CN111491609A - Sulfate-free cleaning compositions - Google Patents

Sulfate-free cleaning compositions Download PDF

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CN111491609A
CN111491609A CN201780094441.4A CN201780094441A CN111491609A CN 111491609 A CN111491609 A CN 111491609A CN 201780094441 A CN201780094441 A CN 201780094441A CN 111491609 A CN111491609 A CN 111491609A
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composition
surfactant
group
sodium
alkyl
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CN111491609B (en
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周一茜
岳亚男
贾海东
刘悦
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LOreal SA
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LOreal SA
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q5/00Preparations for care of the hair
    • A61Q5/02Preparations for cleaning the hair
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/30Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/40Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
    • A61K8/44Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/73Polysaccharides
    • A61K8/731Cellulose; Quaternized cellulose derivatives
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/20Chemical, physico-chemical or functional or structural properties of the composition as a whole
    • A61K2800/26Optical properties
    • A61K2800/262Transparent; Translucent
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K2800/00Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
    • A61K2800/20Chemical, physico-chemical or functional or structural properties of the composition as a whole
    • A61K2800/30Characterized by the absence of a particular group of ingredients

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Abstract

Disclosed is a clear aqueous composition comprising (a) at least one anionic surfactant which is not an alkyl sulfate or alkyl ether sulfate; (b) at least one amphopropionate surfactant; and (C) at least one cationic cyclized polymer having at least one ring structure in the polymer backbone, the cyclized polymer having at least one terminal monomer comprising at least one C8‑C30Quaternary ammonium groups of hydrocarbon groups. Also disclosed are methods of cleansing and conditioning hair using the compositions and methods of making the compositions.

Description

Sulfate-free cleaning compositions
Technical Field
The present invention relates to personal cleansing compositions. More particularly, the present invention relates to sulfate-free cleansing compositions, such as shampoos, having improved conditioning properties.
Background
In the field of cleansing products, more and more consumers prefer sulphate-free cleansing compositions due to the perceived mildness and pleasant sensory experience when applied on keratin materials, in particular the hair. However, sulfate-free detergents are difficult to thicken sufficiently to provide good use qualities to the user.
One way to solve this problem is to use high concentrations (levels) of rheology modifiers in order to thicken the product. However, the addition of rheology modifiers can adversely affect the properties of the composition, such as cleaning properties, foaming properties, cleaning ability, by reducing the ease of foaming and distribution of the composition.
On the one hand, aqueous cleaning compositions are desirable because they are more environmentally friendly and safer for consumers. These products are preferably transparent, which is pleasing in appearance. However, aqueous compositions can be thin and viscous (runny), making them undesirable for personal use. Thickeners, including rheology modifiers, can be used to increase the viscosity of such compositions, making them more aesthetically pleasing. However, as noted above, the use of such viscosity-increasing thickeners may adversely affect both the cosmetic properties (cleansing and/or foaming) and also the aesthetic appearance of the cleansing composition.
None of the prior art has disclosed the following aqueous cleaning compositions: it is sulfate-free and exhibits improved use qualities by virtue of its sufficient viscosity, while the composition has good cosmetic properties for the substrate to which it is applied.
Preferably, such compositions are desired to exhibit a pleasant appearance, such as a transparent appearance.
Thus, there is a need for a cleansing composition, in particular a shampoo, which is effective in cleansing.
Such compositions at the same time have improved use qualities by virtue of their sufficient viscosity.
At the same time, it is desirable that the composition itself exhibit improved conditioning.
It is also desirable that the compositions as described above are stable over time.
Preferably, the composition has pleasing aesthetic properties, such as a transparent appearance.
Disclosure of Invention
The compositions of the present invention are formulated to address the above-mentioned needs.
In particular, the present invention relates to an aqueous cleaning composition comprising:
(a) at least one anionic surfactant other than an alkyl sulfate or an alkyl ether sulfate;
(b) at least one amphopropionate surfactant; and
(c) at least one cationic cyclized polymer having at least one ring structure in the polymer backbone, the cyclized polymer having at least one terminal monomer comprising at least one C8-C30Quaternary ammonium groups of hydrocarbon groups.
Preferably, the composition of the present invention is transparent.
The present invention also relates to a method for cleaning a keratin substrate comprising contacting the keratin substrate with the composition disclosed above.
The present invention also relates to a method of cleaning and conditioning a keratin substrate comprising contacting the keratin substrate with the composition disclosed above.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.
Detailed Description
The compositions of the present invention not only provide good cleansing of keratin substrates, but also produce good and rich-feeling lather while imparting good conditioning properties on the substrate. The compositions of the present invention remain stable even at elevated temperatures (e.g., 45 ℃) or reduced temperatures (e.g., 4 ℃).
All percentages and ratios are by weight unless otherwise indicated. All percentages are based on the total weight of the composition, unless otherwise indicated.
As used herein, all ranges provided are intended to include each and every specific range within the given range, as well as combinations of sub-ranges therebetween. Thus, a range of 1 to 5 includes 1, 2, 3, 4, and 5 as well as 1-4, 2-4, 1-3, and the like.
Definition of
As used herein, "about" means within 10% of the indicated number (e.g., "about 10%" means 9% -11% and "about 2%" means 1.8% -2.2%).
As used herein, "at least one" means one or more and thus includes individual components as well as mixtures/combinations.
As used herein, "comprising" is used in an inclusive sense of "having" or "including" and not in an exclusive sense of "consisting only of … …".
As used herein, "conditioning" means imparting to the hair at least one property selected from the group consisting of compatibility, manageability, moisturization, shine, sheen, and softness. The condition of conditioning was evaluated by measuring the ease of combing of treated hair and comparing it with untreated hair.
"INCI" is an abbreviation of International Nomenclature of Cosmetic Ingredients, which is a name system provided by the International Nomenclature Commission of the personal Care Association to describe personal care Ingredients.
By "stable over time" is understood to mean that the composition of the invention does not show any macroscopic change in colour, odour or viscosity, any change in pH or any change in microscopic appearance after storage for 2 months at all temperatures between 4 ℃ and 45 ℃.
The term "transparent" is understood to mean that the composition has a turbidity, measured with a 2100N turbidimeter from HACH, of less than or equal to 200NTU (nephelometric turbidity units) at 25 ℃ and preferably less than or equal to 100NTU at 25 ℃, wherein the sample cell used for the turbidity test is made of quartz glass with the reference catalogue 2084900.
As used herein, "keratin fibers" include, but are not limited to, skin, hair, lips, eyelashes, and nails. The preferred keratin substrate is hair.
The present invention relates to an aqueous cleaning composition comprising:
(a) at least one anionic surfactant that is not sulfate-based;
(b) at least one amphopropionate surfactant; and
(c) at least one cationic cyclized polymer having at least one ring structure in the polymer backbone, the cyclized polymer having at least one terminal monomer comprising at least one C8-C30Quaternary ammonium groups of hydrocarbon groups.
Anionic surfactant (a)
The compositions of the present invention comprise at least one anionic surfactant which is not an alkyl sulfate or alkyl ether sulfate. These surfactants may be selected from salts, for example, alkali metal salts such as sodium salts, ammonium salts, amine salts, aminoalcohol salts, and alkaline earth metal salts.
In other words, the compositions of the present invention are substantially free of sulfate-based surfactants.
The terms "substantially free of sulfate-based surfactant" and "substantially free of sulfate" refer to the amount of sulfate-based surfactant in the compositions of the present invention. By "substantially free of sulfate-based surfactant" is meant that although it is preferred that no sulfate-based surfactant is present in the composition, it is possible to have very small amounts of sulfate-based surfactant in the compositions of the present invention, provided that such amounts do not substantially affect the advantageous properties of the composition.
In particular, "substantially free of sulfate-based surfactant" means that the sulfate-based surfactant can be present in the composition in an amount of less than 2.0 wt.%, typically less than 1.5 wt.%, typically less than 1.0 wt.%, typically less than 0.5 wt.%, typically less than 0.1 wt.%, and more typically 0 wt.%, based on the total weight of the composition.
According to the invention, these surfactants may be selected from salts, for example, alkali metal salts such as sodium salts, ammonium salts, amine salts, aminoalcohol salts and alkaline earth metal salts.
Examples of alkaline earth metal salts include magnesium salts of the following types of compounds: acyl isethionates, acyl glycinates, acyl taurates, acyl amino acids, acyl sarcosinates, sulfosuccinates, sulfonates and sulfoacetates, all of which have hydrocarbon and acyl groups containing from 6 to 24 carbon atoms (saturated or unsaturated, straight or branched).
Non-limiting examples of acylamino acids useful in the compositions of the present invention include those having the following formula (I):
Figure BDA0002395083400000041
wherein
R is straight or branched, saturated or unsaturated C8-C16And more preferably C12-C18A hydrocarbyl chain;
x is an organic cation, for example an alkanolamine such as triethanolamine, or an inorganic cation, for example an alkali metal such as sodium or potassium, or ammonia.
Among the preferred radicals R, mention may be made of stearyl, myristyl, oleyl, lauryl and cocoyl radicals.
Among the N-acyl sarcosinates which can be used according to the invention, mention may be made of the salt known under the name Sarkosyl N L by the company Ciba
Figure BDA0002395083400000042
Sold or sold by SEPPIC under the name Oramix L
Figure BDA0002395083400000043
Sodium lauroyl sarcosinate (INCI name: sodium lauroyl sarcosinate); by Nikkol corporation under the name Nikkol Sarcosinate
Figure BDA0002395083400000044
Sodium myristoyl sarcosinate (INCI name: sodium myristoyl sarcosinate); by Nikkol corporation under the name Nikkol Sarcosinate
Figure BDA0002395083400000045
Sodium palmitoyl sarcosinate (INCI name: sodium palmitoyl sarcosinate) is sold.
N-lauroyl sarcosine sodium (INCI name: sodium lauroyl sarcosine) will be used more specifically.
Non-limiting examples of taurates that may be used in the compositions of the present invention include those having the formula:
Figure BDA0002395083400000051
wherein R is selected from H or a hydrocarbyl chain having 1 to 24 carbon atoms, said chain being saturated or unsaturated, linear or branched.
One particular taurate salt that may be used in the compositions of the present invention is sodium methyl cocoyl taurate.
Non-limiting examples of isethionates useful in the compositions of the present invention include those having the formula:
Figure BDA0002395083400000052
wherein R is selected from H or a hydrocarbyl chain having 1 to 24 carbon atoms, said chain being saturated or unsaturated, linear or branched.
Particular isethionates which may be used in the compositions of the present invention include, for example, sodium cocoyl isethionate, sodium lauroyl methyl isethionate and mixtures thereof.
Non-limiting examples of sulfosuccinates that may be used in the compositions of the present invention include those having the formula:
Figure BDA0002395083400000053
wherein R is selected from H or a hydrocarbyl chain having 1 to 24 carbon atoms, said chain being saturated or unsaturated, linear or branched.
One particular sulfosuccinate that may be used in the compositions of the present invention is disodium laureth sulfosuccinate.
Non-limiting examples of sulfonates that can be used in the compositions of the present invention include those having the formula:
Figure BDA0002395083400000061
wherein R is selected from H or a hydrocarbyl chain having 1 to 24 carbon atoms, said chain being saturated or unsaturated, linear or branched.
A particular sulfonate salt useful in the compositions of the present invention is C14-16Sodium olefin sulfonate.
Non-limiting examples of sulfoacetates useful in the compositions of the present invention include those having the formula:
Figure BDA0002395083400000062
wherein R is as defined above for the sulfonate.
A particular sulfoacetate salt that may be used in the compositions of the present invention is sodium lauryl sulfoacetate.
According to a preferred embodiment, the at least one anionic surfactant is present in a total amount ranging from 1% to 15% by weight, preferably from 2% to 13% by weight, more preferably from 4% to 12% by weight, based on the total weight of the composition.
Amphoteric surfactant (b)
The compositions of the present invention comprise at least one amphopropionate surfactant.
Suitable amphoteric surfactants for use in the compositions of the present invention are known as derivatives of aliphatic secondary and tertiary amines in which the aliphatic radical can be straight or branched chain and wherein one of the aliphatic substituents contains from 8 to 18 carbon atoms and one contains an anionic group such as carboxy, sulfonate, phosphate, or phosphonate.
Non-limiting examples of propionate salts that can be used in the compositions of the present invention include aminopropionate, aminodipropionate, amphopropionate, amphodipropionate, or mixtures thereof.
In particular, among the amphoteric surfactants of the propionate type, mention may be made of the compounds having formula (a) below:
Ra-CO-(N(Z)CH2)n-(CH2)m-N+(Rb)(CH2CH2COO-)(A)
wherein:
Rarepresents a self-acid RaC obtained from-COOH7-C17An alkyl or alkenyl group;
Rbrepresents a hydrogen radical, or C1-C4Alkyl, optionally substituted by at least one group selected from-OH and/or-CH2CH2COO-Radical substitution of the radicals;
m or n is equal to 0, 1 or 2, respectively; and is
Z represents a hydrogen atom or a hydroxyethyl group or a carboxymethyl group.
Examples of amphoteric propionate surfactants suitable for the present invention include sodium lauroyl methyl aminopropionate, sodium cocoyl aminopropionate, ammonium cocoyl aminopropionate, sodium cocoyl amphopropionate, ammonium cocoyl amphopropionate, triethanolamine cocoyl amphopropionate, sodium corn oleoyl amphopropionate, ammonium corn oleoyl amphopropionate, triethanolamine corn oleoyl amphopropionate, sodium lauryl aminopropionate, ammonium lauryl aminopropionate, triethanolamine lauryl aminopropionate, sodium lauroyl amphopropionate, ammonium lauroyl amphopropionate, triethanolamine lauroyl amphopropionate, ammonium lauroyl amphopropionate, triethanolamine lauryl iminodipropionate, disodium lauriminodipropionate, triethanolamine cocoyl aminopropionate, sodium cocoyl aminopropionate, cocoyl aminopropion, Disodium decanoyl amphoteric propionate, disodium octanoyl amphoteric dipropionate, disodium cocoyl amphoteric dipropionate or disodium oleoyl amphoteric dipropionate.
More particularly, in formula (a):
Rarepresents C obtained from hydrolysed coconut oil7-C17Alkyl or alkenyl, preferably heptyl, nonyl, undecyl or heptadecyl;
Rbrepresents hydrogen radical, methyl or β -hydroxyethyl;
m or n is equal to 0 or 1, respectively;
z represents a hydrogen group.
According to a preferred embodiment, the amphopropionate surfactant used in the present invention comprises sodium lauroyl methylaminopropionate, for example under the trade name sodium lauroyl methylaminopropionate
Figure BDA0002395083400000071
AS-L commercially available from NOF Corporation, sodium cocoamphopropionate, which is available under the trade name sodium cocoamphopropionate
Figure BDA0002395083400000072
AM KSF 40 is commercially available, sold by the company Evonik Goldschmidt; or mixtures thereof.
According to another embodiment, the composition of the invention comprises at least one additional amphoteric surfactant different from the propionate surfactants described.
Such surfactants are typically selected from betaines, sulfobetaines, amphoacetates, and mixtures thereof.
Non-limiting examples of betaines that may be used in the compositions of the present invention include those having the following formula (IIA-D):
Figure BDA0002395083400000081
wherein
R10Is an alkyl group having 8 to 18 carbon atoms; and is
n is an integer of 1 to 3.
Particularly useful betaines include, for example, cocobetaine, cocamidopropyl betaine, lauryl hydroxysultaine, lauryl dimethyl betaine, cocamidopropyl hydroxysultaine, behenyl betaine, caprylyl/caprimidopropyl betaine, lauryl hydroxysultaine, stearyl betaine, and mixtures thereof.
Typically, the at least one betaine compound is selected from the group consisting of cocobetaine, cocamidopropyl betaine, behenyl betaine, caprylyl/capramidopropyl betaine, lauryl betaine, and mixtures thereof, and more typically, cocamidopropyl betaine.
According to a preferred embodiment, the amphoteric surfactant useful in the present invention is selected from cocamidopropyl betaine, sodium lauroyl methylaminopropionate, sodium cocoamphopropionate or mixtures thereof.
Preferably, in the compositions of the present invention, the at least one propionate amphoteric surfactant (b) is used in an amount of from 0.5% to 20% by weight, preferably from 1% to about 15% by weight, and more preferably from 2% to 11% by weight (including all ranges and subranges therebetween), based on the total weight of the composition as a whole.
More preferably, in the compositions of the present invention, the total amount of the amphoteric surfactant, the propionate amphoteric surfactant (b) and additional amphoteric surfactant (when present) is in the range of from 0.5% to 20% by weight, preferably from 1% to about 15% by weight and more preferably from 2% to 11% by weight (including all ranges and subranges therebetween), based on the total weight of the composition as a whole.
According to a preferred embodiment, the sum of the weights of the anionic surfactant a) and the amphoteric surfactant b) ranges from 5% to 30% by weight, preferably from 10% to 20% by weight, relative to the total weight of the composition.
In an even more preferred embodiment, the sum of the weights of the anionic surfactant a) and the amphoteric surfactant b) is 17% by weight, relative to the total weight of the composition.
According to a preferred embodiment, the weight ratio of the at least one anionic surfactant a) and the at least one amphoteric propionate surfactant b) is in the range of from 1/8 to 5/1, preferably from 1/6 to 3/1.
Cationic cyclic polymer (c)
The composition according to the invention comprises (C) at least one cationic, cyclized polymer having at least one ring structure in the polymer backbone and having at least one polymer comprising at least one C8-C30Quaternary ammonium groups of hydrocarbon groups.
The (c) cationic cyclic polymer has at least one ring structure in the polymer main chain. In other words, the polymer backbone comprises at least one ring structure. Thus, for example, one carbon-carbon backbone of the polymer may be bonded to a ring structure and another carbon-carbon backbone of the polymer may be bonded to the ring structure, wherein the bonding positions of the backbones are different.
The ring structure may be formed solely of carbon-carbon bonds and may include at least one heteroatom, such as oxygen and nitrogen atoms. The nitrogen atoms in the ring structure may be quaternized. The ring may be a 4-to 8-membered ring, preferably a 4-to 6-membered ring, and more preferably a 5-or 6-membered ring.
Preferably (c) the cationically cyclized polymer does not contain a ring structure pendant from the polymer backbone.
(c) The cationic cyclized polymer having at least one ring structure in the polymer backbone may be selected from the group consisting of cationic cellulosic polymers and cationic non-cellulosic polymers.
According to the invention, the cationic cellulose polymer having at least one ring structure in the polymer backbone has (and have) at least one polymer comprising at least one C8-C30Quaternary ammonium groups of hydrocarbon groups. The alkyl group carried by the quaternary ammonium group may preferably contain 10 to 30 carbon atoms. The aryl group preferably represents a phenyl group, a benzyl group, a naphthyl group or an anthracenyl group.
There may be mentioned compounds containing C8-C30Examples of fatty chain quaternized alkyl hydroxyethyl celluloses include the products Quatrisoft L M200, Quatrisoft L M-X529-18-A, sold by the company Amerchol,Quatrisoft LM-X 529-18B(C12Alkyl) and Quatrisoft L M-X529-8 (C)18Alkyl) or SoftcatTMPolymer SL100、SoftcatTMSX-1300X、SoftcatTMSX-1300H、SoftcatTMSL-5、SoftcatTMSL-30、SoftcatTMSL-60、SoftcatTMSK-MH、SoftcatTMSX-400X、SoftcatTMSX-400H、SoftCatTMSK-L、SoftcatTMSK-M and SoftcatTMSK-H and the products Crodacel QM, Crodacel Q L (C12 alkyl) and Crodacel QS (C12 alkyl) sold by Croda18Alkyl groups).
Among these quaternized alkylhydroxyethylcelluloses, the product corresponding to the INCI name polyquaternium-67 is preferred.
The amount of (c) cationic cyclized polymer having at least one ring structure in the polymer backbone in the composition according to the present invention may range from 0.001 to 10% by weight, preferably from 0.01 to 5% by weight, and more preferably from 0.1 to 3% by weight, relative to the total weight of the composition.
Aqueous composition
The composition of the present invention is an aqueous composition. By "aqueous composition" is meant that the composition of the invention comprises an aqueous phase.
Preferably, the composition is free of a fatty phase.
The composition according to the invention comprises an aqueous phase.
The aqueous phase of the present invention comprises water.
The aqueous phase may also contain a water-miscible organic solvent (at room temperature of 20-25 deg.C), for example, a polyol such as C2-C6Polyols, more particularly glycerol, hexylene glycol; glycol ethers (in particular having 3 to 16 carbon atoms) such as monopropylene glycol (C)1-C4) Alkyl ether, dipropylene glycol (C)1-C4) Alkyl ethers or tripropylene glycol (C)1-C4) An alkyl ether; monoethylene glycol (C)1-C4) Alkyl ether, diethylene glycol (C)1-C4) Alkyl ethers or triethylene glycols (C)1-C4) An alkyl ether; and mixtures thereof.
Preferably, the aqueous composition of the present invention may be in the form of a liquid, cream or gel. Preferably, the composition is in the form of a gel.
Transparency
As mentioned above, the compositions of the present invention are transparent.
According to one embodiment, the turbidity of the composition of the invention is less than or equal to 50NTU at 25 ℃ measured with a 2100N turbidimeter from HACH, preferably less than or equal to 25NTU at 25 ℃.
pH value
For the purposes of the present invention, the composition has a pH value of less than or equal to 6, preferably from 3.5 to 5.8, more preferably from 4 to 5.6, even more preferably from 5 to 5.6.
Viscosity of the oil
Preferably, the compositions of the present invention have a viscosity of from 5000 mPa.s to 20000mPa mPa.s, measured using a Brookfield viscometer at 50RPM using a spindle T-C.
Preferably, the compositions of the invention have a viscosity of from 5000mPa · s to 19000mPa · s, preferably from 5500mPa · s to 17000mPa · s, measured using a Brookfield viscometer at 50RPM using a spindle T-C.
Additives/other optional additional Components
The compositions of the present disclosure may additionally include any other adjuvants or additives commonly used in the art of self-cleaning products, particularly shampoos.
One skilled in the art will know which adjuvants and/or additives to select to achieve the desired result (e.g., preservatives) without adversely affecting the properties of the claimed emulsions.
For example, such additives include pH adjusters, preservatives, chelating agents (sequestrants and surfactants), consistency adjusters, thickeners, antioxidants, fragrances, dyes such as soluble dyes and pigments, optical brighteners, electrolytes and stabilizers, plant extracts, proteins, amino acids, vitamins, glycols, emollients, derivatives of the foregoing, and mixtures thereof. Additional examples of additives are found in International Cosmetic ingredient dictionary and Handbook (9 ththPlate, 2002, as a later version).
Non-limiting examples of pH adjusters include potassium acetate, potassium hydroxide, sodium carbonate, sodium hydroxide, phosphoric acid, succinic acid, sodium citrate, citric acid, salicylic acid, glutamic acid, maleic acid, aspartic acid, boric acid, lactic acid, sodium bicarbonate, ethanolamine, and mixtures thereof.
In a particular embodiment, the pH adjusting agent is selected from sodium hydroxide, citric acid, salicylic acid, glutamic acid, maleic acid, aspartic acid or mixtures thereof.
The pH adjusting agent is used in an amount such that the pH of the composition of the present invention is less than or equal to 6.
According to a preferred embodiment, the pH regulator is used in an amount ranging from 0.01% to 8% by weight, preferably from 0.05% to 5% by weight, more preferably from 0.1% to 2% by weight, relative to the total weight of the composition.
Notwithstanding that the numerical ranges and parameters setting forth the broad scope of the invention are approximations, the numerical values set forth in the specific examples are reported as precisely as possible. The following examples are intended to illustrate the invention without thereby limiting the scope. Percentages are given on a weight basis unless otherwise indicated.
According to a preferred embodiment, the present invention relates to a clear aqueous cleaning composition comprising, relative to the total weight of the composition:
(a)4 to 12% by weight of at least one anionic surfactant selected from sodium lauroyl sarcosinate, sodium myristoyl sarcosinate, sodium palmitoyl sarcosinate or mixtures thereof;
(b)2 to 10% by weight of at least one amphopropionate surfactant of formula (a):
Ra-CO-(N(Z)CH2)n-(CH2)m-N+(Rb)(CH2CH2COO-) (A)
wherein:
Rarepresents C obtained from hydrolysed coconut oil7-C17Alkyl or alkenyl, preferably heptyl, nonyl, decylA mono-or heptadecyl group;
Rbrepresents hydrogen radical, methyl or β -hydroxyethyl;
m or n is equal to 0 or 1, respectively;
z represents a hydrogen group; and
(c)0.1 to 3 wt.% of at least one C-containing compound8-C30Quaternized alkyl hydroxyethyl cellulose of fatty chains.
Method and use
Another aspect of the invention is a process for washing and/or conditioning keratin fibres, in particular the hair, comprising the steps of applying to said fibres a composition according to the invention and subsequently rinsing with water after an optional exposure period.
A further aspect of the present invention is the use of the above-mentioned compositions of the invention for washing and/or conditioning keratin fibres, in particular the hair.
Non-limiting examples illustrating the invention are given.
Examples
The following inventive and comparative formulations were prepared:
Figure BDA0002395083400000121
Figure BDA0002395083400000131
comparative formulations D1 and D2 contained hydroxypropyl guar hydroxypropyltrimonium chloride or polyquaternium-10, respectively, which is a cationically cyclized polymer having at least one ring structure in the polymer backbone, but no quaternary ammonium groups including at least one C8-C30A hydrocarbon group in place of the claimed polymer (c); comparative formulation D3 contained sodium cocoamphoacetate instead of propionate surfactant b). All comparative formulations D1 to D3 were similar to inventive formulation D (correspondto).
The above-disclosed formulations were prepared according to commonly known formulation methods for shampoos.
Evaluation and protocol
Evaluation of the above inventive and comparative formulations was performed.
Stability was assessed by storing the formulations at 4 ℃, 20 ℃ and 45 ℃ for 2 months (2 months).
The viscosity and clarity of the formulations were evaluated following the protocol disclosed above.
Finally, the cosmetic properties and use of the formulations were evaluated by panel testing.
Panelist tests were conducted on 17 trained experts and the inventive and comparative formulations were evaluated by experts. The formulations are masked (obscured) and so the name or nature of each formulation is not known to the expert. Test formulations were randomly applied side-by-side to the head half and compared to the standards on the remaining half. This test protocol was used to evaluate lather, detergency and conditioning of the hair. The scale used to measure these parameters ranged from 1 to 5, where 1 is poor and 5 is excellent and very good effect; and 3 is an acceptable effect.
The results of this evaluation are summarized in the following table.
Figure BDA0002395083400000141
Inventive formulations 1, AB, GE and D were stable over a 2 month period at different temperatures, while comparative formulation D1 was unstable (precipitated at the bottom of the formulation container) after 7 days at 50 ℃.
All formulations, both inventive and comparative, had very good cosmetic properties, including cleansing, foaming and cleansing properties.
As observed in the above table, D1-D3 are very fluid, i.e., exhibit poor use quality. However, inventive formulations 1, AB, GE and D all exhibited sufficient viscosity and thus improved use quality.
Preferably, all inventive formulations exhibited a pleasing transparent appearance compared to comparative formulations D1-D3, while the comparative formulations were either translucent or opaque.

Claims (12)

1. An aqueous cleaning composition comprising:
(a) at least one anionic surfactant other than an alkyl sulfate or an alkyl ether sulfate;
(b) at least one amphopropionate surfactant; and
(c) at least one cationic cyclized polymer having at least one ring structure in the polymer backbone, the cyclized polymer having at least one terminal monomer comprising at least one C8-C30Quaternary ammonium groups of hydrocarbon groups.
2. The composition of claim 1, which is transparent.
3. The composition of any of the foregoing claims 1 or 2 wherein the anionic surfactant is selected from acyl isethionates, acyl glycinates, acyl taurates, acyl amino acids, acyl sarcosinates, sulfosuccinates, sulfonates and sulfoacetates, wherein the hydrocarbyl and acyl groups comprise from 6 to 24 carbon atoms; preferably selected from acylamino acids of formula (I):
Figure FDA0002395083390000011
wherein
R is straight or branched, saturated or unsaturated C8-C16And more preferably C12-C18A hydrocarbyl chain;
x is an organic cation, preferably an alkanolamine such as triethanolamine, or an inorganic cation, preferably an alkali metal such as sodium or potassium, or ammonia; more preferably, the anionic surfactant is selected from sodium lauroyl sarcosinate, sodium myristoyl sarcosinate, sodium palmitoyl sarcosinate or mixtures thereof.
4. The composition of any of the preceding claims 1 to 3, wherein the at least one anionic surfactant is present in the range of from 1 wt% to 15 wt%, preferably from 2 wt% to 13 wt%, more preferably from 4 wt% to 12 wt%, based on the total weight of the composition.
5. The composition of any of the preceding claims 1 to 4 wherein the at least one amphopropionate surfactant is selected from the group consisting of aminopropionates, aminodipropionates, amphopropionates, amphodipropionates, or mixtures thereof; preferably selected from the group consisting of propionates of formula (A):
Ra-CO-(N(Z)CH2)n-(CH2)m-N+(Rb)(CH2CH2COO-) (A)
wherein:
Rarepresents a self-acid RaC obtained from-COOH7-C17An alkyl or alkenyl group;
Rbrepresents a hydrogen radical, or C1-C4Alkyl, optionally substituted by at least one group selected from-OH and/or CH2CH2COO-Radical substitution of the radicals;
m or n is equal to 0, 1 or 2, respectively; and is
Z represents a hydrogen atom or a hydroxyethyl or carboxymethyl group; more preferably, in the formula (A),
Rarepresents C obtained from hydrolysed coconut oil7-C17Alkyl or alkenyl, preferably heptyl, nonyl, undecyl or heptadecyl;
rb represents a hydrogen group, a methyl group or β -hydroxyethyl;
m or n is equal to 0 or 1, respectively;
z represents a hydrogen group;
even more preferably, the amphopropionate surfactant is selected from sodium lauroyl methylaminopropionate, sodium cocoyl amphopropionate or mixtures thereof.
6. The composition of any of the preceding claims 1 to 5 comprising at least one additional amphoteric surfactant, different from the propionate surfactant, selected from the group consisting of betaines, sulfobetaines, amphoacetates, and mixtures thereof; preferably selected from the group consisting of cocobetaine, cocamidopropyl betaine, lauryl hydroxysultaine, lauryl dimethyl betaine, cocamidopropyl hydroxysultaine, behenyl betaine, caprylyl/capramidopropyl betaine, lauryl hydroxysultaine, stearyl betaine, and mixtures thereof; more preferably cocamidopropyl betaine.
7. The composition of any of the preceding claims 1 to 6, wherein the at least one amphoteric surfactant (b) is present in an amount of from 0.5 to 20 wt. -%, preferably from 1 to 15 wt. -%, and more preferably from 2 to 11 wt. -%, based on the total weight of the composition.
8. The composition of any one of the preceding claims 1 to 7, wherein the sum of the at least one anionic surfactant a) and the at least one amphoteric surfactant b) ranges from 5% to 30% by weight, preferably from 10% to 20% by weight, relative to the total weight of the composition.
9. The composition of any of the preceding claims 1 to 8, wherein the cationic cyclized polymer is C-containing8-C30Quaternized alkyl hydroxyethyl cellulose of fatty chains, preferably polyquaternium-67.
10. The composition of any of the preceding claims 1 to 9, wherein the cationic, cyclized polymer is present in an amount ranging from 0.001 to 10 weight percent, preferably from 0.01 to 5 weight percent, and more preferably from 0.1 to 3 weight percent, relative to the total weight of the composition.
11. A clear aqueous cleaning composition comprising, relative to the total weight of the composition:
(a)4 to 12% by weight of at least one anionic surfactant selected from sodium lauroyl sarcosinate, sodium myristoyl sarcosinate, sodium palmitoyl sarcosinate or mixtures thereof;
(b)2 to 10% by weight of at least one amphopropionate surfactant of formula (a):
Ra-CO-(N(Z)CH2)n-(CH2)m-N+(Rb)(CH2CH2COO-) (A)
wherein:
Rarepresents C obtained from hydrolysed coconut oil7-C17Alkyl or alkenyl, preferably heptyl, nonyl, undecyl or heptadecyl;
Rbrepresents hydrogen radical, methyl or β -hydroxyethyl;
m or n is equal to 0 or 1, respectively;
z represents a hydrogen group; and
(c)0.1 to 3 wt.% of at least one C-containing compound8-C30Quaternized alkyl hydroxyethyl cellulose of fatty chains.
12. Process for washing and/or conditioning keratin fibres, in particular the hair, comprising the step of applying to the fibres a composition according to any one of the preceding claims 1 to 11.
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