GB2120271A - Shampoo composition - Google Patents
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- GB2120271A GB2120271A GB08213458A GB8213458A GB2120271A GB 2120271 A GB2120271 A GB 2120271A GB 08213458 A GB08213458 A GB 08213458A GB 8213458 A GB8213458 A GB 8213458A GB 2120271 A GB2120271 A GB 2120271A
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- shampoo composition
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/0005—Other compounding ingredients characterised by their effect
- C11D3/0084—Antioxidants; Free-radical scavengers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/64—Proteins; Peptides; Derivatives or degradation products thereof
- A61K8/65—Collagen; Gelatin; Keratin; Derivatives or degradation products thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/02—Preparations for cleaning the hair
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Abstract
A shampoo composition comprises a shampoo base containing at least one anionic surface active agent and a decomposition derivative of keratin material selected from (1) decomposition products obtained by oxidation of keratin materials and (2) derivatives at a thiol group of decomposition products obtained by reduction of keratin material.
Description
SPECIFICATION
Shampoo composition
1. Field of the Invention
This invention relates to a shampoo composition and more particularly, to a shampoo composition which comprises a shampoo base containing anionic surface active agents and decomposition derivatives of keratin material and which shows an excellent hair conditioning effect and mild eye irritation.
2. Description of the Prior Art
Hitherto employed shampoos generally comprise singly or in combination, as their base, anionic surface active agents such as alkylsulfates and polyoxyethylenealkylsulfates and the like, nonionic surface active agents such as polyoxyethylene alkyl ethers, fatty acid alkylolamides and the like, or amphoteric surface active agents such as alkylbetaines, alkylamine oxides and the like.
On washing of hair with the shampoos containing these bases, it will be found that the sebum or other oils existing on the hair surface are washed off too much, so that the feeling of the washed hair becomes very poor to the touch and hard to comb or brush. In addition, when completely dried, such hair is hard to style. Especially in winter season of low humidity, since static electricity is ready to generate on brushing there occurs a phenomenon such as of hair fly with the attendant disadvantage that the hair is hard to comb, causing split-ends or broken hairs.
In order to overcome the above disadvantage, there is known a method of adding oils to ordinary shampoo bases to supplement the oil at the time of washing. Ordinarily employed shampoos are admixed with a variety of oils.
However, in the formulation system of shampoo, the system is in an emulsified or solubilized state by the action of surface active agents, so that it is difficult to add oils in amounts sufficient for scalp and hair without impairing the stability of the system.
With shampoos to which large amount of oil are added, an amount of adsorption of oil on hair increases but they involve disadvantages that lathering and detergency which shampoos should originally have deteriorate extremely with the commercial value being considerably impaired.
In recent years, on the other hand, there have been proposed many shampoo compositions including cationic polymers for the purpose of imparting a rinsing effect to hair after washing. However, these compositions have the following disadvantages: (1) Showing a conditioning effect but deteriorated in lathering ability and detergency; (2) Colored or discolored as time goes; (3) Excellent in lathering characteristic but poor in conditioning effect; and (4) High in cost.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a shampoo composition which can overcome the disadvantages of the known shampoo compositions and has such a conditioning effect as to impart softness and smoothness to hair after washing.
It is another object of the invention to provide a shampoo composition which comprises anionic surface active agents and decomposition derivatives of kertain materials in combination whereby excellent touches such as of softness, smoothness and the like and excellent conditioning effects such as of combing ease can be imparted to hair after washing without sacrifices of properties of the shampoo composition itself.
The above objects can be achieved according to the present invention by a shampoo composition which comprises a shampoo base containing anionic surface active agents and a decomposition derivative of keratin material selected from the group consisting of (1) decomposition products obtained by oxidation of keratin materials, (2) derivatives at the thiol group of decomposition products obtained by reduction of keratin materials and a mixture thereof.
DETAILED DESCRIPTION AND EMBODIMENTS OF THE INVENTION
Preferable anionic active agents to be used as the base of the shampoo composition include:
(1) Linear or branched alkylbenzenesulionates whose alkyl group has 10-1 6 carbon atoms on
average;
(2) Polyoxyalkylenealkylsulfates added with 0.5-8 moles, in average, of ethylene oxide and/or
propylene oxide per molecule, which have a linear or branched alkyl group having 8-20 carbon atoms on average;
(3) Alkylsulfates whose alkyl group has 10-20 carbon atoms on average;
(4) Olefinsulfonates having 10-1 2 carbon atoms on average in one molecule thereof;
(5) Alkanesulfonates having 10-20 carbon atoms on average in one molecule thereof;;
(6) Alkylethoxycarbonates having 10-20 carbon atoms on average in the alkyl group thereof
and added with 0.5-8 moles of ethylene oxide on average in one molecule thereof; and (7) Derivatives of succinic acid represented by the formula
(in which R represents an alkyl group or alkenyl group having 6-20 carbon atoms and X and Y independently represent a counter ion).
The counter ions of these anionic surface active agents include alkali metal ions such as sodium, potassium and the like, alkaline earth metal ions such as calcium, magnesium and the like, ammonium ions, and alkanolamines having 1-3 alkanol groups having 2 or 3 carbon atoms (e.g.
monoethanolamine, diethanolamine, triethanolamine, triisopropanolamine and the like).
Preferable anionic surface active agents among those mentioned above are linear or branched alkylsulfates having 10-1 6 carbon atoms on average, polyoxyethylenealkylsulfates (having an average number of added moles of 0.5-8) whose alkyl group has 8-20 carbon atoms on average, or olefinsulfonates having 10-1 6 carbon atoms on average, which are used singly or in combinations.
The decomposition derivatives of keratin material to be used in the present invention are (1) decomposition products obtained by oxidation of a keratin material, (2) derivatives at the thiol group of decomposition products obtained by reduction of a keratin which are prepared in the following manner and have an average molecular weight of 30,000-100,000, and a mixture thereof.
The starting keratin materials include, for example, animal hair, human hair, feather, claw, horn hoof and scale, among which wool, the hairs and feather are preferably used. These keratin materials may be subjected to the oxidation or reduction reaction as they are but, if necessary, may be cut or reduced into pieces of a suitable size or may be pretreated such as by washing and defatting.
(1) Decomposition products obtained by oxidation of keratins
The oxidation of keratin is feasible by a variety of methods known per se (N. H. Leon; Textile
Progress, Vol. 7, page 1(1 975)). Oxidizing agents are preferably organic or inorganic agents of the type which electrophilically acts on the disulfide bond (S-S bond) in the keratin structure. Examples of the oxidizing agents include organic peracids, inorganic peroxo acids or their salts, permanganic acid or its salts, chromic acid or related compounds, halogens, peroxides, oxyacids or their salts, and the like, among which the organic peracids such as peracetic acid, performic acid and perbenzoic acid are preferable.
The oxidation reaction is conducted in liquid media using oxidizing agents in excess with respect to the disulfide bonds in the keratin material, ordinarily in the amounts of over two equivalents or more, preferably 4-1 0 equivalents, of the disulfide bonds. The reaction is feasible under acidic or alkaline conditions and is preferably conducted under acidic conditions and particularly weakly acidic conditions.
The reaction temperature and pressure are varied depending on the types of the oxidizing agent and keratin material and are not critical. Room temperature is generally sufficient but, if necessary, heat may be applied. An atmospheric pressure is satisfactorily used in the practice of the invention but the reaction may be conducted under reduced pressure or under pressure.
By this, the disulfide bond of keratin material is cleft into sulfonic acid (-SO3H).
(2) Derivatives at the thiol group of decomposition products obtained by reduction of keratin materials.
Reducing agents employed for reducing keratin materials are preferably organic or inorganic reducing agents of the type which serves to cleave the disulfide bond in the keratin structure into a thiol group (-SH) and generally acts nucleophilically on the disulfide bond. Examples of the reducing agents include organic reducing agents such as mercaptoethanol, thioglycollic acid, benzylmercaptan, 1,4dithiothreitol, tributylphosphine and the like, and inorganic reducing agents such as sodium hydrogensulfite, sulfides such as sodium hydrosulfide, metallic hydrides such as lithium aluminium hydride. The amount of the reducing agent is usually in the range of 2-10 equivalents of the disulfide bonds in keratin material. The pH of the reaction system is in the range of 2-12, preferably 6-11.
Outside the range, the hydrolysis undesirably takes place at the same time. Room temperature is sufficient for the reaction but heat may be applied to shorten the reaction time. The reaction time is ordinarily in the range of 2-3 hours or more. Since the thiol group produced by the reduction is required not to be substantially oxidized, the reduction operation should conveniently be carried out in an atmosphere of inert gas to give good results.
the decomposition product obtained by the reduction of the keratin material is then chemically modified at the thiol group thereof to obtain a derivative thereof. The derivatives at the thiol group include: -SCH2COOH, -SCH2CH2COOH,
-SO3H -SSO3H, -SCH2CH2SO3H
-SCH2CH2SO2CH2COOH, among which -SCH2COOH and
are preferable.
The chemical modification of the thiol group is known per se and can be conducted, for example, based on the procedures known from N. H. Leon; Textile Progress, Vol. 7, page 1 (1975), "Yuki loo Kagobutsu (Organic Sulfur Compounds)" written by Shigeru Ookyo and published by Kagaku Dojin (1968) and "Kobunshi Jikkengaku Koza" written by Masami Oku, Vol. 12, Kyoritsu Shuppan (1957).
Typical methods are shown below.
(a) Method utilizing the nucleophilic substitution reaction of SH group K-SH+R-L KSR + HL (in which K represents a residue of a keratin compound, R represents a chemically modifying group to be introduced, and L represents a leaving atom or group such as a halogen atom or acid residue).
Compounds which react by this method include, for example, halogen compounds such as iodoacetic acid, bromoacetic acid, chloroacetic acid and the like.
(b) Method utilizing the nucleophilic addition reaction of SH group with a double bond between carbon atoms
(in which at least one of R1, R2, R3 and R4 represents a carboxyl group or sulfonic acid group, the other represent an alkyl group or hydrogen atom, and K has the same meaning as defined hereinbefore).
Compounds which react by this method include, for example, acrylic acid, methacrylic acid, crotonic acid, maleic acid, fumaric acid, vinyl carboxymethylsulfone, vinylsulfonic acid, styrenesulfonic acid, 2-acrylamido-2-methylpropanesulfonic acid and the like.
(c) Method using a substitution reaction between SH group and sulfite compound K-SH + NaHSO3 -t K-S-SO3H K-SH + Na2SO3 o K-S-SO3H Air (in which K has the same meaning as defined hereinbefore).
(d) Method of oxidizing SH group into sulfonic acid group K-SH - > K-SO3H
Oxidation (in which K has the same meaning as defined hereinbefore).
The oxidizing agents used in this reaction include, for example, halogens, permanganates and the like.
The decomposition derivatives of the keratin material used in the present invention are originally insoluble in polar solvents such as water, ethanol, propylene glycol and the like but show solubility in the presence of anionic surface active agents. In order to further increase the solubility, it is desirable to use alkaline materials in combination or for forming salts with the derivative. Examples of the alkaline materials include inorganic alkali compounds such as sodium hydroxide, potassium hydroxide and the like and organic alkali compounds such as ammonia, ethanolamine, diethanolamine, triethanolamine, 2amino-2-methylpropanol, aminomethylmercaptopropanediol, triisopropanolamine, glycine, alginine, histidine and the like.
The shampoo composition according to the invention is prepared by adding 0.01-10 wt% (hereinafter referred to simply as %), preferably 0.033%, of one or more of the decomposition derivatives of keratin material to a shampoo base containing 530%, preferably 1025%, of one or more of anionic surface active agents. Less amounts of the decomposition derivative than 0.01% are not favorable since satisfactory effects are not shown, whereas larger amounts than 10% are unfavorable since hair becomes sticky under high humidity conditions.
Preferably, the shampoo composition of the invention is so adjusted that the pH of its 5% aqueous solution is in the range of 4-8.
The shampoo composition of the invention may further comprise, aside from the abovedescribed two essential components, ingredients added to known shampoo compositions. For instance, there may be added, if necessary, the following ingredients in such amounts as not to impair the effect of the invention: amphoteric surface active agents, nonionic surface active agents; cationic surface active agents, solubilizing agents such as propylene glycol, glycerine, urea and the like, viscosityadjusting agents such as ethyl alcohol, isopropyl alcohol, hydroxyethyl cellulose, methyl cellulose, higher alcohols, and the like, perfumes, colorants, UV absorbers, antioxidants, preservatives, pearling agents, and lotioning agents.
The thus obtained shampoo composition of the invention not only is excellent in hair conditioning effect and washing effect, but also shows milder eye irritation than known shampoo compositions when getting in eyes by accident and only a gentle influence on the conjunctiva and iris.
The present invention is particularly described by way of references and examples, which should not be construed as limiting the present invention thereto.
Reference 1
Preparation of oxidation decomposition derivatives of keratin materials:
(a) Ten grams of wool fibers were immersed in 700 g of 8% aqueous peracetic acid solution at room temperature for 1 day for the oxidation reaction. The resulting oxidized wool was filtered and washed with water, and then immersed in 700 g of a 0.1 N ammoniacal solution at room temperature for 1 day, permitting about 90% of the wool to dissolve in the ammoniacal solution. About 1 g of the insoluble matters were removed by filtration and the aqueous ammoniacal solution of keratose as an oxidized decomposition product of wool keratin was admixed with 2N hydrochloric acid to adjust pH to 4.0 whereupon a-keratose was settled as a precipitate. This precipitate was filtered, washed with acetone and dried to obtain 5.4 g of a-keratose.
(b) Wool fibers were heated under pressure in an autoclave by the use of saturated steam of 6 kg/cm2 for 6 minutes and were abruptly released into the air to obtain a porous swollen matter. Ten grams of the swollen matter which had been reduced to pieces, 250 g of formic acid and 50 g of a 30% aqueous hydrogen peroxide solution were charged into a 500 ml three neck distillation flask to immerse the pieces at room temperature for 1 day, whereupon no powder was found in the solution with the foam-like matter being floated on the upper layer. This reaction mixture was filtered and the filtrate was poured into 1.5 liters of water, followed by adding hydrochloric acid to adjust the pH to 4. The resulting precipitate was collected by filtration and washed with 500 ml of water to obtain 4.5 g of a-keratose.
To the insoluble matters from which the reaction product had been removed by filtration were added 350 ml of water and then an ammoniacal solution to adjust the pH to 11, and the matters were immersed at room temperature for 1 day. The system was filtered and the filtrate was added with hydrochloric acid to adjust the pH to 4. The resulting precipitate was collected by filtration to obtain 0.7 g of a-keratose. It was found that 1.4 g of the insoluble matters were primarily made of p-keratose.
Reference 2
Preparation of reduced decomposition derivatives of keratin materials:
(a) Ten grams of wool fibers were immersed in 600 ml of an aqueous solution with concentrations of 8 M urea and 0.01 M Tris buffer, to which was added 6 ml of 2-mercaptpethanol, followed by adjusting the pH to 10 by means of a 5N potassium hydroxide aqueous solution to conduct the reduction reaction in an atmosphere of nitrogen at room temperature. About 3 hours after commencement of the reaction, the wool was allowed to dissolve in the reaction solution in an amount of about 85% thereof.While the system was adjusted with a 5N potassium hydroxide aqueous solution so as not to permit the pH below 7, 16.5 g of iodoacetic acid was gradually added and the pH of the system was finally adjusted to 8.5 to carry out the carboxymethylation reaction at room temperature for 2 hours. The reaction solution was filtered to remove insoluble matters therefrom and the resultant filtrate was charged into a cellulose tube wherein it was dialyzed against deionized water to remove low molecular weight impurities including urea. As the urea was dialyzed, the content in the cellulose tube was turned white since HGT (component with high contents of glycine and tyrosine) to be a waterinsoluble component precipitated. After completion of the dialysis, the HGT was removed by centrifugal separation and S-carboxymethyl kerain (SCMKA) was obtained from the neutral transparent aqueous solution of SCMKA by the isoelectric precipitation method. That is, 1 N hydrochloric acid was added to the system to adjust its pH to 4.4 by which SCMKA was turned insoluble and separated as precipitate.
This precipitate was filtered, washed with ethanol and dried to obtain 4.2 g of SCMKA.
(b) The procedure of Reference 2-(a) was repeated except that there were used instead of wool fibers feathers which were heated for 6 minutes in an autoclave by means of superheated steam of 6 kg/cm2 and 2400C and then abruptly released in the air to obtain a porous swollen matter and that
1.75 g of maleic acid was used instead of iodoacetic acid, thereby obtaining 5.3 g of S-(1,2dicarboxyethyl)-keratin.
(c) The procedure of Reference 2-(a) was repeated using a powder of hoof of horse instead of wool fibers and 11 g of acrylic acid instead of iodoacetic acid, thereby obtaining 4.2 g of S-(2-carboxyethyl)keratin.
(d) The procedure of Reference 2-(a) was repeated using 28 g of styrenesulfonic acid instead of iodoacetic acid, thereby obtaining 4.8 g of S-(sulfophenylvinyl)-keratin.
(e) Eight grams of wool fibers were dispersed in 300 ml of n-propanol and 300 ml of a 0.1 N Tris buffer solution. After substitution with nitrogen, 3.2 ml of tri-n-butylphosphine was added, followed by agitating at room temperature for 24 hours. After the solution was subjected to filtration, to the insoluble matters were added 400 ml of water, 9.28 g of maleic acid and about 30 ml of 5N potassium hydroxide to adjust the pH to 8.0, followed by agitating at room temperature for 6 hours. To the reaction system was added about 20 ml of a 28% aqueous ammoniacal solution to adjust the pH to 11.5, after which it was agitated at room temperature for 1 8 hours.The reaction solution was filtered to remove insoluble portion therefrom and the resultant filtrate was placed in a cellulose tube in which it was dialyzed against deionized water to remove low molecular weight impurities therefrom. After completion of the dialysis, the insoluble matters in the cellulose tube were removed by centrifugal separation and the neutral transparent aqueous solution was adjusted to have a pH of 4.4 by addition of about 5.5 ml of 1 N hydrochloric acid and the resulting precipitate was collected by filtration, followed by washing with ethanol and drying to obtain 3.9 g of S-(1 ,2-dicarboxyethyl)-keratin.
(f) The procedure of Reference 2-(e) was repeated except that there was used instead of wool fibers a power of a porous swollen matter which was obtained by heating wool in an autoclave by means of saturated steam of 6 kg/cm2 for 6 minutes and that 1 6.5 g of 2-acrylamido-2methylpropanesulfonic acid was used instead of maleic acid, thereby obtaining 4.5 g of keratin-S-(2 acrylamido-2-methylpropanesulfonic acid).
EXAMPLE 1
Shampoo compositions containing 30% of coconut fatty acid diethanolamide and suitable amounts of perfumes, and anionic active agents and decomposition derivatives of keratin materials indicated in Table 1 were prepared to conduct their performance evaluation tests. The results are shown in Table 2.
The evaluation tests were conducted according to the following methods.
( 1 ) Lathering test
To an aqueous 1% solution of each shampoo composition was added an artificial stain of 0.1% of
lanolin which was agitated in a cylinder by means of a plain propeller at a rate of 1000 r.p.m. at
400C for 5 minutes under such conditions that the rotation was reversed every 10 seconds. Thirty
seconds after completion of the agitation, the amount of lather was measured.
(2) Feeling of Lather
After thirty grams of human hair had been wetted with water at 400 C, the excess water was
squeezed out to permit 20 g of the water to be contained. Then, the hair was washed by use of 1 g
of each shampoo composition and the feeling of the lather was sensorially evaluated by a panel
of twenty female members.
Evaluation Items:
The degree of easiness of passing fingers through hair while washing was evaluated as "slipping
of lather" and the appearance of the lather was evaluated from a viewpoint of "creaminess".
Evaluation Standards:
* The slipping of lather is better than that of reference product or the appearance of lather is more
creamy.
* Equal to reference product.
Reference Product:
Sodium polyoxyethylene (3) laurylsulfate 15% Coconut fatty acid diethanolamide 3
Perfume suitable amount
Water balance
(pH 7.2)
Evaluation:
* Hair fly took place.
* Hair fly did not take place.
(3) Combing Force
After thirty grams of an artificial hair was wetted with water at 400C, the excess water was
squeezed out to permit 20 g of water to be contained. One gram of each shampoo composition
was used for washing of the hair and a rinsing operation was repeated twice. The hair was
attached to a strain gauge after the excess water was squeezed out and combed to measure a
force exerted on the hair at the time of the combing (wet state). Then, the hair was dried by a dryer
and allowed to stand overnight in an air-conditioned room of 200C and 65% R.H. and then
attached to a strain gauge, followed by combing to measure a force exerted on the hair at the time
of combing (dry state).
(4) Hair Fly
On the measurement of the "combing force" in the dry state, it was observed whether or not the
hair fly phenomenon occurred by the action of static electricity.
TABLE 1
Sample Anionic Surface Decomposition Derivative of No. Active Agent Keratin Material 1 triethanolamine lauryl Decomposition derivative of sulfate (15%) reference 1-(a) (2%) 2 reference 1-(b) (2%) 3 reference 2-(a) (2%) 4 reference 2(b) (2%) 5 reference 2-(c) (2%) 6 reference 2-(d) (2%) 7 " " II reference 2-(e) (2%) 8 reference 2-(f) (2%) 9 sodium lauryl sulfate (15%) reference 1-(a) (2%) 10 sodium polyoxyethylene " (2%) (2) lauryl sulfate (15%) 11 ammonium lauryl sulfate " (2%) (15%) 12 sodium lauryl sulfate ,, (0.1%) (15%) 13 .. " (0.5%) 14 " " (10%) 15 " " (20%) 16 sodium polyoxyethylene (2) lauryl sulfate (15%) reference 2-(a) (0.1%) 17 " " (1.0%) 18 " " (10%) 19 ., " (20%) TABLE 1 (Continued)
Sample Anionic Surface Decomposition Derivative of No. Active Agent Keratin Material 20 triethanolamine lauryl acid decomposition sulfate (15%) product of collagen (M.W. 10,000-20,000) (2%) 21 " alkali decomposition product of collagen (M.W. 800-1,000) (3%) 22 " nil TABLE 2
Lathering Characteristics Characteristics after Washing Felling of Lather Combing Force (9) Amount Sample of lather Slipping Wet Dry Hair No. (ml) of lather Creaminess st. st. fly 1 170 o o 200 80 o 2 168 o o 195 85 o 3 170 o o 190 80 o 4 165 o o 180 75 o 5 160 o o 220 90 o 6 165 o o 205 90 o 7 167 o o 200 85 o 8 165 o o 205 85 o 9 165 o o 180 80 o 10 165 o o 205 85 o 11 174 o o 190 80 o 12 142 o~# o~# o~# 320 160 orvA 13 154 o o 210 105 o 14 166 o o 205 85 o 15 170 o o -200 85 o 16 135 o,""A oA # 295 160 o~A 17 151 o o 220 110 o 18 162 o o 195 95 o 19 159 o o 200 95 o 20 152 A A 350 175 A 21 148 A A 360 170 A 22 112 x x 470 210 x EXAMPLE 2
Shampoo compositions A (inventive product) and B (comparative product) of the following formulations were prepared and their effects were evaluated by a paired sensorial evaluation by a panel of 20 female members. The results are shown in Table 3.
Shampoo composition:
A B
Triethanolamine lauryi sulfate 1 8.0(%) 1 8.0(%) Decomposition derivative of
keratin material
(obtained in reference 2-(a)) 2.0
Perfume 0.3 0.3
Colorant Small Small
amount amount
Water Balance Balance
TABLE 3
Shampoo A Shampoo B Evaluation Item being better being better Hard to say creaminess of lather 15 3 2 easiness of passing fingers through hair 17 1 2 feel of hair after washing (wet) 17 0 3 feel of hair after washing (dry) 19 0 1 easiness of setting hair together 18 0 2 EXAMPLE 3
The shampoo composition A (inventive product) used in Example 2 and a commercially available shampoo were used to check the degree of irritation to eyes by the Oraize method. That is, 0.1 ml of each shampoo composition was dropped in the eyes of five healthy white, male rabbits weighing 2.5-3.0 kg. Three hours and 24 hours after the dropping, the cornea, iris and conjuctiva of five rabbits were observed and the results were calculated according to the following inspection method to give average values.A total value was obtained by adding a value which was obtained by multiplying two average values of cornea by themselves and further by 5, a value which was obtained by multiplying an average value of the iris by 5, and a value which was obtained by adding three average values of the conjuctiva to one another and then multiplied by 2. A higher total value shows a greater degree of the irritation to eyes. The results are shown in Table 4.
Inspection Method:
1. Cornea
Opacity 0N4
Area of cornea involved 0 N 4
2. Iris:
Congestion 0 N 2 3. Conjuctiva:
Redness 0N3
Chemosis O ~ 4 Discharge O N 3 TABLE 4
A Commercially Shampoo Composition (Inventive product) available product Time after dropping (hrs.) 3 24 3 24 Opacity 1 0 1 1 Cornea Area of cornea involved 1 0 4 2 Iris Congestion 0 0 0 0 Redness 1 0 2 1 Conjucti va Chemosis 0 0 2 1 Discharge 1 0 2 1 Total 9 0 32 16
Claims (8)
1. A shampoo composition comprising a shampoo base containing at least one anionic surface active agent and a decomposition derivative of keratin material selected from the group consisting of (1) decomposition products obtained by oxidation of keratin materials, (2) derivatives at a thiol group of decomposition products obtained by reduction of keratin materials, and (3) a mixture thereof.
2. A shampoo composition according to Claim 1, wherein said at least one anionic surface active agent is contained in an amount of 5 to 30% by weight of said shampoo composition.
3. A shampoo composition according to Claim 2, wherein said at least one anionic surface active agent is contained in an amount of 10 to 25% by weight of said shampoo composition.
4. A shampoo composition according to Claim 1, 2 or 3, wherein said decomposition derivative of keratin material is added in an amount of 0.05 to 10% by weight of said shampoo composition.
5. A shampoo composition according to Claim 4, wherein the amount of said decomposition derivative of keratin material is in the range of 0.2 to 3% by weight.
6. A shampoo composition according to Claim 1, wherein said shampoo composition is adjusted to have a pH range of 4-8.
7. A shampoo composition according to Claim 1, wherein said at least one anionic surface active agent is a linear or branched alkylsulfate having 10 to 1 6 carbon atoms on average, a polyoxyethylenealkylsulfate whose alkyl group has 8 to 20 carbon atoms on average, or an olefinsulfonate having 10 to 20 carbon atoms on average.
8. A shampoo composition according to Claim 1, wherein the derivative at the thiol group is a member selected from the group consisting of -SCH2COOH, -SCH2CH2COOH,
-SO3H, -SSO3H, -SCH2CH2SO3H
-SCH2CH2SO2CH2COOH,
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08213458A GB2120271B (en) | 1982-05-10 | 1982-05-10 | Shampoo composition |
SG46887A SG46887G (en) | 1982-05-10 | 1987-05-26 | Shampoo composition |
HK76587A HK76587A (en) | 1982-05-10 | 1987-10-15 | Shampoo composition |
MY622/87A MY8700622A (en) | 1982-05-10 | 1987-12-30 | Shampoo composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08213458A GB2120271B (en) | 1982-05-10 | 1982-05-10 | Shampoo composition |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2120271A true GB2120271A (en) | 1983-11-30 |
GB2120271B GB2120271B (en) | 1986-01-22 |
Family
ID=10530259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08213458A Expired GB2120271B (en) | 1982-05-10 | 1982-05-10 | Shampoo composition |
Country Status (4)
Country | Link |
---|---|
GB (1) | GB2120271B (en) |
HK (1) | HK76587A (en) |
MY (1) | MY8700622A (en) |
SG (1) | SG46887G (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB271071A (en) * | 1926-05-15 | 1928-05-24 | Ig Farbenindustrie Ag | Improvements in the manufacture and production of soap-like preparations |
GB1254309A (en) * | 1968-12-20 | 1971-11-17 | Beecham Group Ltd | Shampoos |
GB1314616A (en) * | 1970-08-27 | 1973-04-26 | Beecham Group Ltd | Shampoos |
GB1374884A (en) * | 1971-10-22 | 1974-11-20 | Athlon Corp | Whole protein shampoo composition |
-
1982
- 1982-05-10 GB GB08213458A patent/GB2120271B/en not_active Expired
-
1987
- 1987-05-26 SG SG46887A patent/SG46887G/en unknown
- 1987-10-15 HK HK76587A patent/HK76587A/en unknown
- 1987-12-30 MY MY622/87A patent/MY8700622A/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB271071A (en) * | 1926-05-15 | 1928-05-24 | Ig Farbenindustrie Ag | Improvements in the manufacture and production of soap-like preparations |
GB1254309A (en) * | 1968-12-20 | 1971-11-17 | Beecham Group Ltd | Shampoos |
GB1314616A (en) * | 1970-08-27 | 1973-04-26 | Beecham Group Ltd | Shampoos |
GB1374884A (en) * | 1971-10-22 | 1974-11-20 | Athlon Corp | Whole protein shampoo composition |
Also Published As
Publication number | Publication date |
---|---|
MY8700622A (en) | 1987-12-31 |
SG46887G (en) | 1987-08-28 |
HK76587A (en) | 1987-10-23 |
GB2120271B (en) | 1986-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930510 |