CN109512703B - Hair is fostered earlier and is washed product system afterwards - Google Patents
Hair is fostered earlier and is washed product system afterwards Download PDFInfo
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- CN109512703B CN109512703B CN201811632110.4A CN201811632110A CN109512703B CN 109512703 B CN109512703 B CN 109512703B CN 201811632110 A CN201811632110 A CN 201811632110A CN 109512703 B CN109512703 B CN 109512703B
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- A61K8/896—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate
- A61K8/898—Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine
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Abstract
The invention relates to a hair washing and protecting composition, in particular to a hair nourishing and washing composition which is used for protecting hair firstly and then washing hair. The present invention comprises two separate hair care compositions, a first composition, a first conditioning composition and a second composition, a shampoo composition, wherein: the first composition, the first nourishing conditioning composition (A), consists of a cationic conditioner, a cationic surfactant, a ceramide and the like; second composition (B) A shampoo composition is composed of an anionic surfactant, an amphoteric surfactant, an aminooxide type nonionic surfactant, and a cationic conditioning polymer. The hair conditioning agent can balance the dry and wet conditioning performance of hair, enhance the toughness, conditioning durability and permeability of the hair, and avoid the damage caused by frequent washing and protecting accumulation of the hair.
Description
Technical Field
The invention relates to a hair washing and protecting composition, in particular to a composition for washing hair after protecting hair.
Background
The development of the shampoo technology is closely related to habits, requirements and continuous innovation of using products by people, international companies in 80 years introduce 2 in 1 shampoo (shampoo using polydimethylsiloxane for the first time commonly called silicone oil) into China and prize the high-speed development of the washing and caring market in China, and the 2 in 1 cleaning and conditioning technology brings convenience to people.
Today after 30 years, hair wash and care products have entered a sub-divided age. Various hair films, hair essences, spray-type hair care, mousse-type hair washing and care, scalp cleaning and maintenance, cleaning-type hair conditioner products and the like are developed, and thus, the choice is left for people. In a word, people often use 2-in-1 shampoo to clean hair in a daily hair washing and protecting procedure, and then use a hair conditioner for washing and protecting, which is referred to as hair washing and hair conditioner, and two product formula systems for washing and protecting firstly usually contain cation and silicone oil conditioning components, so that the hair washing and protecting method has a good dry/wet experience effect for long-hair users, but the problem of excessive conditioning may exist after long-term use, for example, silicone oil and cation accumulation phenomena are easily generated after long-term use, the accumulation causes that the washing and protecting conditioning performance shows a decline trend and the permeability is poor, thick and heavy hair feeling may occur, conditioning and softening are not lasting, and the phenomena that people want to replace new shampoo after a period of time are used, and the like.
Furthermore, the silicone-free shampoo products and concepts prevalent in japan have recently passed to china and become the best segments of the chinese shampoo market. Silicone-free oil lotions have many advantages such as transparency, ability to clean the scalp and hair, and more refreshing and clear hair after application, but the only disadvantage is that ideal dry and wet conditioning is not achieved, especially for long-hair users.
According to a large amount of formula application researches, the invention discovers that the hair washing and protecting adopts a technical mode of 'washing after protecting', and is characterized in that: the hair pre-nourishing conditioner is used before hair washing, the active ingredient (LipidBinding) in the 'pre-nourishing conditioning composition' can quickly permeate into the hair and replenish lipid lost due to frequent hair washing, and the residual hair pre-nourishing active ingredient permeated in the hair after hair washing (after hair is dried) returns to the hair surface to form a hydrophobic protective film and plays a role in softening and conditioning. The hair care-first-rinse-later product system can balance the hair care conditioning performance, enhance the toughness, the lasting conditioning performance and the permeability of the hair, and avoid the damage caused by excessive hair care accumulation, and the technology is also called as pre-rinse pro-shampoo technology or hair care-first-rinse technology.
Disclosure of Invention
The invention aims to provide a hair-first-care and then-washing composition.
The hair first-care and second-wash composition comprises two independent hair care compositions, wherein (A) the first-care conditioning composition is used on dry hair or wet hair before washing the hair, and then (B) the hair washing composition is used for washing the hair;
(A) a pro-nutritional conditioning composition comprising, in addition to a cosmetically acceptable carrier:
i) from 0.05% to 10% by weight of the pro-nutritional conditioning composition of a cationic conditioning agent which is cetyl triethylammonium polydimethylsiloxane PEG-8 succinate and acrylamidopropyl trimethylammonium chloride/acrylamide copolymer,
ii) from 0.05% to 10% by weight of the pro-nutritional conditioning composition of a cationic surfactant selected from at least one of PEG-2 oleylmethylammonium chloride, cocotrimethylammonium chloride, cetyltrimethylammonium chloride, stearyltrimethylammonium chloride, behenyltrimethylammonium chloride, distearyldimethylammonium chloride or stearamidopropyldimethylamine;
iii) 0.5% to 10% by weight of the pro-nutritional conditioning composition of a saturated, linear or branched, long-chain alcohol C having from 8 to 22 carbon atoms14-22A fatty alcohol mixture, the fatty alcohol mixture being C14Alcohol: c16-18Alcohol: c22Alcohol is mixed according to a weight ratio of 2: 1: mixing at a ratio of 0.5;
iv) 0.1% to 10% by weight of the pro-nutritional conditioning composition of a ceramide, which is hexadecylhydroxyproline palmitamide;
v) from 1% to 30% by weight of the precontrol conditioning composition of liquid lanolin that is a fluid liquid at 20-25 ℃;
(B) a shampoo composition comprising, in addition to a cosmetically acceptable carrier:
i) from 1% to 40% by weight of the shampoo composition of an anionic surfactant;
ii) an amphoteric surfactant in an amount of from 1% to 10% by weight of the shampoo composition; the amphoteric surfactant is at least one of sodium cocoamphoacetate and cocamidopropyl betaine,
iii) from 0.1% to 5% by weight of the shampoo composition of an aminooxide-type nonionic surfactant,
iv) from 0.05% to 10%, by weight of the shampoo composition, of a cationic conditioning polymer, the conditioning polymer being a cationic guar polymer and an acrylamidopropyltrimethylammonium chloride/acrylamide copolymer.
The hair-first-care and later-washing composition comprises cetyl triethyl ammonium polydimethylsiloxane PEG-8 succinate and acrylamide propyl trimethyl ammonium chloride/acrylamide copolymer in a weight ratio of 2:1 to 1: 2.
The hair first-care and later-washing composition comprises a cationic surfactant, wherein the cationic surfactant is distearyl dimethyl ammonium chloride.
The hair nourishing-first and washing-later composition comprises at least one of alkyl sulfate, alkyl polyoxyethylene ether sulfate, fatty acid monoglyceride sulfate, alkyl sulfonate, N-acyl sarcosine salt, N-acyl glutamate and alkyl phosphate.
The hair rinse-first composition of the present invention wherein the amphoteric surfactant is cocamidopropyl betaine.
The hair rinse-after-hair composition of the present invention wherein the amino oxide type nonionic surfactant is at least one of laurylamine oxide, cocamidopropyl amine oxide and decyl amine oxide.
The hair rinse-before-hair composition of the present invention, wherein the weight ratio of cationic guar polymer to acrylamidopropyl trimethyl ammonium chloride/acrylamide copolymer is 1: 5 to 1: 10.
compared with the prior art, the invention has the following advantages:
the hair nourishing-before-washing composition realizes the hair nourishing, repairing, nourishing and conditioning effects through the hair rapid penetration effect of the hair nourishing-before-washing conditioning composition before washing the hair and the characteristic of a hydrophobic protective film formed by the hair nourishing active ingredients penetrating and staying in the hair after washing the hair (after the hair is dried) and returning to the hair surface. Can balance the dry and wet conditioning performance of the hair, enhance the toughness, conditioning durability and permeability of the hair, and avoid the damage caused by frequent washing and protecting of the hair.
Detailed Description
The selection and action of the components of the present invention are described in detail below.
Xian Yang recuperating composition (A)
The hair after-treatment conditioning composition (A) contains a cationic conditioning agent accounting for 0.05-10% of the weight of the conditioning agent, is further optimized to be 0.05-5% and is further optimized to be 0.05-3%, the cationic conditioning agent is cetyl triethylammonium polydimethylsiloxane PEG-8 succinate and acrylamide propyl trimethyl ammonium chloride/acrylamide copolymer, wherein the cetyl triethylammonium polydimethylsiloxane PEG-8 succinate is a very mild cationic conditioning agent and fat-endowing agent, can be used for conditioning scalp and hair, and does not generate irritation, such as brands
S-PF Biosil Technologies, Inc.; the acrylamidopropyl trimethyl ammonium chloride/acrylamide copolymer is selected from the group consisting of the ashland N-DurHanceTMAA2000, a medium molecular weight (10-20 ten thousand Da) high charge density (charge density 2.0meq/g) conditioner, is a transparent liquid with total solid content of 19-21%, and pH of 3.5-4.5, and can be adsorbed tightly on hair surface with negative charge to form hydrophobic protection during hair pre-nourishingThe membrane, used together with ceramide and liquid lanolin, has penetrating and synergistic repairing effects.
The hair first-care and second-wash composition of the invention comprises the following two cationic conditioning agents in the (A) first-care conditioning composition in a weight ratio: cetyl triethylammonium polydimethylsiloxane PEG-8 succinate: acrylamidopropyltrimethylammonium chloride/acrylamide copolymers equal to 2:1 to 1: 2.
The hair first-nourishing and then-washing composition contains a cationic surfactant which accounts for 0.05-10% of the weight of the conditioner, is further optimized to be 0.05-8% and then is optimized to be 0.05-5%, and the cationic surfactant is distearyl dimethyl ammonium chloride and plays a role in an antistatic and emulsion stabilizing system.
The hair first-care and second-wash composition comprises (A) a first-care conditioning composition which contains 0.5 to 10 weight percent of saturated straight-chain or branched-chain long-chain alcohol C14-22 fatty alcohol mixture with 8 to 22 carbon atoms, wherein the fatty alcohol mixture is C14 alcohol: c16-18 alcohol: c22 alcohol in a weight ratio of 2: 1: 0.5, and the C14-22 fatty alcohol mixture and the cationic surfactant form a liquid crystal system to play the roles of moisturizing, fat-endowing and stabilizing the system.
The hair first-care and second-wash composition of the invention comprises 0.1-10 wt% of ceramide in the (A) first-care conditioning composition, and is further optimized to be 0.1-8 wt%, and is further optimized to be 0.1-4 wt%. There are 7 types of free ceramides in the stratum corneum of human skin, of which ceramide 2 is the major constituent of skin and hair, and ceramide 2 appears as a major constituent in hair cell membrane complexes to play a key role in hair's natural lightness, toughness and suppleness. However, with age or increased hair damage, ceramide 2 in hair tends to decrease. In the practical cosmetic application process, the macromolecular structure of the ceramide 2 has high melting point and poor solubility, and the purpose is difficult to achieve when the ceramide is used. It is therefore contemplated to choose to supplement it with a substance of similar chemical structure to ceramide 2, known as a ceramide-like substance.
In the hair first-care and second-wash composition (A) first-care conditioning composition, the ceramide is hexadecylhydroxyproline palmitamide, and has the functions of adsorbing, tightening and repairing hair protein fibers. The hexadecylhydroxyproline palmitamide, liquid lanolin, a cationic conditioner, cetyl triethylammonium polydimethylsiloxane PEG-8 succinate and an acrylamide propyl trimethyl ammonium chloride/acrylamide copolymer have a synergistic effect, and the functions of lipid binding and injury repair (nappy lipopondding technology) of the ceramide-like on hair are increased.
In the hair first-care and second-wash composition (a) first-care conditioning composition of the present invention, the ceramide is hexadecylhydroxyproline palmitamide, molecular formula: c37H71NO4The hair conditioner is white solid powder, has a melting point of 45-55 ℃, contains more than or equal to 90% of active matters, is bionic lipid, has good adsorbability and damage repairing property on hair, and has the functions of adsorbing and binding hair natural lipid, so that the toughness of the hair is improved.
The hair first-care and later-washing composition of the invention comprises (A) liquid lanolin accounting for 1-30% of the weight of the composition, and is further optimized to be 2-20% and then optimized to be 3-15%.
In the hair care-first and wash-later composition, the liquid lanolin is a fluid liquid at the temperature of 20-25 ℃, is called wool oil, is lanolin without wax, and has good moisture retention and non-stick property in skin care products. The liquid lanolin has a melting point lower than that of general cream anhydrous lanolin (melting point about 35-45 ℃) and between 20-25 ℃, so that the liquid lanolin has better penetrability on hair, can penetrate into the interior of hair (hair cortex) for storage and supplement of hair lipid components lost by multiple shampooing, when shampooing, excess lipid components such as liquid lanolin attached to the surface of hair are washed away, and when the hair is dried, pre-set conditioning components (lipid components such as liquid lanolin) partially penetrating and residing in the interior of hair begin to float and form a film on the surface of dried hair, thereby achieving effects of reducing friction, softening and conditioning hair.
The first-care conditioning composition (A) is an oil-in-water emulsion formed by a composition which takes distearyl dimethyl ammonium chloride cationic surfactant as an emulsifier and takes liquid lanolin, ceramide-like, cationic conditioning agents, cetyl triethyl ammonium polydimethylsiloxane PEG-8 succinate, acrylamide propyl trimethyl ammonium chloride/acrylamide copolymer and the like as lipid active ingredients, and the active ingredients of the emulsion have the characteristics of hair penetration and film formation (Laarene LipidBinding technology) and play a role in the pre-care and repair of hair, namely, the effects of penetration repair of hair before washing, film formation of the hair after washing, nourishing and conditioning are exerted on the hair.
The first composition (a), the first conditioning composition of the first rinse-off hair composition of the present invention may also comprise a number of optional ingredients including chelating agents, pH adjusters, preservatives, perfumes, pigments. The chelating agent is present in an amount of 0.01% to 0.30% by weight of the composition, non-limiting examples of which are: ethylenediaminetetraacetic acid, disodium ethylenediaminetetraacetate, tetrasodium ethylenediaminetetraacetate, etc., preferably disodium ethylenediaminetetraacetate; non-limiting examples of such pH adjusting agents are: citric acid, phosphoric acid, lactic acid, etc., preferably citric acid, and adjusting the pH of the system to 4.0 to 8.5, preferably 4.0 to 5.5; the selection of the preservative, the essence and the pigment meets the regulation of the cosmetic hygiene standard, and safe raw materials are selected.
Second composition shampoo composition (B)
The hair nourishing and washing composition (B) contains 1-40 wt% of anionic surfactant, wherein the anionic surfactant is sodium lauryl sulfate or sodium laureth sulfate, the content of active substances of commercially available products of the sodium laureth sulfate is 70%, and the appearance of the commercially available products is white or light yellow paste. The sodium laureth sulfate also has the characteristic of a nonionic surfactant, and still has good decontamination capability in hard water. Sodium laureth sulfate is preferred in the present invention.
The hair nourishing and washing composition (B) contains 8-15 wt% of sodium laureth sulfate.
The hair nourishing and washing composition comprises (B) a shampoo composition containing 1-10 wt% of amphoteric surfactant; the amphoteric surfactant is at least one of sodium cocoamphoacetate and cocamidopropyl betaine, the sodium cocoamphoacetate is colorless to yellowish transparent viscous liquid, the active content of a commercially available product is 30%, the cocamidopropyl betaine is colorless to yellowish transparent liquid, the active content of the commercially available product is 30%, and the two surfactants have excellent mild cleaning capability and can improve the foaming performance of shampoo. The amount of foam and the foam stability are improved. Cocamidopropyl betaine is preferred in the present invention.
The hair first-care and later-washing composition comprises (B) a shampoo composition containing 1-6% of cocamidopropyl betaine by weight of the composition;
the hair first-care and later-washing composition (B) contains 0.1-5% of amino oxide type nonionic surfactant by weight of the composition, wherein the amino oxide type nonionic surfactant is at least one of lauryl amine oxide, cocamidopropyl amine oxide and decyl amine oxide, and the amino oxide type nonionic surfactant is preferably cocamidopropyl amine oxide, also called cocamidopropyl amine oxide. The cocoamidopropyl amine oxide has the solid content of 31-33 percent and the pH value of 6.5-8.5, is a mild amino oxide type nonionic surfactant, and plays a role in synergistic foaming, cleaning and hair permeability improvement in the invention.
The hair first-care and later-washing composition comprises (B) the shampoo composition which contains 0.5-3% of cocamidopropyl amine oxide by weight of the composition.
Hair rinse-after-hair compositions according to the present invention the shampoo compositions (B) comprise from 0.05% to 5% by weight of the composition of a cationic conditioning polymer selected from: at least one of a cationic cellulose polymer, a cationic guar polymer, and an acrylamidopropyltrimethylammonium chloride/acrylamide copolymer, preferably a cationic guar and an acrylamidopropyltrimethylammonium chloride/acrylamide copolymer. The cationic guar gum is a product obtained by quaternizing guar gum, the main component of the cationic guar gum is guar gum propyl trimethyl ammonium chloride, a series of cationic guar gum products can be obtained according to different substitution degrees, the preferable substitution degree is 0.1-0.2, the nitrogen content is 1.3-1.7%, and the viscosity of a 1% aqueous solution of the cationic guar gum used in the invention is 3500 mPa.s-4500 mPa.s at 25 ℃; the acrylamide propyl trimethyl ammonium chloride/acrylamide copolymer is an acrylate-based homopolymer, has excellent hair affinity, can be precisely deposited on damaged hair without accumulation, can effectively improve the hair combing and caring experience of consumers, brings lasting hair repairing and conditioning effects, can continuously repair the damaged hair for a long time, and enables the hair to recover natural physiological characteristics, namely, the hydrophobicity of the hair is kept for a long time.
The hair first-care and second-wash composition comprises (B) a shampoo composition containing 0.05-3.5 wt% of cationic conditioning polymer, wherein the cationic conditioning polymer is cationic guar gum polymer and acrylamide propyl trimethyl ammonium chloride/acrylamide copolymer, and the weight ratio of the cationic guar gum polymer to the acrylamide propyl trimethyl ammonium chloride/acrylamide copolymer is 1: 5 to 1: 10. the cationic guar gum polymer and the acrylamide propyl trimethyl ammonium chloride/acrylamide copolymer are compounded to achieve the best hair conditioning and repairing effects.
The hair rinse-after-hair compositions of the present invention the shampoo compositions of (B) may also contain other optional ingredients including pearlizing agents, viscosity modifiers, chelating agents, pH modifiers, preservatives, pigments, perfumes, and the like. From 0.05% to 3.0% by weight of the composition of a pearlescent agent, non-limiting examples of which are: ethylene glycol monostearate monoester and ethylene glycol distearate, propylene glycol monostearate and glyceryl palmitate, magnesium alkyl stearamide, finely divided zinc oxide and titanium dioxide, preferably ethylene glycol distearate. The viscosity modifier is 0.1% to 5.0% by weight of the composition, non-limiting examples of which are: sodium chloride, ammonium chloride, monoethanolamine chloride, sodium sulfate, ammonium phosphate, hydroxyethyl cellulose, hydroxypropyl cellulose, copolymers of acrylic acid and long-chain alkyl methacrylates, acrylate/stearyl ether-20/methacrylate copolymers, methyl glucoside polyoxyethylene ether (120) dioleate, and the like. The chelating agent is present in an amount of 0.01% to 0.30% by weight of the composition, non-limiting examples of which are: ethylenediaminetetraacetic acid, disodium ethylenediaminetetraacetate, trisodium ethylenediaminetetraacetate, tetrasodium ethylenediaminetetraacetate, etc., preferably disodium ethylenediaminetetraacetate; non-limiting examples of such pH adjusting agents are: citric acid, phosphoric acid, etc., preferably citric acid, adjusting the pH of the system at 5.0 to 8.0, preferably 5.5 to 6.5; the selection of the preservative, the essence and the pigment meets the regulation of the cosmetic hygiene standard, and safe raw materials are selected.
In the shampoo composition of the present invention, in addition to the above-mentioned components, a desired amount is made up with water.
Application method
The hair nourishing and washing composition is characterized in that a proper amount of the nourishing and conditioning composition (A) is taken out before washing hair and is coated on dry hair or wet hair, the nourishing and conditioning composition (A) is uniformly coated from the root to the tail of the hair, and then the hair is washed by the hair washing composition (B).
The first-care and later-washing procedures (A) and (B) can be repeated for a plurality of times according to the requirement (the damaged degree of hair) so as to achieve the required deep-layer care effect. The product (B) can be used alone after the hair injury phenomena such as 'drying', 'hair-frying' or 'entanglement' and the like are repaired after the products (A) and (B) are used for 1-3 times.
Examples
The following are non-limiting examples of shampoo compositions of the invention. These examples are given solely for the purpose of illustration and are not to be construed as limitations of the present invention, as many variations of the present invention are possible without departing from the spirit and scope of the invention, e.g., the use of pre-cure post-wash techniques to develop "pre-cure type" such as deep-shave hair membranes, long-lasting conditioning performance hair essences, etc., and "post-wash type" such as deep-shave shampoos, etc. The term "minor substances" is used to refer to optional substances such as preservatives, viscosity modifiers, pH modifiers, fragrances, colors, and the like, the selection of which minor substances will vary depending upon the physical and chemical characteristics of the particular ingredients selected to make the present invention.
Preparation examples 1-10 and blank control example
A suitable method for preparing examples 1-10(A) is as follows:
adding a proper amount of water into a reaction tank, adding disodium ethylene diamine tetraacetate, cetyl triethylammonium polydimethylsiloxane-PEG-8 succinate and acrylamide propyl trimethyl ammonium chloride/acrylamide copolymer, stirring and heating to 80 ℃, adding C14 alcohol, C16-18 alcohol, C22 alcohol, ceramide and liquid lanolin, heating to 80 ℃, uniformly mixing, homogenizing for 2 minutes at 2500rmp/min after all materials are dissolved, vacuumizing to-0.02 MPa, cooling after homogenization, adjusting the stirring speed to 30-35rpm, vacuumizing to the lowest, adding citric acid, preservative, essence, pigment and the like, and continuously stirring to ensure that uniform emulsion is obtained.
A suitable method for preparing examples 1-10(B) is as follows:
adding a proper amount of water into a reaction tank, adding guar gum for dispersing under slow stirring, heating to 60-80 ℃ under slow stirring, and adding a proper amount of citric acid for neutralization. Then adding sodium laureth sulfate, cocamidopropyl betaine, cocamidopropyl amine oxide, acrylamidopropyl trimethyl ammonium chloride/acrylamide copolymer, ethylene glycol stearic acid diester and disodium ethylene diamine tetraacetate (if used), completely dispersing and dissolving the substances, keeping the temperature for 30 minutes, and starting to reduce the temperature. When the temperature is reduced to about 50 ℃, sodium chloride, citric acid, preservative, pigment, essence and the like are added and continuously stirred to ensure that a uniform mixture is obtained. After all the components are added, a viscosity modifier and a pH modifier may be added as needed to adjust the viscosity and pH of the product to a suitable degree. Optionally, a small amount of water may be added to make up.
The blank example was prepared as described above.
A first-care, second-wash composition comprising a first-care conditioning composition (a) and a shampoo composition (B), wherein:
preculture Conditioning compositions (A) examples (1) to (5) Table 1
TABLE 1
Shampoo compositions (B) examples (1) - (5) Table 2
TABLE 2
Preculture Conditioning compositions (A) examples (6) to (10) Table 3
TABLE 3
Shampoo compositions (B) examples (6) to (10) Table 4
TABLE 4
Blank control example of the invention
Preculture conditioning composition (a) -blank control example table 5
TABLE 5
Shampoo compositions (B) -blank control examples Table 6
TABLE 6
Best mode for carrying out the invention
The first-care and second-wash composition consists of a first-care conditioning composition (a) and a shampoo composition (B), wherein:
best examples of preculture conditioning compositions (A) Table 7
TABLE 7
Best examples of shampoo compositions (B) Table 8
TABLE 8
Effect verification
Hair tensile strength (tenacity) test:
the hair tensile strength is a variable and can be used for judging the repairing effect of the hair after the product is used, the higher the hair tensile strength is, the better the toughness of the hair is represented, and the higher the damaged hair tensile strength is, the better the damage repairing effect of the hair is represented (see table 9)
A test method;
the instrument is an Instron tensile machine.
Hair strand treatment: several samples of about 10 grams of tress (asian hair) were taken and 3 bleaching treatments were performed for future use.
And (3) testing procedures:
(1) the tresses were rubbed (in order from top to bottom with finger bells) for 30 seconds with a sample of the first conditioning composition (a), then rinsed for 30 seconds with a sample of the shampoo composition (B), and after three repetitions the tresses were stored at 25 degrees celsius and 60% RH relative humidity, with a portion of the bleached tresses used for bare testing, without using any sample of the invention, to directly test tensile force equivalent values, and another portion used for tensile force testing after treatment with a sample of the invention (including a blank control sample).
(2) The treated hair of (1) above was placed in an INSTRON machine for testing the yield strength, tensile strength and work to break of the hair, each data being based on the results of 30 hairs and averaged. Finally, the average value (kPa) of the tensile strength of the hair corresponding to each example was obtained, and finally, the percentage increase of the tensile strength was calculated in comparison with the blank.
The increase (%) in the tensile strength (kPa) of the hair was calculated as follows:
hair tensile strength (kPa) increase (%) { average tensile strength (kPa) of hair treated in each example-average tensile strength (kPa) of bleach-treated hair (without any particle treatment applied) }/average tensile strength (kPa) x 100 of bleach-treated over-hair (without any particle treatment applied).
TABLE 9
Results in table 9: the tensile strength of the hair was improved to varying degrees by either the bleached tresses treated with the placebo example or the examples (1) - (10) of the present invention. However, the tensile strength increase of the hair treated in the blank control example is much lower than that of the hair treated in the examples (1) to (10), which shows that the hair after-treatment technology in the practical example of the present invention has the effect of significantly enhancing the toughness and elasticity of the hair, and the enhancement of the hair toughness is related to the increase of the tensile strength of the hair, which shows that the hair after-treatment system in the example of the present invention has the effect of repairing the hair. The results of example 8 are the best overall.
Clinical trial of hair re-washing conditioning and permeability
50 volunteers, women, with their hairs kept flush or over the shoulders were selected.
The rewashing conditioning and permeability refers to sensory evaluation of four options of 'non-entanglement, softness, non-heaviness and long-lasting softness and softness effect' of hair after multiple shampooing and statistics is carried out according to scores.
A group of volunteers used the product of example 8 in the order of first feeding and then washing and filled in sensory evaluation forms on days 1, 7, 14 and 30, respectively, and finally summarized the evaluation results at each time period; meanwhile, another group of volunteers were shampooed and then shampooed with a hair conditioner using a commercial product on days 1 and 7, respectively.
Sensory evaluation forms were filled on days 14 and 30, and the evaluation results (the commercially available comparative samples used were known brand 2 and type 1 conditioning shampoo and conditioner, respectively) for each time period were finally summarized in table 10.
Very good: the four options are fully scored;
well: three of them get full score;
medium: two of the options get full points;
and (4) invalidation: none or only one of the four options gets full.
Watch 10
According to the statistical results in table 10, the sensory evaluation (including non-entanglement, softness, non-heaviness, and long retention time of the softening effect) counted by the volunteers on the 1 st day, the 7 th day, the 14 th day and the 30 th day of the application example 8 shows that the composition has good effects, and after the first-care after-washing product is frequently used in daily use, the re-washing conditioning effect and the permeability effect from the 7 th day to the 30 th day are relatively average, and no obvious trend of decreasing the effect appears, which indicates that the composition of the first-care after-washing in the application example 8 has good hair washing conditioning durability, washing balance and anti-accumulation performance. On the contrary, the ineffective percentage of the commercial comparative sample is very high at day 30, and the ineffective percentage is up to 70%, which indicates that the commercial comparative sample has poor persistence of the backwashing after a long washing time and the volunteer reaction has high permeability in the market regulation.
Claims (2)
1. A method of cleansing hair by conditioning the hair prior to shampooing with a pre-conditioning composition (A) comprising:
i) from 0.05% to 10% by weight of the pro-nutritional conditioning composition of a cationic conditioning agent which is cetyl triethylammonium polydimethylsiloxane PEG-8 succinate and acrylamidopropyl trimethylammonium chloride/acrylamide copolymer; and the weight ratio of cetyl triethylammonium polydimethylsiloxane PEG-8 succinate to acrylamidopropyl trimethyl ammonium chloride/acrylamide copolymer is from 2:1 to 1: 2;
ii) from 0.05% to 5% by weight of the pro-nutritional conditioning composition of a distearyldimethylammonium chloride cationic surfactant;
iii) C in an amount of 0.5% to 10% by weight of the pro-nutritional conditioning composition8-22With C is a saturated straight-chain or branched long-chain alcohol of14-22A fatty alcohol mixture, and the fatty alcohol mixture is C14Alcohol: c16-18Alcohol: c22Alcohol is mixed according to a weight ratio of 2: 1: mixing at a ratio of 0.5;
iv) cetyl hydroxyproline palmitoamide in an amount of 0.1% to 4% by weight of the pro-nutritional conditioning composition;
v) from 3% to 15% by weight of the precontrol conditioning composition of liquid lanolin that is a fluid liquid at 20-25 ℃;
then, the hair is washed with a hair washing composition (B) comprising:
i) from 8% to 15% by weight of the shampoo composition of a sodium laureth sulfate anionic surfactant;
ii) an amphoteric surfactant in an amount of from 1% to 10% by weight of the shampoo composition; the amphoteric surfactant is sodium cocoamphoacetate and cocamidopropyl betaine;
iii) from 0.1% to 5% by weight of the shampoo composition of cocamidopropyl amine oxide;
iv) from 0.05% to 10%, by weight of the shampoo composition, of a cationic conditioning polymer, the conditioning polymer being a cationic guar polymer and an acrylamidopropyltrimethylammonium chloride/acrylamide copolymer; and the weight ratio of the cationic guar gum polymer to the acrylamidopropyl trimethyl ammonium chloride/acrylamide copolymer is 1: 5 to 1: 10.
2. a method of cleansing hair according to claim 1, wherein the conditioning is carried out using a pro-nutrient conditioning composition (a) comprising the following components:
then washing with a shampoo composition (B) which comprises the following components:
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| CN111053706A (en) * | 2020-02-17 | 2020-04-24 | 澳宝化妆品（惠州）有限公司 | Self-heating pre-wash hair care composition |
| CN116139042A (en) * | 2023-02-24 | 2023-05-23 | 华熙生物科技股份有限公司 | Hair treatment composition |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5791910A (en) * | 1980-11-28 | 1982-06-08 | Kao Corp | Preshampoo-type hair treatment composition |
| CN105163711A (en) * | 2013-05-15 | 2015-12-16 | 狮王株式会社 | Emulsion based hair cosmetic |
| CN109044857A (en) * | 2018-09-26 | 2018-12-21 | 江南大学 | A kind of no silicone oil shampoo conditioner composition, without silicone oil shampoo and preparation method thereof |
-
2018
- 2018-12-29 CN CN201811632110.4A patent/CN109512703B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5791910A (en) * | 1980-11-28 | 1982-06-08 | Kao Corp | Preshampoo-type hair treatment composition |
| CN105163711A (en) * | 2013-05-15 | 2015-12-16 | 狮王株式会社 | Emulsion based hair cosmetic |
| JP6172270B2 (en) * | 2013-05-15 | 2017-08-02 | ライオン株式会社 | Emulsifying hair cosmetics |
| CN109044857A (en) * | 2018-09-26 | 2018-12-21 | 江南大学 | A kind of no silicone oil shampoo conditioner composition, without silicone oil shampoo and preparation method thereof |
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