JP2003342134A - Shampoo - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a shampoo which has excellent slipperiness of the hair in rinsing, the soft hair in rinsing and after drying and reduced hair grating. <P>SOLUTION: The shampoo is constituted by mixing an anionic surfactant, an acylated silk polypeptide, linoleamidopropyl PG-dimonium chloride phosphate dimethicone. The amount of the anionic surfactant mixed is preferably 5-18 mass %, that of the acylated silk polypeptide is preferably 0.2-2 mass % and that of the linoleamidopropyl PG-dimonium chloride phosphate dimethicone is preferably 0.01-0.25 mass %. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to shampoos, and more particularly, to shampoos having less squeaky hair during and after washing.

[0002]

2. Description of the Related Art Generally, the role of shampoo is to wash secretions and dandruff attached to the scalp and hair, dirt attached from the outside, used hair styling agents, etc. by the surface-active action of a surfactant.

However, the conventional shampoos have a problem that the hair is squeaked especially after washing the hair.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems of conventional shampoos and to provide a shampoo with less squeaky hair during and after washing.

[0005]

The present invention provides an anionic surfactant, an acylated silk polypeptide, and linoleamidopropyl PG-dimonium chloridolinate dimethicone (Linoleamidopropyl PG-D).
immonium Chloride Phosphat
e Dimethicone) to form a shampoo, thereby solving the above problems.

That is, while the anionic surfactant is the main agent that exerts detergency, the acylated silk polypeptide improves the slippage of hair during rinsing, and linoleamidopropyl PG-dimonium chloridolinic acid. Dimethicone introduces water into the hair to improve the softness of the hair at the time of rinsing and after drying, thereby reducing the squeaking of the hair during and after washing.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, an anionic surfactant serves as a main agent that exerts detergency. Examples of the anionic surfactant include alkyl ether carboxylate and alkenyl sulfate. , Olefin sulfonate, alkenyl ether carboxylate, sulfosuccinate, unsaturated fatty acid salt, acylated taurine salt, acylated glutamate, acylated alaninate,
Examples thereof include alkyl sulfonates, alkyl sulfates, polyoxyethylene alkyl ether sulfates, and acylated hydrolyzed collagen peptide salts. Examples of the salts include sodium salts, potassium salts, ammonium salts, triethanolamine salts, etc. Among them, triethanolamine salt is particularly preferable because it can improve foaming of shampoo. The amount of this anionic surfactant to be added to the shampoo is 5 to 1
8 mass% is preferable, and 7-16 mass% is more preferable.

However, as the surface active agent, an amphoteric surface active agent, a nonionic surface active agent or the like may be used in combination with the anionic surface active agent in addition to the anionic surface active agent. Examples of the amphoteric surfactant include betaine imidazolate, alkyl betaine, alkylamido betaine, alkylamidopropyl betaine, and alkyldimethylamidopropyl betaine.As the nonionic surfactant, for example, alkyl polyglucoside, Examples thereof include alkylol amide, coconut oil fatty acid alkylol amide, and coconut oil fatty acid dialkylol amide. The amount of these amphoteric surfactants and nonionic surfactants to be added is not particularly limited because the anionic surfactant has already been added, but the amphoteric surfactant is 1 to 5 mass. %, The nonionic surfactant is preferably 0.1 to 3% by mass.

As mentioned above, the acylated silk polypeptide has an effect of improving the slipperiness during rinsing, but the amount of the acylated silk polypeptide blended is not particularly limited. However, if it is too small, the above-mentioned effects may not be sufficiently exhibited, so 0.2 mass% or more is preferable, 0.5 mass% or more is more preferable, 0.8 mass% or more is further preferable, and many If it becomes too much, foaming at the time of shampoo will deteriorate, and it may be difficult to increase the viscosity even when adjusting the viscosity.
The content is preferably not more than mass%, more preferably not more than 1.8 mass%, further preferably not more than 1.5 mass%.

As described above, linoleamidopropyl PG-dimonium chloridolinic acid dimethicone has the action of introducing water into the hair to improve the softness of the hair during rinsing and after drying. Amidopropyl PG-dimonium chloridolinic acid dimethicone has the formula

[Chemical 1] In the formula, a, b, c, m and n are arbitrary numbers, and such a linoleamidopropyl PG-dimonium chloridolinic acid dimethicone is manufactured by ICI Co., Ltd. under the name of “MONASIL”. What is marketed by the brand name of "PLN" can be used. And
If the blending amount of this linoleamidopropyl PG-dimonium chloridolinic acid dimethicone is too small, the action as described above may not be sufficiently exhibited, so 0.01% by mass or more is preferable, and 0.05% by mass is preferable. % Or more, more preferably 0.08% by mass or more, and if too large, the effects of cationic treatment, shampoo, conditioner, etc. after shampoo may be diminished, so 0.25% by mass or less is preferable, 0.20 mass% or less is more preferable, and 0.15 mass% or less is still more preferable.

The shampoo of the present invention comprises water or an aqueous liquid containing water as a main component, the above-mentioned anionic surfactant,
An acylated silk polypeptide and linoleamidopropyl PG-dimonium chloridolinic acid dimethicone are blended as essential components, and if necessary, the amphoteric surfactant, nonionic surfactant, cationized cellulose, glycerin, propylene described above. Glycol, polyol such as sorbitol, thickening agent, pearling agent, perfume, ultraviolet absorber, antioxidant, chelating agent, anti-inflammatory agent, preservative and the like are appropriately blended, and these components are water or water as a main component. It is prepared by dissolving or dispersing in an aqueous liquid.

[0012]

EXAMPLES Next, the present invention will be described more specifically with reference to examples. However, the present invention is not limited to only those examples. In the following examples and the like,% indicating concentration is mass%.

Examples 1 to 4 and Comparative Examples 1 to 3 Shampoos of Examples 1 to 4 and Comparative Examples 1 to 3 were prepared with the compositions shown in Tables 1 and 2. In addition, Table 1 and Table 2
The unit of the numerical value indicating the blending amount of each component shown therein is part by mass. In addition, “remainder” indicating the blending amount of purified water in Tables 1 and 2 refers to the blending amount required to make the whole 100 parts by mass. The sodium polyoxyethylene lauryl ether sulfate and triethanolamine lauryl sulfate used in the preparation of the above shampoo are anionic surfactants, and lauric acid amidopropyl betaine is an amphoteric surfactant. Further, polyoxyethylene (1) coconut oil fatty acid monoisopropanolamide is mainly added as a thickener, and O- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethyl cellulose chloride is a cation. Cellulose, which is blended as a hair protecting agent. And
As the acylated silk polypeptide, a polypeptide having an average molecular weight of about 500 is used. As the linoleamidopropyl PG-dimonium chloridolinic acid dimethicone, MOCISIL PLN (commercial product, which is commercially available from Unichema Corporation at ICI) is used. Name) was used.

[0014]

[Table 1]

[0015]

[Table 2]

When the shampoos of Examples 1 to 4 and Comparative Examples 1 to 3 prepared as described above were used, the smoothness, softness and small squeakiness of hair were evaluated as follows.

Wick FC121 (trade name) manufactured by Fontaine Co., Ltd. was used as a wick for testing (a doll in which human hair was implanted in the head).

About 6 g of the shampoo of each of Examples 1 to 4 and Comparative Examples 1 to 3 was applied to this wick to wash the hair. Then, each shampoo was evaluated for slipperiness of hair at the time of rinsing, softness of hair at the time of rinsing and drying, and less squeak of hair after washing, as shown below.

Sliding: The sliding of the hair at the time of rinsing (that is, the sliding of the hair after washing the hair with shampoo and then rinsing with water) was evaluated by the panelists, and the results are symbolized according to the following criteria and shown in Table 3. displayed. ○: Good slip △: Slight slippage ×: Poor slippage

Softness: The softness of the hair at the time of rinsing and after drying was evaluated by a panelist, and the results were coded according to the following criteria and shown in Table 3. ○: Soft △: A little hard ×: Hard

Less squeaking: Squeaking of hair after washing (ie, washing hair with shampoo, rinsing with water,
The squeakiness of the dried hair) was evaluated by a panelist, and the result was symbolized by the following criteria as being less squeaky and shown in Table 3. ○: No squeaking △: Squeaky a little ×: Squeaky

[0022]

[Table 3]

As shown in Table 3, the shampoos of Examples 1 to 4 had good smoothness of hair during rinsing, soft hair after rinsing and drying, and less creaking of hair after washing.

On the other hand, the shampoo of Comparative Example 1 in which neither the acylated silk polypeptide nor the linoleamidopropyl PG-dimonium chloridolinic acid dimethicone was blended, had poor smoothness of hair during rinsing, Also, the hair after drying was stiff, and the hair after washing had squeaks. In addition, the shampoo of Comparative Example 2 in which the acylated silk polypeptide was blended but the linoleamidopropyl PG-dimonium chloridolinic acid dimethicone was not blended had good smoothness on the hair, but the hair was slightly stiff, and the result was , The hair had a little squeak. The shampoo of Comparative Example 3 containing linoleamidopropyl PG-dimonium chloridolinic acid dimethicone without the acylated silk polypeptide had a slightly slippery hair and the hair was soft, but the hair had creaking. There was a little

Further, when compared in the shampoos of Examples 1 to 4, although the softness of hair was the same as that of Examples 1 to 4, the softness was not shown in the table, but linole was used. As the blending amount of amidopropyl PG-dimonium chloridolinic acid dimethicone increased, the softness increased and the accompanying stains decreased.

[0026]

As described above, according to the present invention,
It is possible to provide a shampoo in which the hair has good slipperiness during rinsing, the hair is soft during rinsing and after drying, and the hair is less squeaky.

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Kazuki Fujii             2-17-2 Akagawa, Asahi-ku, Osaka City Co., Ltd.             In milbon (72) Inventor Katsumi Kanayama             2-17-2 Akagawa, Asahi-ku, Osaka City Co., Ltd.             In milbon F-term (reference) 4C083 AC642 AC712 AC792 AD132                       AD161 AD162 AD451 AD452                       BB05 CC38 EE05

Claims (2)

[Claims] 1. A shampoo comprising an anionic surfactant, an acylated silk polypeptide and linoleamidopropyl PG-dimonium chloridolinic acid dimethicone. 2. The compounding amount of the anionic surfactant is 5 to 1
At 8% by mass, the amount of acylated silk polypeptide is 0.2 to 2% by mass, and the amount of linoleamidopropyl PG-dimonium dimethicone chloride is 0.01%.
The shampoo according to claim 1, which is about 0.25% by mass.