JP2003063931A - Powder-containing cosmetics - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide cosmetics that contain a pulverulent body having excellent dispersibility in hydrocarbon-based oil, suitable for makeup cosmetics such as a foundation. SOLUTION: The cosmetics contains a powder, a hydrocarbon-based oil, and a dipolyhydroxy fatty acid polyalkyleneoxide as a dispersant of the powder.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a powder-containing cosmetic containing powder, which has good dispersibility of the powder dispersed in a hydrocarbon oil and is suitable for makeup cosmetics such as foundations. .

[0002]

2. Description of the Related Art Make-up cosmetics have a function of concealing skin color, spots, freckles, etc. and protecting skin from ultraviolet rays by containing powder. These powders are usually used by dispersing them in an oil phase or an aqueous phase together with a surfactant and the like. However, powders to be mixed with cosmetics, especially titanium oxide, have a large specific gravity and their surface has an isoelectric point, and it is very difficult to disperse them uniformly and stably in cosmetics. Technology. In particular, when powder, particularly titanium oxide, is dispersed in an oil phase mainly composed of low-polarity hydrocarbon, a phenomenon such as a pigment stripe often appears.

[0003]

DISCLOSURE OF THE INVENTION In the present invention, the above-mentioned problems are solved and a powder-containing cosmetic in which a powder, particularly titanium oxide, is uniformly dispersed in an oil phase containing a hydrocarbon-based oil component. Aimed to provide a fee.

[0004]

[Means for Solving the Problems] In order to solve the above problems, various investigations were carried out. As a result, in a powder-containing cosmetic, dipolyhydroxy fatty acid polyalkylene oxide was used as a powder dispersant, and It was found that the above problems can be solved by dispersing the powder, and the present invention has been completed.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described.

The dipolyhydroxy fatty acid polyalkylene oxide used as the powder dispersant in the present invention usually has a structure represented by the following formula. H
^{- (- O-R 1 -CO-} ) a -O [(CH 2) b -O-] c - (CO-
R ² —O—) _d —H Here, R ¹ and R ² may be the same or different, and are a chain or straight chain saturated or unsaturated hydrocarbon group having 8 to 22 carbon atoms, a is 3 to 10
, B is an integer of 2 or 3, and c is 10 to 50.
And the integer d is an integer of 3 to 10. Such dipolyhydroxy fatty acid polyalkylene oxide is known as an emulsifier for a water-in-oil emulsion composition and an oil-in-oil-in-oil emulsion composition (JP-A-11-12125). However, the use of a powder as a dispersant, particularly as a dispersant in an oil phase containing a hydrocarbon-based oil component, has not been disclosed so far.

As such dipolyhydroxy fatty acid polyalkylene oxide, it is preferable to use dipolyhydroxystearic acid polyethylene oxide (manufactured by ICI, trade name Alacell P-135).

The preferable blending amount of the polyhydroxy fatty acid polyalkylene oxide in the cosmetic of the present invention is
0.05 to 10% by weight, more preferably 0.1 to
It is 5% by weight.

The powder used in the present invention may be of any type, so long as it is a powder that can be blended with ordinary cosmetics.
Examples of such powders include mica, talc, kaolin, calcium carbonate, magnesium carbonate, silicic acid anhydride, aluminum oxide, barium sulfate, boron nitride, synthetic fluorophlogopite, iron-containing synthetic fluorophlogopite, and the like. Yellow iron oxide, black iron oxide, chromium oxide, chromium hydroxide,
Inorganic color pigments such as ultramarine, navy blue, carbon black, white pigments such as titanium oxide and zinc oxide, titanium mica, fish scale foil,
Examples include pearlescent pigments such as bismuth oxychloride, polyethylene powder, organic polymer powders such as polymethylmethacrylate, nylon powder, tar pigments for cosmetics, and surface-treated products thereof. Examples of the surface treatment include alumina treatment, chitosan treatment, polyacrylic acid treatment, silicone treatment, fluorocarbon treatment, metal soap treatment, acylamino acid treatment and the like. Among these processes,
In terms of dispersibility of the powder, use of a powder that has been treated by combining one or more treatment methods selected from alumina treatment, chitosan treatment, and polyacrylic acid treatment, or an untreated powder. Is preferred. Further, in the present invention, it is particularly effective for improving the dispersibility of titanium oxide. As such titanium oxide, it is effective regardless of particle size and particle shape. The preferable blending amount of the powder in the cosmetic of the present invention is 1 to 90% by weight.

In the cosmetic of the present invention, the powder is used by dispersing it in an oil containing hydrocarbon. The oil content is not particularly limited as long as it is an oil content that can be blended with cosmetics such as ester oil, higher alcohol, silicone oil, etc. in addition to hydrocarbons, but especially in cosmetics containing a large amount of hydrocarbon-based oil, high powder The dispersion effect of can be obtained. Such hydrocarbon-based oil components include squalane, squalene, liquid paraffin, solid paraffin, light liquid paraffin, liquid isoparaffin, light liquid isoparaffin,
Heavy liquid isoparaffin, olefin, hydrogenated olefin, polyethylene wax, synthetic hydrocarbon wax,
Examples include petrolatum, ceresin wax, microcrystalline wax, ozokerite, pristane and the like.

The preferable blending amount of oil in the present invention is
It is 10 to 90% by weight.

The powder-containing cosmetic of the present invention contains a powder dispersed in oil and can be applied to oily cosmetics and water-in-oil emulsion cosmetics. In the powder-containing cosmetic of the present invention, within a range that does not impair the effects of the present invention,
Further, various components generally used in cosmetics and the like can be blended. Examples of such components include oils, vitamins, humectants, anionic surfactants, cationic surfactants, amphoteric surfactants, preservatives, anti-inflammatory agents, whitening agents, plant extracts, cell activating agents, blood circulation agents. Accelerator, antioxidant,
Examples include antiseborrheic agents, thickeners, sequestering agents, alcohols, ultraviolet absorbers and the like.

[0013]

EXAMPLES Details of the present invention will be described with reference to examples.

[Example 1, Comparative Examples 1 to 9] Foundation for concealing stains (1) Polyethylene wax 9.00 (% by weight) (2) Vaseline 2.00 (3) Heavy liquid isoparaffin 16.00 (4) Liquid paraffin 19.76 (5) Dispersant shown in Table 1 1.00 (6) Titanium oxide 40.00 (7) Red iron oxide 0.94 (8) Yellow iron oxide 5.65 (9) Black iron oxide 0. 65 (10) Nylon powder 5.00 Manufacturing method: Components (1) to (5) are heated and melted at 90 ° C., and (6)
The ingredients (1) to (10) are added and dispersed evenly with a roller. It is melted by heating at 85 ° C., degassed, filled in a container, and cooled and solidified.

[0015]

[Table 1]

The spot-concealing foundations of Example 1 and Comparative Examples 1 to 9 were prepared and the dispersion fringes of the pigment were observed when the foundation was filled in a container. The results were evaluated as "○: no dispersion fringes are observed", "△: slight dispersion fringes of titanium oxide are recognized", "x: dispersion fringes of titanium oxide are clearly recognized", The results are shown in Table 1.

As shown in Table 1, Comparative Examples 1 to 9 in which a dispersant generally used as a pigment dispersant is blended.
In all, dispersion fringes of titanium oxide were observed. On the other hand, in the foundation for hiding spots according to Example 1 of the present invention, no dispersion fringe was observed.

Further, another embodiment according to the present invention will be shown.

Example 2 Compact type oil foundation (1) Talc 16.9 (wt%) (2) Kaolin 15.0 (3) Titanium oxide 15.0 (4) Red iron oxide 1.0 (5) Yellow iron oxide 3.0 (6) Black iron oxide 0.2 (7) Solid paraffin 3.0 (8) Microcrystalline wax 6.0 (9) Beeswax 2.0 (10) Vaseline 13.0 (11) Squalane 24.0 (12) d-δ-tocopherol 0.1 (13) dipolyhydroxystearic acid polyethylene oxide 0.8 Manufacturing method: The components (7) to (13) are heated and dissolved at 85 ° C., and (1)
The components (6) to (6) are added, uniformly dispersed by a disper, filled in a container, and solidified by cooling.

Example 3 Stick-type foundation (1) Talc 2.1 (wt%) (2) Kaolin 20.0 (3) Mica 3.0 (4) Titanium oxide 20.0 (5) Red iron oxide 1. 0 (6) Yellow iron oxide 3.0 (7) Black iron oxide 0.2 (8) Solid paraffin 3.0 (9) Ceresin wax 7.0 (10) Vaseline 15.0 (11) Liquid paraffin 17.0 (12) Isopropyl palmitate 8.0 (13) d-δ-tocopherol 0.1 (14) Dipolyhydroxystearic acid polyethylene oxide 0.5 (15) Perfume 0.1 Manufacturing method: (8) to (15) Ingredients are heated and dissolved at 90 ℃, (1)
The components (7) to (7) are added and dispersed evenly with a roller. It is melted by heating at 85 ° C., degassed, filled in a container, and cooled and solidified.

[Example 4] Water-in-oil emulsion type foundation (cream type) (1) Sericite 5.36 (wt%) (2) Kaolin 4.00 (3) Titanium oxide 9.32 (4) Red iron oxide 0 36. (5) Yellow iron oxide 0.80 (6) Black iron oxide 0.16 (7) Liquid paraffin 30.00 (8) Light liquid isoparaffin 12.00 (9) Dipolyhydroxystearic acid polyethylene oxide 4.00 (10) Purified water 26.80 (11) 1,3-butylene glycol 5.00 (12) Methyl paraoxybenzoate 0.20 (13) Sodium chloride 2.00 Manufacturing method: Powder of (1) to (6) Is added to the oil phase components (7) to (9) and dispersed uniformly with a disper. The uniformly dissolved aqueous phase components (10) to (13) are added, emulsified with a disper, degassed, and filled in a container.

[Example 5] Water-in-oil emulsion type foundation (two-layer dispersion type) (1) Talc 7.0 (% by weight) (2) Titanium oxide 12.0 (3) Silicic anhydride 2.0 (4) ) Nylon powder 4.0 (5) Red iron oxide 0.5 (6) Yellow iron oxide 1.4 (7) Black iron oxide 0.1 (8) Light liquid isoparaffin 20.0 (9) Dipentaerythritol fatty acid ester 1 5 (10) Neopentyl glycol diisooctanoate 5.0 (11) Squalane 2.5 (12) Glycerin triisooctanoate 2.0 (13) Polyethylene oxide dipolyhydroxystearate 1.5 (14) Purified water 29 0.5 (15) 1,3-butylene glycol 4.0 (16) ethanol 7.0 Production method: The powders of (1) to (7) were added to the oil phase components of (8) to (13). , Evenly disperse with a homomixer. The homogeneously dissolved aqueous phase components (14) to (16) are added, emulsified with a homomixer, degassed, and filled in a container.

[Example 6] Stick type lipstick (1) Titanium oxide 5.0 (wt%) (2) Red No. 201 0.6 (3) Red No. 202 1.0 (4) Red No. 223 0.2 (5) Microcrystalline wax 9.0 (6) Solid paraffin 8.0 (7) Beeswax 5.0 (8) Carnauba wax 5.0 (9) Vaseline 11.0 (10) Liquid paraffin 25.0 (11 ) Cetyl 2-ethylhexanoate 20.0 (12) Isopropyl myristate ester 10.0 (13) Dipolyhydroxystearic acid polyethylene oxide 0.1 (14) d-δ-tocopherol 0.1 Manufacturing method: (5) to The ingredients of (14) are dissolved by heating at 90 ° C, (1)
The ingredients (4) to (4) are added and dispersed uniformly with a roller. It is melted by heating at 85 ° C., degassed, filled in a mold, cooled and solidified, and then loaded into a container.

[Example 7] Oily paste (1) Kaolin 20.0 (% by weight) (2) Titanium oxide 5.0 (3) Red iron oxide 0.3 (4) Red 202 No. 0.5 (5) Ceresin Wax 15.0 (6) Vaseline 20.0 (7) Liquid paraffin 25.0 (8) Isopropyl myristate ester 13.8 (9) Dipolyhydroxystearic acid polyethylene oxide 0.3 (10) d-δ-tocopherol 0.1 Manufacturing method: All components are heated to 85 ° C., uniformly dispersed by a kneader, deaerated, and filled in a container.

Example 8 Water-in-oil emulsified sunscreen cream (1) Fine particle titanium oxide 7.0 (wt%) (2) Octyl paramethoxycinnamate 5.0 (3) Oxybenzone 3.0 (4) Squalane 40.0 (5) Glycerin diisostearate 3.0 (6) Dipolyhydroxystearic acid polyethylene oxide 2.0 (7) Purified water 34.8 (8) Glycerin 5.0 (9) Methyl paraoxybenzoate 0.2 Manufacturing method: The powder of (1) is added to the oil phase components of (2) to (6) and uniformly dispersed by a homomixer. The homogeneously dissolved aqueous phase components (7) to (9) are added, emulsified with a homomixer, degassed, and filled in a container.

As for Examples 2 to 8, Example 1 is also applied.
The dispersion fringes of the pigment were observed in the same manner as in. As a result, dispersion fringes of titanium oxide and other pigments were not observed in all the examples.

[0027]

As described in detail above, according to the present invention, cosmetics containing powders having good dispersibility of powders dispersed in hydrocarbon oils and suitable for makeup cosmetics such as foundations. Could be provided.

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Claims (2)

[Claims] 1. A powder-containing cosmetic containing dipolyhydroxy fatty acid polyalkylene oxide, a powder, and a hydrocarbon-based oil component. 2. The powder-containing cosmetic according to claim 1, wherein the powder contains titanium oxide.