JPH0699284B2 - Eyebrow pencil lead - Google Patents

Description

TECHNICAL FIELD The present invention relates to an improved eyebrow pencil lead, and particularly to an eyebrow pencil lead suitable for drawing a fine line.

(Prior Art) Conventional pencil type cosmetics, especially eyebrow pencil leads,
Waxes such as wax are used as a base material, and a coloring material and an extender material are kneaded and dispersed in the base material, which is extruded to form a relatively soft core that is smooth and sticks well. Is used for.

(Problems to be Solved by the Invention) However, in the conventional method of using an eyebrow pencil, the main purpose is to draw a relatively thick line, and to draw an extremely thin line as if the eyebrows naturally grow. In the conventional method for producing a core, in which waxes are mixed with a coloring material and a body material, dispersed and extruded, hard waxes such as carnauba wax, candelilla wax, and hardened oil are used in a large amount. There is a way. However, when such a hard wax is used, it becomes hard as a core, but it becomes very brittle, making it difficult to perform molding work. Also, it is very difficult to make the tip of the core thin and sharply sharpened, which makes it very difficult. Also, there is a drawback in that the scraps used to prepare the tip are statically attached to the scraped surface or the knife, making it difficult to clean them down. In order to eliminate such drawbacks, the present inventor has previously dissolved waxes such as fats and oils, waxes, fatty acids, and hydrocarbons and coloring materials, and extenders into water or swelled carboxymethyl cellulose, tragacanth, polyvinyl alcohol, methyl cellulose. , A guar gum or the like was used as a binder, and a method for producing an eyebrow pencil lead obtained by kneading, molding and drying these was found.

The eyebrow pencil lead obtained by this method was relatively easy to manufacture, and the scraps at the time of adjusting the tip of the lead were easily taken without static electricity and suitable for drawing fine lines.

However, this core has a drawback in that the tip is extremely thin and sharp, and it is necessary to arrange it, and when it is prepared by a general user, a chip sometimes occurs and the stickiness is still insufficient.

(Means for Solving the Problems) The present inventor has conducted extensive studies to eliminate this drawback, and as a result, particularly by using hydroxyethyl cellulose as a water-soluble binder, found that these drawbacks are eliminated, The present invention has been completed.

That is, the present invention is to add waxes such as fats, oils, waxes, fatty acids, and hydrocarbons and coloring materials, and hydroxyethyl cellulose in which water is further dissolved or swollen to a body material, and after kneading with heating, it is molded into a rod shape, which is Cut into a predetermined length,
It is an eyebrow pencil lead that is characterized by being dry, has no brittleness, has no sharp scraps attached, has a sharp tip, and can draw extremely fine lines easily.

The waxes used in the present invention are generally used in cosmetics, and for example, beeswax, morow, carnauba wax, candelilla wax, hydrogenated oil, montan wax, spermaceti wax, rice bran wax, sucrose fatty acid ester, stearic acid, palmitic acid, Examples thereof include behenic acid, ceresin, paraffin, microcrystalline wax, polyethylene wax, stearyl alcohol, cetyl alcohol and the like, and one kind or two or more kinds are arbitrarily selected from these.

The compounding amount is 5 to 50% by weight.

As the coloring material and the constitution material, natural and synthetic materials which are well known and have been used conventionally can be used. For example, carbon black, black iron oxide, black titanium oxide, red iron oxide, red jelly, konjou, titanium dioxide, zinc oxide, titanium mica,
Examples include organic pigments, talc, mica, sericite, kaolin, barium sulfate, hydrous silicic acid, silicic acid anhydride, nylon powder, and one or more of these are selected.

The compounding amount is 20 to 90% by weight.

As the water-soluble binder, hydroxyethyl cellulose is used as an essential component, and it is possible to use one or two of carboxymethyl cellulose sodium, tragacanth, polyvinyl alcohol, methyl cellulose, guar cam, etc., which are commonly used. The binder content is 2
The content of hydroxyethyl cellulose is 60% to 100% of the total amount of the binder.

Water is used to dissolve or swell the water-soluble binder, and the amount thereof is about 3 times or more that of the water-soluble binder.

In addition to the above essential components, the eyebrow pencil lead of the present invention may contain an antioxidant, a fragrance, a surfactant, etc., if necessary.

(Examples) Next, the present invention will be described in more detail with reference to Examples. The present invention is not limited to these.

The blending amount is parts by weight.

Example 1 Mokurou 20 Stearic acid 10 Carbon black 25 Titanium oxide 5 Talc 20 Sericite 14 Hydroxyethyl cellulose 6 Purified water 42 Wax wax of mokurou and stearic acid were melted by heating, and carbon black, titanium oxide, and constitution were used as coloring materials. Add talc and sericite as materials, and add hydroxyethyl cellulose swollen in 7 times the amount of purified water,
The kneader was sufficiently kneaded while heating. Then, the mixture was further kneaded with a heated three-roll to obtain a kneaded product having a water content of 10%. This was molded into a round bar with a diameter of 4.0 mm by an extrusion molding machine, cut into a length of 180 mm, and dried to obtain an eyebrow pencil lead. The obtained core has a diameter of 3.6 mm and a bending strength of 1800 g / min, and when the tip is finely ground and trimmed, it can be easily trimmed without chipping of the tip, and shavings can adhere to the sharpened surface or knife. In addition, the usability was good and the adhesion to the skin was good, and extremely thin lines could be easily drawn.

Example 2 Beeswax 10 Paraffin 7 Carnauba wax 3 Carbon black 15 Black iron oxide 5 Titanium oxide 5 Talc 20 Kaolin 28 Hydroxyethylcellulose 5 Tragacanth 2 Purified water 49 It was prepared in the same manner as in Example 1. The obtained core had a diameter of 3.6 mm and a bending strength of 2000 g / min, and its machinability and usability were good as in Example 1.

(Effect of the invention) Waxes, coloring materials, extenders, and a composition in which hydroxyethyl cellulose is further added as a water-soluble binder, and these are thoroughly kneaded, then molded and dried. It is possible to provide a cosmetic which can be easily trimmed without being fragile when it is finely trimmed, and in which a fine line can be extremely easily drawn on the skin without attaching scraps to the periphery.

Claims (1)

[Claims] 1. Waxes such as fats and oils, waxes, fatty acids, and hydrocarbons, and coloring agents, hydroxyethyl cellulose dissolved or swollen in water as a binder to a body material, kneaded by heating, and extruded into a rod shape. A method for producing an eyebrow pencil lead obtained by cutting and drying.