosmetics of Example 5 and Comparative Example 1 used a W / O type emulsion base stabilized in the emulsification state to minimize the amount of emulsifier, and thus obtained a fairly good result in terms of skin safety. .

<Test Example 4> Stability of the stick

After storing each sample at 30 ℃, read and record the scale when cutting the sample by using rheometer (CR-200D). When measuring hardness, the speed was set to 20 mm / minute, and the cutting length was set to 20 mm.

Example 5 Comparative Example 1 Comparative Example 2 Longitude (after 1 day) 120 123 88 Longitude (after 1 month) 123 125 92

Table 4 shows that when the water-soluble component and the silicone component are directly mixed with the lipstick (Comparative Example 2), since the silicone component and the moisturizing component are not mixed, the emulsion is unstable and the hardness is low.

Test Example 5 Oil Separation of Sticks (Perspiration)

Each test product was stored at 30 ° C. for 24 hours, and the degree of sweating after a predetermined time at 45 ° C. was evaluated. In the evaluation method, 10 evaluators gave relative scores as follows and recorded the average value.

Example 5 Comparative Example 1 Comparative Example 2 1 hour later 0 3 5 2 hours later 0 3 5 4 hours later 0 2 4 8 hours later 0 One 3 12 hours later 0 0 2 24 hours later 0 0 0 No sweating phenomenon: 0 points of extremely small amount (less than 10% of the surface area): 1 point of slight occurrence (30% or less of the surface area): 2 points normal (50% or less of the surface area): 3 points or more (70% or less of the surface area) ): 4 points Very severe (over 70% of surface area): 5 points

As can be seen from Table 5, when the water-soluble component and the silicone component were directly mixed in the lipstick base (Comparative Example 2), the phenomenon of sweating worsened due to poor compatibility between the water-soluble component and the silicone component.

Since the lip cosmetics according to the present invention contain a moisturizing component in the form of a W / O type emulsifying base emulsified with the useful components of the lipstick and a W / O type using a water-soluble polymer, the amount of the emulsifier that may cause skin irritation may be increased. It is safe because it can be minimized, and the content of the moisturizing ingredient can be adjusted freely according to the purpose of use by adjusting the content of the emulsifying base, and there is an advantage that the moisture retention can be maintained for a long time by using a water-soluble polymer having excellent water retention ability. . In addition, since it contains a silicone component consisting of a silicone wax, a silicone oil, a silicone polymer, and a silicone emulsifier together with the W / O type emulsion base, emulsification instability due to the property that silicones are not mixed with the aqueous component or the oil-soluble component contained in the composition. Can solve the problem.

Claims (5)

In the lip cosmetic composition, At least one moisturizing component selected from the group consisting of glycerin, hyaluronic acid, propylene glycol, butylene glycol, ceramide, polyethylene glycol and water; 10 to 70% by weight of a mixture of at least one water-soluble polymer selected from the group consisting of agar, hyaluronic acid, cellulose gum, hydroxyethylcellulose, pectin, starch and xanthan gum, 2.0 to 20% by weight wax, 20 to 60 oil 1.0 to 20% by weight of a W / O type emulsified base containing a weight%, an emulsifier 0.5 to 10% by weight and a preservative 0.05 to 0.2% by weight, 1.0-30 wt% silicone wax, 1.0-40 wt% silicone oil, 1.0-20 wt% silicone polymer crosslinked with ethyl polysilonic acid and methylpolysiloxane in a weight ratio of 2-3-3: 7-8 and silicone emulsifier Lip cosmetic composition comprising 1.0 to 50% by weight of the silicone component consisting of 0.5 to 10% by weight. The lip cosmetic composition according to claim 1, wherein the water-soluble polymer is used in an amount of 0.1 to 10% by weight based on the mixture with the moisturizing component. The method of claim 1, wherein the silicone wax is stearyl dimethicone, C _24-28 alkyl methicones, behenoxy dimethicone, stearoxy dimethicone, stearoxytrimethylsilane and stearyl alcohol Lipis composition, characterized in that at least one selected from a mixture of stearoxy trimethyl silane (and stearyl alchol) and stearoxy methicones / dimethicone copolymers. According to claim 1, wherein the silicone oil is a lip cosmetic composition, characterized in that at least one selected from dimethylpolysiloxane, cyclomethicone, C _10-11 isoparaffin and isododecane. The lip cosmetic composition of claim 1, wherein the silicone emulsifier is at least one selected from a mixture of cyclomethicone and dimethicone copolyol, cetyl dimethicone copolyol, and lauryl methicone copolyol.