JP5919026B2 - Pretreatment agent, permanent hair treatment agent, and hair treatment method - Google Patents

Description

  The present invention relates to a pretreatment agent used before the permanent treatment for deforming the shape of the hair, a permanent hair treatment agent comprising the pretreatment agent and the permanent agent, and a hair treatment agent using the permanent hair treatment agent. The present invention relates to a hair treatment method for performing a permanent treatment.

  2. Description of the Related Art As a permanent agent for deforming the shape of hair, one having a first agent containing a reducing agent and a second agent containing an oxidizing agent is known. By applying the first agent to the hair, reduction to cut the disulfide bond in the hair is performed, and by applying the second agent to the hair, oxidation to re-form the disulfide bond in the hair is performed. By the permanent treatment through these reduction and oxidation processes, the hair shape is deformed into a desired shape such as a wave shape or a straight shape.

  Pretreatment agents for pretreating the hair to be treated with perm are widely known, and the pretreatment agent is used for the purpose of uniformizing the hair shape by the perm treatment and preventing damage to the hair. It is common. Examples of pretreatment agents used for such purposes are disclosed in Patent Document 1 containing aminosilicone microemulsions and in Patent Document 2 in which specific ester compounds are blended. The use of the pretreatment agent disclosed in the latter patent document 2 is also said to have the purpose of improving the feel of the hair after the permanent treatment.

JP 2002-308742 A JP 2009-256284 A

  It is always required to improve the feel of the hair after the permanent treatment, and it is also required to improve the feel of the softness of the hair. Therefore, the proposal of the pretreatment agent from which the softness of the hair after a permanent treatment becomes favorable is desired.

  An object of this invention is to provide the pretreatment agent from which the softness of the hair after a permanent treatment becomes favorable in view of the said situation, and the hair treatment agent for permanents provided with the said pretreatment agent.

  As a result of investigations by the present inventors, not only the amino-modified silicone is added to the pretreatment agent, but also another pretreatment agent is used after the use of the pretreatment agent, and the latter pretreatment agent is used. It has been found that if an anionic surfactant is added, the softness of the hair is improved, and the present invention has been completed.

  That is, the pretreatment agent used before the permanent treatment according to the present invention includes a pretreatment agent (I) in which amino-modified silicone is blended and an anionic surfactant used after use of the pretreatment agent (I). And a pretreatment agent (II) blended.

  Moreover, the hair treatment agent for permanents which concerns on this invention is the pretreatment agent which concerns on the said invention, the 1st agent for permanents which mix | blended the reducing agent and the alkaline agent, and the 2nd agent for permanents which mix | blended the oxidizing agent. And.

  In the hair treatment agent for permanents according to the present invention, it is preferable that the first agent for permanents and / or the second agent for permanents is blended with amino-modified silicone. If the amino-modified silicone is blended, the moist feeling of the hair after the permanent treatment is improved. In addition, if amino-modified silicone is added to the first permanent agent, the hair slip after the permanent treatment is improved, and if amino-modified silicone is added to the second permanent agent, the softness of the hair is improved. improves.

  In the hair treatment agent for permanents according to the present invention, it is preferable that the first agent for permanents and the second agent for permanents are blended with fats and oils. If there exists the said mixing | blending, the slip of the hair after a permanent treatment will improve.

  The hair treatment method according to the present invention comprises a pretreatment step (I) in which a pretreatment agent (I) containing an amino-modified silicone is blended on the hair, and an anionic surfactant after the pretreatment step (I). The pretreatment step (II) for applying the blended pretreatment agent (II) to the hair, the water washing step for washing the hair with water after the pretreatment step (II), and the water washing step after the water washing step, A reduction step of applying the first agent for blended perm to the hair; and an oxidation step of applying to the hair the second agent for perm containing the oxidant after the reduction step. .

  According to the present invention comprising a pretreatment agent (I) containing an amino-modified silicone and a pretreatment agent (II) containing an anionic surfactant, the softness of the hair after permanent treatment is good. Become.

Based on the hair treatment agent for permanents of this embodiment, this invention is demonstrated below.
The hair treatment agent for permanents of this embodiment is a pretreatment agent (containing pretreatment agent (I) and pretreatment agent (II) described later) used before permanent treatment, the first permanent agent, and the permanent. The second agent is provided.

(Pretreatment agent (I))
The pretreatment agent (I) of the present embodiment is obtained by blending amino-modified silicone with water (a typical pretreatment agent (I) of the present embodiment has a water content of 70% by mass. That's it.) Moreover, the arbitrary materials as needed are suitably mix | blended with the pretreatment agent (I) of this embodiment.

  The amino-modified silicone is a silicone having an amino group at the terminal directly on the silicone skeleton or through a substituent. The amino-modified silicone to be blended is one or more selected from known amino-modified silicones. Examples of the amino-modified silicone include those represented by the following general formula (1) and the following general formula (2).

[In the general formula (1), x and y represent an integer of 1 to 5, and m and n represent an integer depending on the molecular weight. ]

  Examples of the amino-modified silicone represented by the general formula (1) include an aminoethylaminopropylmethylsiloxane / dimethylsiloxane copolymer in which x = 3 and y = 2 (cosmetic label: (aminoethylaminopropylmethicone / Dimethicone) copolymers).

[In general formula (2), v and w represent integers of 1 to 5, and p and q represent integers depending on the molecular weight. ]

  Examples of the amino-modified silicone represented by the general formula (2) include an aminoethylaminopropylsiloxane / dimethylsiloxane copolymer (amodimethicone) in which v = 3 and w = 2.

  Specific examples of amino-modified silicones other than the above include aminopropyl dimethicone (cosmetic label: aminopropylmethylsiloxane / dimethylsiloxane copolymer).

  The amino content of the amino-modified silicone (the content of nitrogen in the amino-modified silicone) is, for example, 0.5% by mass or more and 3.0% by mass or less.

  The compounding amount of the amino-modified silicone in the pretreatment agent (I) is not particularly limited, but is preferably 2% by mass or more and 8% by mass or less, preferably 3% by mass or more and 7% by mass or less, and 3% by mass or more and 6% by mass or less. Is more preferable.

  In addition to the amino-modified silicone, as described above, optional raw materials as necessary are blended in the pretreatment agent (I) of the present embodiment. The arbitrary raw material may be a raw material blended in a known washing treatment, for example, a cationic surfactant, a nonionic surfactant, a higher alcohol, a lower alcohol, a polyhydric alcohol, a saccharide, an oil, an ester oil, a fatty acid. , Hydrocarbons, waxes, polymer compounds, silicones, proteins, amino acids, animal and plant extracts, inorganic compounds, fragrances, preservatives.

  When it is necessary to make the dosage form of the pretreatment agent (I) creamy, a nonionic surfactant and a higher alcohol may be blended as optional raw materials. You may further mix | blend a cationic surfactant and a lower alcohol or a polyhydric alcohol.

  Examples of the nonionic surfactant include polyoxyethylene alkyl ether, polyoxyethylene polyoxypropylene alkyl ether, polyoxyethylene fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene sorbitol tetra fatty acid ester, glycerin fatty acid ester, Examples include alkyl glucoside, sorbitan fatty acid ester, polyglycerin fatty acid ester, and sucrose fatty acid ester. One or two or more types of nonionic surfactants may be added to the pretreatment agent (I) of the present embodiment, and the concentration of the nonionic surfactant is appropriately set. For example, 0.1% by mass The amount is 5% by mass or less.

  Examples of the higher alcohol include linear saturated alcohols such as lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, aralkyl alcohol, and behenyl alcohol; linear unsaturated alcohols such as oleyl alcohol; hexyl decanol, octyldodecanol, Examples thereof include branched saturated alcohols such as isocetyl alcohol, dodecyl hexadecanol, isostearyl alcohol, and tetradecyl octadecanol. One or two or more higher alcohols may be blended in the pretreatment agent (I) of the present embodiment, and the blending concentration of the higher alcohol is appropriately set. For example, it is 3% by mass or more and 5% by mass or less. is there.

  Examples of the cationic surfactant include amine salts such as fatty acid amide amine salts; long-chain alkyltrimethyl quaternary ammonium salts, di-long-chain alkyldimethyl quaternary ammonium salts, tri-long-chain alkylmonomethyl quaternary ammonium salts, benzalkonium Alkyl quaternary ammonium salts such as quaternary ammonium salts and monoalkyl ether quaternary ammonium salts. One or more kinds of cationic surfactants may be added to the pretreatment agent (I) of the present embodiment, and the concentration of the cationic surfactant is appropriately set. For example, 0.5% by mass The content is 3% by mass or less.

  Examples of the lower alcohol include ethanol and isopropyl alcohol. One or two or more lower alcohols may be blended in the pretreatment agent (I) of the present embodiment, and the blending concentration of the lower alcohol is appropriately set. For example, 0.1% by mass or more and 2% by mass It is as follows.

  Examples of the polyhydric alcohol include propylene glycol, 1,3-butylene glycol, dipropylene glycol, glycerin, and diglycerin. One or two or more polyhydric alcohols may be blended in the pretreatment agent (I) of the present embodiment, and the blending concentration of the polyhydric alcohol is appropriately set. It is below mass%.

  The pretreatment agent (I) of the present embodiment is preferably a cream-like dosage form that can be easily applied to the hair and rubbed in order to improve the softness of the hair. As for the viscosity of the creamy dosage form, the value after 60 seconds measured at 25 ° C. and 12 rpm using a B-type viscometer is, for example, from 4000 mPa · s to 45000 mPa · s, and from 6000 mPa · s to 10000 mPa · s. It is good that it is s or less.

  The pH of the pretreatment agent (I) of this embodiment is good in acidity, preferably 3.0 or more and 6.0 or less, and more preferably 3.5 or more and 5.0 or less.

(Pretreatment agent (II))
The pretreatment agent (II) of the present embodiment is obtained by blending an anionic surfactant with water (a typical pretreatment agent (II) of the present embodiment has a water content of 70 mass. % Or more.) Moreover, arbitrary raw materials as needed are appropriately blended in the pretreatment agent (II) of the present embodiment.

  The anionic surfactant is one or more selected from known anionic surfactants. Examples of the anionic surfactant include N-acyl amino acid salts, alkyl ether carboxylates, fatty acid amide ether carboxylates, fatty acid amide ether carboxylic acids, and acyl lactates; Acid salt, α-olefin sulfonate, α-sulfo fatty acid methyl ester salt, acyl isethionate, alkyl glycidyl ether sulfonate, alkyl sulfosuccinate, alkyl sulfoacetate, alkyl benzene sulfonate, alkyl naphthalene sulfonate, Sulfonic acid type anionic surfactants such as N-acylmethyl taurate; sulfuric acid such as alkyl sulfate, alkyl ether sulfate, alkyl aryl ether sulfate, fatty acid alkanolamide sulfate, fatty acid monoglyceride sulfate Anionic surfactants; phosphoric acid anionic surfactants such as alkyl phosphates, polyoxyethylene alkyl ether phosphates, alkylaryl ether phosphates, fatty acid amide ether phosphates;

  Although the compounding quantity of the anionic surfactant in pretreatment agent (II) is not specifically limited, 2 mass% or more and 8 mass% or less are good, and 3 mass% or more and 7 mass% or less are preferable.

  In addition to the anionic surfactant, optional raw materials as required are blended in the pretreatment agent (II) of the present embodiment. The optional raw material may be a raw material blended in a known shampoo, for example, cationic surfactant, amphoteric surfactant, nonionic surfactant, lower alcohol, polyhydric alcohol, saccharide, polymer compound, amino acid Animal and plant extracts, inorganic compounds, fragrances, preservatives.

  In order to make the pretreatment agent (II) have an appropriate viscosity and to prevent entanglement of the hair when washed away, a nonionic surfactant and a cationized polymer may be blended as optional raw materials.

  Examples of the nonionic surfactant to be blended with the pretreatment agent (II) include the same nonionic surfactants blended as an optional raw material for the pretreatment agent (I). One or two or more kinds of nonionic surfactants may be added to the pretreatment agent (II) of the present embodiment, and the concentration of the nonionic surfactant is appropriately set. For example, 0.1% by mass The amount is 5% by mass or less.

Examples of the cationized polymer include polyquaternium-4 (hydroxyethylcellulose chloride dimethyldiallylammonium) and polyquaternium-10 (O- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethylcellulose chloride).
Cationized cellulose such as guar hydroxypropyltrimonium chloride, and cationized guar gum such as hydroxypropyl guar hydroxypropyltrimonium chloride. One or two or more kinds of cationized polymers may be blended in the pretreatment agent (II) of this embodiment, and the blending concentration of the cationized polymer is appropriately set. The content is 2% by mass or less.

  For example, the dosage form of the pretreatment agent (II) of the present embodiment is preferably a viscous liquid that does not impair handling properties.

  The pH of the pretreatment agent (II) of this embodiment may be acidic or neutral, and is preferably 5.0 or more and 7.0 or less.

(First agent for permanents)
The first permanent agent according to this embodiment is a mixture of a reducing agent for breaking the disulfide bond of hair and an alkaline agent for enhancing the reducing power of the reducing agent with water. Moreover, the arbitrary raw material as needed is mix | blended with the 1st agent for permanents of this embodiment suitably.

  Said reducing agent to mix | blend is 1 type, or 2 or more types chosen from the well-known reducing agent. Examples of the reducing agent include thioglycolic acid, thioglycolate (ammonium thioglycolate, monoethanolamine thioglycolate), L-cysteine, L-cysteine hydrochloride, DL-cysteine, DL-cysteine hydrochloride, N- Acetyl-L-cysteine. The blending amount of the reducing agent in the first permanent agent is appropriately adjusted according to the required reducing power.

  Said alkali agent to mix | blend is 1 type, or 2 or more types chosen from the well-known alkali agent. Examples of the alkali agent include ammonia, amino alcohol (monoethanolamine, triethanolamine, isopropanolamine, 2-amino-2-methyl-1-propanol, 2-amino-2-methyl-1,3-propanediol. ), Basic amino acids (such as arginine), morpholine, carbonates (such as ammonium carbonate, ammonium bicarbonate, sodium carbonate, sodium bicarbonate), phosphates (such as ammonium monohydrogen phosphate, sodium monohydrogen phosphate), Caustic (potassium hydroxide, sodium hydroxide). The blending amount of the reducing agent in the first permanent agent is appropriately adjusted according to the required reducing power and pH.

  The optional raw material blended in the first permanent agent according to this embodiment may be a raw material blended in a known first permanent agent, for example, a nonionic surfactant or an anionic surfactant. , Cationic surfactant, amphoteric surfactant, polymer compound, silicone, hydrocarbon, wax, higher alcohol, polyhydric alcohol, fatty acid, fat, ester oil, protein, amino acid, chelating agent, anti-inflammatory agent, preservative, Perfume.

  If amino-modified silicone is blended with the first permanent agent of the present embodiment, the moist and slippery feel of hair is improved, and if fats and oils are blended, the slippery feel is improved. In order to improve such feeling, a nonionic surfactant may be used in order to mix and disperse amino-modified silicone or oil in the first permanent agent.

  Examples of the amino-modified silicone blended in the first permanent agent of the present embodiment include the same amino-modified silicone blended as a raw material for the pretreatment agent (I). One or two or more amino-modified silicones may be blended in the first permanent agent of the present embodiment, and the blending concentration of the amino-modified silicone is appropriately set. 1% by mass or less.

  Examples of oils and fats to be blended in the first permanent agent of the present embodiment include almond oil, avocado oil, olive oil, rice bran oil, rice germ oil, safflower oil, sesame oil, shea fat, soybean oil, evening primrose oil, camellia oil Corn oil, rapeseed oil, peanut oil, castor oil, sunflower oil, grape seed oil, jojoba oil, macadamia nut oil, cottonseed oil, rosehip oil, coconut oil. One or more types of fats and oils may be blended with the first agent for permanents of the present embodiment, and the blending concentration of the fats and oils is, for example, 0.01% by mass or more and 0.1% by mass or less.

  Examples of the nonionic surfactant to be blended in the first permanent agent of the present embodiment include the same nonionic surfactants blended as an optional raw material for the pretreatment agent (I). One or more kinds of nonionic surfactants may be blended in the first permanent agent according to the present embodiment.

  The pH of the first permanent agent according to the present embodiment is, for example, 9.5 or less alkaline, and preferably 8.0 or more and 9.2 or less. These pH ranges may be adjusted by blending the alkali agent.

(Second agent for permanents)
The second permanent agent according to this embodiment is obtained by blending water with an oxidizing agent for forming a disulfide bond in hair. Moreover, the arbitrary raw material as needed is suitably mix | blended with the 2nd agent for permanents of this embodiment.

  The oxidizing agent to be blended is, for example, bromate (sodium bromate, potassium bromate, etc.) or hydrogen peroxide, like the known second permanent agent.

  The optional raw material blended in the second permanent agent according to this embodiment may be a raw material blended in a known second permanent agent, for example, a nonionic surfactant or an anionic surfactant. , Cationic surfactant, amphoteric surfactant, polymer compound, silicone, hydrocarbon, wax, higher alcohol, polyhydric alcohol, fatty acid, fat, ester oil, protein, amino acid, chelating agent, anti-inflammatory agent, preservative, Perfume.

  If amino-modified silicone is blended with the second agent for permanents of the present embodiment, the soft feel and moist feel of hair is improved, and if oils and fats are blended, the feel of slip is improved. In order to improve such a feeling, a nonionic surfactant may be used to mix and disperse the amino-modified silicone or oil / fat in the second permanent agent.

  Examples of the amino-modified silicone compounded in the second permanent agent according to this embodiment include the same amino-modified silicone compounded as a raw material for the pretreatment agent (I). One or two or more amino-modified silicones may be blended in the second agent for permanents of the present embodiment, and the blending concentration of amino-modified silicone is appropriately set. % Or less.

  Examples of the fats and oils blended in the second agent for permanents of the present embodiment include the same oils and fats blended as optional raw materials for the first agent for permanents. One or two or more types of fats and oils may be blended with the second agent for permanents of the present embodiment, and the blending concentration of the fats and oils is appropriately set. For example, 0.01% by mass to 0.1% by mass It is.

  Examples of the nonionic surfactant to be blended in the second permanent agent according to this embodiment include the same nonionic surfactants blended as an optional raw material for the pretreatment agent (I). One or more kinds of nonionic surfactants may be blended in the first permanent agent according to the present embodiment.

  The pH of the second agent for permanents of this embodiment is preferably 4.5 or more and 8.0 or less, preferably 5.0 or more and 7.5 or less, and hydrogen peroxide is blended when bromate is blended. When it does, 2.0 or more and 4.0 or less are good, and 2.5 or more and 3.5 or less are preferred.

(how to use)
The target hair in the hair treatment method using the hair treatment agent for permanent hair according to the present embodiment is not particularly limited, and treatment with a hair dye containing a reactive dye such as an oxidation dye, chemical treatment such as permanent treatment, etc. Hair with a history is also treated.

  The hair treatment method includes a pretreatment step (I) in which the pretreatment agent (I) is applied to the hair, a pretreatment step (II) in which the pretreatment agent (II) is applied to the hair, and a water washing in which the hair is washed away with water. A step, a reduction step of applying the first permanent agent to the hair, and an oxidation step of applying the second permanent agent to the hair. The hair is processed through the steps in the order of description.

  You may perform a well-known hair process before the process by said hair processing method, after a process, or before and after a process. Moreover, you may add another process between each process in the hair processing method of this embodiment (For example, the process of rinsing hair with water between a reduction process and an oxidation process).

  In the hair treatment method, the perm treatment of the hair by the reduction step and the oxidation step may be any of a cold type without heating, a heating type with heating at 60 ° C. or less, and the like. In addition, this permanent treatment may be either a treatment for making the hair into a wave shape using a rod or a treatment for making the hair straight.

  Hereinafter, the present invention will be described more specifically with reference to examples. However, the present invention is not limited to the following examples unless departing from the gist of the present invention.

  As described below, pretreatment agent (I), pretreatment agent (II), first agent for permanent, and second agent for permanent were prepared, and hair treatment using these was performed.

(Pretreatment agent (I))
As the creamy pretreatment agent (I), the following pretreatment agent (Ia) and a pretreatment agent (Ib) containing amino-modified silicone (aminoethylaminopropylmethylsiloxane / dimethylsiloxane copolymer) were prepared.

The pretreatment agent (Ia) was prepared by blending the raw material with water at the following blending concentrations.
Cetanol 3% by mass
Behenyl alcohol 0.4% by mass
Octyldodecanol 1% by mass
Stearyltrimethylammonium bromide 1% by mass
1% by mass of glyceryl monostearate
Polyoxyethylene oleyl ether 2% by mass
Tetraoleic acid polyoxyethylene sorbit 1% by mass
Sodium hyaluronate 0.004% by mass
Isopropanol 0.5% by mass
1,3-butylene glycol 1% by mass
Sodium pyrrolidonecarboxylate 0.3% by mass
Lactic acid 0.4% by mass
Phenoxyethanol 0.5% by mass

  In the pretreatment agent (Ib), 5% by mass of an aminoethylaminopropylmethylsiloxane / dimethylsiloxane copolymer was further added to the pretreatment agent (Ia).

(Pretreatment agent (II))
The raw material was blended with water at the following blending concentrations to prepare a viscous liquid pretreatment agent (II) blended with an anionic surfactant.
Polyoxyethylene lauryl ether sodium acetate 6% by mass
2-alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine 2% by weight
Decylglucoside 0.8% by mass
Polyoxyethylene lauryl ether 0.3% by mass
Glyceryl caprylate 0.1% by mass
O- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethylcellulose chloride 0.5% by mass
N, N-dimethylaminoethyl diethyl methacrylate methacrylate / N, N-dimethylacrylamide / polyethylene glycol dimethacrylate 0.2% by mass
(Glyceryl amide ethyl methacrylate / stearyl methacrylate) copolymer 0.05% by mass
Glycerin 0.7% by mass
1,3-butylene glycol 0.3% by mass
Ethanol 0.5% by mass
N-coconut oil fatty acid acyl L-arginine ethyl DL-pyrrolidone carboxylate 0.1% by mass
Citric acid 0.2% by mass
2-Methyl-4-isothiazolin-3-one 0.005% by mass

(First agent for permanents)
As the first agent for a high fluidity liquid permanent, the following first agent a for permanent, first permanent agent b containing amino-modified silicone (aminoethylaminopropylmethylsiloxane / dimethylsiloxane copolymer), amino-modified silicone And a first agent c for permanents containing fats and oils (evening primrose oil, shea fat).

The first agent a for permanents was prepared by blending raw materials with water at the following blending concentrations.
Reducing agent (ammonium thioglycolate, acetylcysteine, and cysteine) 6% by mass
Polyoxyethylene oleyl ether 0.3% by mass
2-Alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine 0.2% by mass
Vinylpyrrolidone / N, N-dimethylaminoethyl methacrylic acid copolymer diethyl sulfate 0.1% by mass
Sodium pyrrolidonecarboxylate 1% by mass
Chelating agent 0.5% by mass
Monoethanolamine 2% by mass
25% ammonia water 2% by mass

  The first agent b for permanent contains 0.03% by mass of aminoethylaminopropylmethylsiloxane / dimethylsiloxane copolymer, 0.01% by mass of polyoxyethylene alkyl (C12-14) ether, and 0.01% by mass of glycerin. Further, it was formulated into the first agent a for permanents.

  The first permanent agent c is 0.02% by weight of evening primrose oil, 0.01% by weight of shea butter, 0.02% by weight of squalane, 0.06% by weight of behenyltrimethylammonium chloride, 0.2% by weight of isopropanol, polyoxy Ethylene lanolin alcohol 0.2% by mass, polyoxyethylene reduced lanolin 0.2% by mass, and dipropylene glycol 0.06% by mass were further blended in the first agent b for permanents.

(Second agent for permanents)
As a second agent for a high fluidity liquid permanent, the following second agent a for permanent, the second agent b for permanent containing amino-modified silicone (aminoethylaminopropylmethylsiloxane / dimethylsiloxane copolymer), amino-modified silicone And a second agent c for permanent containing oil and fat (primrose oil).

In the second agent a for permanents, the raw material was blended with water at the following blending concentrations.
Sodium bromate 8% by mass
Polyoxyethylene oleyl ether 0.3% by mass
Palm oil fatty acid amidopropyl betaine 0.3% by mass
Sodium pyrrolidonecarboxylate 0.5% by mass
Chelating agent 0.1% by mass
Phosphoric acid 0.1% by mass
Sodium monohydrogen phosphate 1% by mass

  The second agent b for permanent contains 0.4% by mass of aminoethylaminopropylmethylsiloxane / dimethylsiloxane copolymer, 0.2% by mass of polyoxyethylene alkyl (C12-14) ether, and 0.2% by mass of glycerin. Further, it was formulated into the second agent a for permanents.

  The second agent c for permanent is 0.03% by mass of evening primrose oil, 0.02% by mass of squalane, 0.05% by mass of behenyltrimethylammonium chloride, 0.01% by mass of isopropanol, 0.2% by mass of polyoxyethylene lanolin alcohol. Further, 0.2% by mass of polyoxyethylene-reduced lanolin and 0.06% by mass of dipropylene glycol were further blended in the second agent b for permanents.

(Hair to be treated)
About 25 cm, 2.5 g of hair bundle collected from a general woman, 1 part by weight of an alkaline aqueous solution (aqueous solution containing ammonia 0.02% by mass, ammonium hydrogen carbonate 2% by mass, potassium hydroxide 0.5% by mass) It was immersed for 1 hour in the liquid which mixed 2 mass parts of hydrogen peroxide 6 mass% aqueous solution. Next, the hair to be treated was prepared by ultrasonically washing the hair bundle in a 5% by mass aqueous sodium lauryl sulfate solution for 30 minutes, washing with water and drying.

(Hair treatment)
The hair treatment was performed according to any of Examples 1 to 6 and Comparative Examples 1 and 2 below.

Example 1:
After applying 0.2 g of pretreatment agent (Ib) containing amino-modified silicone to the hair bundle washed with shampoo ("Diesse Neue Doue Willow Lux" manufactured by Milbon) and swallowing Without further washing with water, 0.1 g of the pretreatment agent (II) was further applied and squeezed, and then the washing was performed for about 30 seconds with warm water. Next, after applying 2 mL of the first permanent agent a to the hair bundle that has been drained, leave it for 15 minutes, wash it with warm running water for about 20 seconds, and then apply 2 mL of the second permanent agent a for permanent use. The mixture was allowed to stand for 5 minutes, 2 mL of the second permanent agent a was applied again, left for 5 minutes, and washed for about 20 seconds with warm water. Then, a treatment ("Diesse Neue Doue Willow Lux" manufactured by Milbon) was applied to the hair bundle, and after squeezing, it was washed with warm running water and dried with warm air.

Example 2:
The hair treatment was performed in the same manner as in Example 1 except that the first permanent agent b blended with amino-modified silicone was used as the first permanent agent.

Example 3:
The hair treatment was carried out in the same manner as in Example 1 except that the second agent for permanent b containing amino-modified silicone was used as the second agent for permanent.

Example 4:
The same procedure as in Example 1 was performed except that the first agent b for the perm containing amino-modified silicone was used as the first agent for the permanent, and the second agent b for perming containing the amino-modified silicone was used as the second agent for the permanent. The hair treatment was performed.

Example 5:
Example 1 except that the first permanent agent c containing amino-modified silicone and oil and fat was used as the first permanent agent, and the second permanent agent b containing amino-modified silicone was used as the second permanent agent. Then, the hair treatment was performed.

Example 6:
Example 1 except that the first permanent agent c containing amino-modified silicone and oil / fat was used as the first permanent agent, and the second agent c perming containing amino-modified silicone and fat / oil was used as the second permanent agent. In the same manner as described above, hair treatment was performed.

Comparative Example 1:
The hair treatment was performed in the same manner as in Example 1 except that the pretreatment agent (Ia) containing no amino-modified silicone was used as the pretreatment agent (I).

Comparative Example 2:
The hair treatment was performed in the same manner as in Example 1 except that the pretreatment agent (II) was omitted from the hair.

(Evaluation)
The evaluator evaluated the feel (softness, moist, slip) of the hair bundle after the hair treatment in the categories of Examples 1 to 6 and Comparative Examples 1 and 2. In this evaluation, touch evaluation points were determined in five stages of 1 to 5, and an average value of four evaluation points was evaluated according to the following evaluation criteria.
4.5 or more: ◎
3.5 or more and less than 4.5: ○
2.5 or more and less than 3.5:
1.5 or more and less than 2.5: △
Less than 1.5: ×

Table 1 below shows the feel evaluation of the hair bundles subjected to the hair treatment of Example 1 and Comparative Examples 1 and 2.

  In Table 1, it can be confirmed by comparison between Example 1 and Comparative Example 1 that the softness evaluation tends to be favorable by blending the amino-modified silicone with the pretreatment agent (I). Moreover, it can be confirmed from the comparison between Example 1 and Comparative Example 2 that the softness evaluation tends to be favorable by providing a treatment step with the pretreatment agent (II).

Table 2 below shows the feel evaluation of the hair bundles subjected to the hair treatment of Examples 1 to 6.

In Table 2, the following (A) to (D) can be confirmed.
(A) According to the comparison between Example 2 and Example 1, the evaluation of moist and slip tends to be improved by adding amino-modified silicone to the first agent for permanents.
(B) According to the comparison between Example 3 and Example 1, the evaluation of softness and moistness tends to be improved by adding amino-modified silicone to the second agent for permanents.
(C) According to the comparison between Example 4 and Example 1, the evaluation of softness, moistness, and slip is improved by adding amino-modified silicone to both the first agent for permanent and the second agent for permanent. That was a trend.
(D) By comparison with Example 6 and Example 4, it was the tendency for slip evaluation to become favorable by mix | blending fats and oils with the 1st agent for permanents, and the 2nd agent for permanents.

Claims (4)

Used before the permanent process, before the amino-modified silicone is blended treating agent and (I), pretreatment agent anionic surfactant used after use is the formulation of the pretreatment agent (I) and (II) A pretreatment agent having,
A first permanent agent containing a reducing agent and an alkaline agent;
A second permanent agent containing an oxidizing agent;
With
The permanent hair treatment agent, wherein the second permanent agent contains amino-modified silicone . The first agent for the perm, perming hair treatment agent according to claim 1 in which the amino-modified silicone is blended. The permanent hair treatment agent according to claim 1 or 2 , wherein the first permanent agent and the second permanent agent contain oils and fats. A pretreatment step (I) in which a pretreatment agent (I) containing an amino-modified silicone is applied to the hair;
After the pretreatment step (I), a pretreatment step (II) in which a pretreatment agent (II) containing an anionic surfactant is applied to the hair;
After the pretreatment step (II), a water washing step of rinsing hair with water;
After the water washing step, a reduction step of applying a first permanent agent containing a reducing agent to the hair;
After the reduction step, an oxidation step of applying to hair the second permanent agent containing an oxidizing agent;
Equipped with a,
The hair treatment method, wherein the second agent for permanents contains amino-modified silicone .