JP2003171233A - Lipstick composition - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a lipstick composition which has excellent dispersibility of titanium oxide-coated platy inorganic powder and red iron oxide pigment, clear pearly feeling of appearance and excellent touch in application. <P>SOLUTION: This lipstick composition comprises (A) 0.1-20 wt.% of a partially crosslinked polyoxyalkylene-modified organopolysiloxane, (B) 0.5-20 wt.% of titanium oxide-coated platy inorganic powder and (C) 0.1-10 wt.% of red iron oxide pigment. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lipstick composition having a clear pearly feel on the surface of a lipstick and an excellent feel when applied.

[0002]

2. Description of the Related Art For lipsticks, a glittering material called a pearlescent agent is used in order to impart a glittering feeling (pearly feeling) and make the stick of the lipstick look attractive. For example, titanium oxide coated mica is a typical pearlescent agent. The fact that this pearly feeling is clear when looking at the lipstick stick gives the lipstick a great appeal as a product. Conventionally,
In order to make the pearly feeling on the surface of the stick clear, a pearlescent agent having a large particle size is used or a large amount of pearls is used. However, if the pearly feeling on the surface of the stick is made clear by such a method, there is a problem that when applied, a rough feeling due to the pearlescent agent is generated and the applied feeling is significantly deteriorated.

Further, when a pearlescent agent and red iron oxide are used in combination, contrast can be obtained and the pearly feeling can be enhanced, but especially red iron oxide is poor in dispersibility in the lipstick base and is sufficient. There is a problem that the pearly feeling cannot be obtained or the pearly feeling becomes uneven.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a lipstick composition which has good pigment dispersibility, has a clear pearly feel in stick appearance, and has an excellent feel during application. .

[0005]

The present inventors have used titanium oxide-coated plate-like inorganic powder as a pearling agent, combined it with a red iron oxide pigment, and further prepared a partially crosslinked polyoxyalkylene-modified polyorganosiloxane. It has been found that by using it, a lipstick composition having good dispersibility of the pearlescent agent and red iron oxide, a clear pearly feeling of stick appearance, and an excellent feel without being roughened during application can be obtained.

The present invention comprises the following components (A), (B) and (C): (A) 0.1-20% by weight of partially crosslinked polyoxyalkylene-modified organopolysiloxane, (B) titanium oxide coated plate A lipstick composition comprising 0.5 to 20% by weight of an inorganic powder and 0.1 to 10% by weight of a red iron oxide pigment (C).

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The partially crosslinked polyoxyalkylene-modified organopolysiloxane of component (A) must be a crosslinked product. With a polyoxyalkylene-modified organopolysiloxane that is not a crosslinked product, the effect of clarifying the pearly feeling cannot be obtained. Further, even in the case of partially crosslinked organopolysiloxane having no hydrophilic group, the effect of making the pearly feeling clear cannot be obtained.

The partially crosslinked polyoxyalkylene-modified organopolysiloxane of component (A) preferably has a three-dimensional network structure with covalent bonds in the molecule. Specifically, at least one of the raw materials has a polyoxyalkylene group. It is obtained by addition-polymerizing the organohydrogenpolysiloxane and a compound containing an aliphatic unsaturated group (preferably a vinyl group or a terminal unsaturated alkenyl group). For example, silicone polymers described in JP-A-4-272932, JP-A-5-140320, JP-A-9-136813 and the like can be mentioned. Among these, the organohydrogenpolysiloxane represented by the following general formula (1) and / or the general formula (2), and the polyoxyalkylene dialkenyl ether represented by the following general formula (3) and / or the general formula ( A silicone polymer obtained by addition-polymerizing the organopolysiloxane represented by 4) as a polymerization component and the component represented by the general formula (1) and / or the general formula (3) as an essential polymerization component. Is preferred.

R ¹ _a R ² _b H _c SiO _{(4-abc) / 2} (1) R ¹ _j H _k SiO _{(4-jk) / 2} (2) C _m H _2m-1 O (C ₂ H ₄ O) _p (C ₃ H ₆ O) _q C _m H _2m-1 (3) R ¹ _d R ³ _e SiO _{(4-de) / 2} (4)

[Wherein R ¹ is the same or different substituted or unsubstituted monovalent alkyl group having 1 to 30 carbon atoms, aryl group, aralkyl group or halogenated hydrocarbon group,
R ² represents an organic group represented by the general formula: —C _n H _2n O (C ₂ H ₄ O) _f (C ₃ H ₆ O) _g R ⁴ , and R ³ represents a terminal vinyl group having 2 to 10 carbon atoms. monovalent represents a hydrocarbon group, R ⁴ is a saturated organic group, or R ⁵ C10 hydrogen atom or a carbon - (CO) - represents a group represented by, R ⁵ is saturated C1-5 Indicates an organic group. Also, a,
b, c, d, e, j, and k are 1.0 ≦ a ≦ 2.
5, 0.001 ≦ b ≦ 1.0, 0.001 ≦ c ≦ 1.
0, 1.0 ≦ d ≦ 3.0, 0.001 ≦ e ≦ 1.5,
1.0 ≦ j ≦ 3.0 and 0.001 ≦ k ≦ 1.5. Further, f and p are integers of 2 to 200, and g and q are 0 to
An integer of 200, f + g is 3 to 200, and p + q is 3 to 20.
0 and m and n are 2-6. ]

The above-mentioned silicone polymer may further have at least one monovalent alkyl group, aryl group, aralkyl group or halogenated hydrocarbon group having 4 to 30 carbon atoms in the organopolysiloxane part. Of these, those having an alkyl group are preferable, and particularly those having 4 to 2 carbon atoms.
Those having an alkyl group of 0 or 10 to 18 carbon atoms are preferable. The silicone polymer having these groups has good dispersibility in a hydrocarbon oil agent.

Component (A) is a silicone oil,
Those dispersed in a hydrocarbon oil agent or the like are preferable, and commercially available products include KSG21, 31, 3 manufactured by Shin-Etsu Chemical Co., Ltd.
2,33 etc. can be used conveniently. Particularly, those dispersed in hydrocarbon oil such as paraffin are preferable.

Component (A) is contained in an amount of 0.1 to 20% by weight, preferably 1 to 20% by weight, particularly preferably 5 to 5% by weight based on the total composition.
10% by weight is contained. Within this range, the pearly feeling can be sufficiently made clear. If it is less than 0.1% by weight, the effect of clearing the pearly feeling cannot be sufficiently obtained, and
When the content is more than 10% by weight, the lipstick feels heavy.

In the plate-shaped inorganic powder coated with titanium oxide as the component (B), the plate-shaped inorganic powder is not particularly limited, and examples thereof include mica, talc, sericite, glass powder, silica, alumina and aluminum. In particular, mica, sericite, synthetic phlogopite and glass powder are preferable. Titanium oxide as a coating material may contain iron oxide, tin oxide, silica, etc., if necessary. For example, iron oxide / titanium oxide coated mica and titanium oxide / silica multiple coated mica can also be preferably used. Further, if necessary, a fluorine compound such as perfluoroalkyl phosphoric acid,
It can be used after being surface-treated with a silicone compound such as methyl hydrogen polysiloxane.

The particle size of component (B) is not particularly limited,
The thickness of 0.5 to 100 μm is preferable in terms of usability. In addition, as commercially available products of component (B), thymilone super red, thymilone super blue, thymilone super gold, thymilone MP-1001 super scene,
Examples include colorolona bright gold, colorolona red gold (all manufactured by Merck), flamenco super pearl, flamenco orange (all manufactured by Engelhart).

The component (B) has a good feeling in use and fully exhibits a pearly feeling, and is 0.5 to 20% by weight in the whole composition.
It is preferably contained in an amount of 1 to 10% by weight. If it is less than 0.5% by weight, a clear pearly feeling cannot be obtained, and if it exceeds 20% by weight, it is rough during application and the usability is deteriorated.

As the component (C), red iron oxide (red iron oxide) can be used as long as it is a product conforming to the cosmetic base.
Inorganic or organic powder of red iron oxide, such as mica, talc,
The content of red iron oxide is also within the range of the present invention such as those carried on the surface of sericite, glass powder, silica, alumina, titanium oxide, nylon, cellulose, PMMA, silicone resin, etc. or contained therein. If so, it can be preferably used. Further, red iron oxide can also be used after being surface-treated with a fluorine compound such as perfluoroalkylphosphoric acid or a silicone compound such as methylhydrogenpolysiloxane.

The component (C) is contained in the total composition in an amount of 0.1 to 10% by weight, preferably 1 to 5% by weight. Within this range, the effect of the pearlescent agent of the component (B) is sufficiently exhibited, and the color does not become dark during application. If it is less than 0.1% by weight, a clear pearlescent effect cannot be obtained, and if it exceeds 10% by weight, the color looks dark when applied to the lips, which is not preferable.

The lipstick composition of the present invention can be produced, for example, by adding the above-mentioned components (A) to (C) to an oily base, stirring the mixture, and putting it in a mold to mold it. Here, wax and oil are used as the oily base. As the wax, hydrocarbons which are solid or semi-solid at room temperature, fatty acid esters, triglycerides, fatty acids, higher alcohols and derivatives thereof are used, and specifically, solid paraffin, ceresin, microcrystalline wax, low molecular weight polyethylene, low molecular weight polyethylene, Molecular polyolefin, petrolatum, lanolin, beeswax, carnauba wax, candelilla wax, stearyl alcohol, lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, lanolin fatty acid, hydrogenated castor oil, 12-hydroxystearic acid, sucrose Examples thereof include fatty acid ester, dextrin fatty acid ester, aluminum dialkyl phosphate, aluminum distearate and the like.

As the oil, hydrocarbons which are liquid at room temperature,
Fatty acid ester, triglyceride, fatty acid, higher alcohol, silicone oil and derivatives thereof are used, and specifically, castor oil, olive oil, avocado oil, palm oil, cocoa oil, liquid paraffin, liquid branched paraffin, squalane, stearin. Acid butyl ester,
Myristic acid octyldodecyl ester, myristic acid isopropyl ester, lanolin fatty acid isopropyl ester, lanolin fatty acid hexyl ester, oleic acid oleyl ester, adipic acid diisopropyl ester, sebacic acid diisopropyl ester, malic acid diisostearyl, dicapric acid neopentyl glycol,
Examples thereof include isotridecyl isononanoate, glyceryl diisostearate, dimethylpolysiloxane, methylphenylpolysiloxane, dimethylcyclopolysiloxane, and methylhydrogenpolysiloxane.

Further, as the oily base, various modified silicone oils such as long-chain alkyl-modified silicone, fluoroalkyl-modified silicone, polyoxyalkylene-modified silicone, and alkyl glyceryl ether-modified silicone are used for the purpose of improving color retention and touch. It can be added and used. Of these, one or two selected from polyoxyalkylene-modified silicone oil (cosmetic label: dimethicone copolyol) and alkylglyceryl ether-modified silicone oil (eg, cosmetic label: glyceryl undecyl dimethicone) are used. ,
It is more preferable in terms of enhancing the durability.

Further, the lipstick composition of the present invention contains a coloring pigment, a dye, an extender pigment, a surfactant, an antioxidant, a fragrance,
Dyes, alcohols, polyhydric alcohols, antifouling agents, ultraviolet absorbers, moisturizers and the like can be appropriately added. The lipstick composition of the present invention preferably contains substantially no water in order to improve the feel when applied. The term "substantially free of water" means that water is not positively added other than water naturally contained in the raw material.

[0023]

Examples Examples 1 and 2 and Comparative Examples 1 to 5 Using the lipstick base having the composition shown in Table 1, stick-shaped lipsticks having the compositions shown in Table 2 were produced. About the obtained lipstick,
The pigment dispersibility in the stick, the pearly feeling of the stick surface, and the application feeling (no roughness) were evaluated. The results are also shown in Table 2.

(Production Method) Each component was weighed and placed in a stainless steel container, which was heated to melt the wax components and the like, and mixed by a stirrer until uniform. After defoaming under reduced pressure, it was poured into a mold and cooled to room temperature to obtain a stick-shaped lipstick.

(Evaluation method) (1) Pigment dispersibility in stick: A part of a lipstick stick was taken and placed on a slide glass. The slide glass was heated to dissolve the lipstick, and a cover glass was put on the slide glass to cool it to room temperature. This sample is observed with a microscope,
"X" when there are pigment aggregates excluding the above pearlescent agents,
When there was no such sample, it was marked as "○".

(2) Pearl feeling and coating feeling (non-roughness) of the stick surface: Sensory evaluation was carried out by 10 specialist panels, and the results were shown according to the following criteria. ⊚: 9 or more out of 10 answered that they were good. ○: 7 to 8 out of 10 respondents answered good. Δ: 4 to 6 out of 10 respondents answered good. X: 3 or less of 10 respondents answered good.

[0027]

[Table 1]

[0028]

[Table 2]

Example 3 (Emulsified Lipstick) (Component a) KSG31 (fluid paraffin dispersion of partially crosslinked polyoxyalkylene modified orthopolysiloxane (net content 30% by weight; manufactured by Shin-Etsu Chemical Co., Ltd.) 5 (weight%) Squalane 5 Candelilla wax 7 Ceresin 3 Fluorine emulsifier (fluorinated alkyl methacrylate / alkyl methacrylate copolymer) 5 (Component b) Perfluoropolyether (Fomblin ^TR HC / R) 50 (Component c) Titanium oxide coated mica (flamenco super) Pearl; manufactured by Engelhard Co., Ltd. 5 Red iron oxide treated with diperfluoroalkylphosphoric acid 5 Titanium mica treated with diperfluoroalkylphosphoric acid 3 Titanium oxide treated with diperfluoroalkylphosphoric acid 6 Red 202 No. 4 Spherical silica 2

(Production method) The components (a) and (c) are mixed and heated at 80 ° C. Add the component (b) while stirring with a homomixer and stir for 5 minutes. After defoaming, the mixture was poured into a mold and cooled to room temperature to obtain a stick lipstick. The obtained lipstick had good dispersibility of the pigment, a clear pearly feel of the stick appearance, and an excellent feel during application.

[0031] Example 4 (high-persistence lipstick) (component) KSG32 (Partially crosslinked polyoxyalkylene-modified organopolysiloxane) Volatile paraffin dispersion of (pure content 30% by weight; manufactured by Shin-Etsu Chemical Co., Ltd.) 5 (% by weight) Titanium oxide coated mica (Flamenco Super Green; manufactured by Engelhard) 5 Red iron oxide 2 Crosslinkable organopolysiloxane 15 Cyclic Silicone D5 30 Methylphenyl polysiloxane 5 Hydrogenated polyisobutene 3 Squalane 4 Red No. 202 3 Titanium oxide 8 Ceresin 15 Carnauba wax 5

(Production method) Solid components are mixed and heated to 80 ° C. A liquid component is added and the mixture is maintained at 60 ° C. and stirred with a homomixer. After defoaming, the mixture was poured into a mold and cooled to room temperature to obtain a stick lipstick. The lipstick obtained is
The dispersibility of the pigment was good, the pearly appearance of the stick appearance was clear, and the touch during application was excellent.

[0033] Example 5 (highly persistent lipstick) (component) KSG31 (Partially cross-linked polyoxyalkylene-modified organopolysiloxane Fluid paraffin dispersion of 30% by weight (purity 30% by weight; manufactured by Shin-Etsu Chemical Co., Ltd.) 10 (% by weight) Titanium oxide coated mica (Flamenco Super Blue; manufactured by Engelhard) 10 Red iron oxide 2 Polyethylene wax 8 Ceresin 4 Candelilla wax 3 Vaseline 5 Diisostearyl malate 12 Squalane 10 Isotridecyl isononanoate 10 Glyceryl diisostearate 10 Dimethicone copolyol 4 Glyceryl undecyl dimethicone 4 Red No. 202 3 Yellow No. 4 Al rake 2 Fine particle silica 1 Titanium oxide 2

(Production method) The respective components are mixed, heated to 80 ° C., and stirred with a mixer. After defoaming, the mixture was poured into a mold and cooled to room temperature to obtain a stick lipstick. The obtained lipstick had good dispersibility of the pigment, a clear pearly feel of the stick appearance, and an excellent feel during application. It was also highly sustainable.

[0035]

The lipstick composition of the present invention has good dispersibility of the titanium oxide-coated plate-like inorganic powder and the red iron oxide pigment, has a clear pearly appearance, and is excellent in touch during application. Is. This is particularly advantageous when the stick-shaped lipstick is used.

Continued front page    F-term (reference) 4C083 AA122 AB172 AB231 AB232                       AB241 AB242 AC012 AC022                       AC352 AC372 AC392 AC792 AC792                       AC852 AD022 AD152 AD161                       AD162 AD172 AD512 CC13                       DD11 EE03 EE06 EE07                 4J002 CP181 DA096 DE117 DE146                       DJ016 DJ046 DJ056 DL006                       FA016 FB076 FD016 FD097                       FD206 GB00

Claims (3)

[Claims] 1. The following components (A), (B) and (C): (A) Partially crosslinked polyoxyalkylene-modified organopolysiloxane                                                     0.1-20% by weight, (B) Titanium oxide coated plate-like inorganic powder 0.5 to 20% by weight, (C) Red iron oxide pigment 0.1 to 10% by weight A lipstick composition comprising: 2. The lipstick composition according to claim 1, which is in the form of a stick. 3. The lipstick composition according to claim 1, further comprising, as the component (D), one or two oily bases selected from polyoxyalkylene-modified silicone oil and alkylglyceryl ether-modified silicone oil. object.