BR112012033245B1 - Clear, low irritation skin cleansing compositions with relatively low pH - Google Patents

Abstract

clear, low irritation, relatively low ph cleaning compositions. The present invention relates to methods and compositions of the present invention which relate to compositions having low irritation characteristics in combination with one or more additional characteristics, for example, relatively high clarity, relatively high foaming and / or combinations. as well as methods of preparing and using such compositions. These compositions contain blends of amphoteric surfactants, have low ph values and are useful in skin cleansing.

Description

Report of the Invention Patent for "LOW IRRITATION SKIN CLEANING COMPOSITIONS WITH LOW PH".

This request is the continuation in part of US Serial No. 12 / 822,329, filed June 24, 2010 and US Serial No. 12 / 976,573, filed December 22, 2010, both of which are by hereby incorporated by reference herein.

Field of the Invention The compositions of this invention are useful in skin cleansing and are characterized by having low irritation characteristics in combination with one or more additional beneficial characteristics such as relatively high clarity, relatively high foaming and / or combinations thereof. The compositions of the present invention generally have low pH values.

Background of the Invention Synthetic surfactant detergents, such as cationic, anionic, amphoteric, and nonionic surfactants, are widely used in a variety of detergent and cleaning compositions to impart cleaning properties. In addition, these synthetic surfactant detergents have been used in personal care compositions, including shampoos and conditioners. In such personal care compositions, it may be desirable to use sufficient combinations and surfactant levels to achieve relatively high levels of foam volume and / or foam stability.

However, as is recognized in the art, synthetic surfactants tend to be irritating to the skin and eyes. Since concentrations of such detergents increase in personal care compositions to impart greater cleaning and foaming properties to such compositions, the irritation associated with such compositions also tends to increase, making them undesirable for use in or close to the skin and / or eyes.

Attempts to produce milder cleaning compositions have included the combination of relatively low proportions of anionic surfactants (which tend to be relatively high foaming, but also relatively highly irritating) with relatively lower irritation surfactants such as nonionic surfactants. and / or amphoteric. See, for example, US Patent No. 4,726,915. Another approach for producing mild cleansing compositions is to associate anionic surfactants with amphoteric or cationic compounds to produce surfactant complexes. See, for example, U.S. Patent Nos. 4,443,362; 4,726,915; 4,186,113; and 4,110,263. The disadvantage is that milder cleaning compositions produced by both methods tend to exhibit relatively poor foaming and cleaning performance.

It has further been recognized that for certain uses, consumers want the cleaning compositions to be relatively clear. In particular, clear compositions are commonly advantageously used to provide an aesthetic indication of purity to the consumer. However, various ingredients commonly used in conventional personal care compositions, including, for example, polymeric thickeners, tend to cause the compositions to become cloudy or opaque. It is not readily anticipated that combinations of polymers, surfactants and other optional ingredients may be combined to create compositions that are suitable for use as cleansing creams and also exhibit high clarity.

Another complicating factor regarding the creation of transparent compositions is that certain polymeric thickeners require higher pH to maintain clarity and stability in personal care compositions. US 6,897,253 (‘253) describes a substantially cross-linked alkaline swellable acrylate copolymer rheology modifier, water, an alkaline material, and an effective amount of surfactant, such that a substantially insoluble compound is stabilized or suspended. The polymeric rheology modifiers shown do not begin to accumulate viscosity substantially until a pH of about 5 or 6 or greater is reached. To formulate a composition with a lower pH is difficult, however, '253 discusses a Back-Acid thickening method to obtain clear cleaning systems with an acrylate rheology modifier and high surfactant concentrations (higher than about 9.8% active) at low pH (pH about 4.5 to 5). This method involves formulating at a higher pH to obtain the proper viscosity and stability and then slowly reducing the pH with an organic acid. US 2008/0113895 establishes the use of low molecular weight acrylic polymers with the anionic surfactants sodium lauret sulfate and sodium tridecet sulfate for moderate cleaning systems. Clear cleaning systems are achieved, but only at pH greater than 6.5 US 7803403 describes the use of low molecular weight acrylic polymers to mitigate irritation and highlights the difficulty in creating clear cleaning systems with hydrophobically modified polymers. low molecular weight. While clear systems are obtained with low molecular weight acrylic polymer combined with any of sodium lauret sulfate, sodium tridecet sulfate or propyl betaine cocamide, the pH of the compositions should be 6.5. It is desirable to formulate skin care compositions, including cleansing compositions, as moderate as possible to the skin and eyes. One way to achieve this goal is by having a composition that has a pH that is compatible with the skin and eyes. In addition, there is a need for the compositions to exhibit relatively high clarity, desirable foam properties and / or other desirable aesthetic properties. Additional aspects of skin care compositions involve safety and compatible preservative systems.

The ingredients of the skin care compositions of this invention may also require certain pH parameters. For example, certain active ingredients, such as salicylic acid, require low pH for activity.

Some preservative systems, preservatives that function in their acid form and not in their salt form, for example sodium benzoate or potassium sorbate, require a low pH of the composition for effectiveness. Condom efficiency decreases with increasing pH, dependent on condom pKa. Therefore, it is desirable to formulate at low pH to provide maximum efficiency while maintaining a skin and eye compatible pH.

Additionally, it is desirable to formulate compositions to have a neutral skin pH of from about 5 to about 6. Cleansing creams having a pH below that of the skin (from about 4 to about 5) may be desired to reduce the amount of skin. Skin pH for enhanced enzyme function and to alter skin microflora.

The skin care compositions of this invention have low pH, yet have high clarity. The compositions have low irritation characteristics and are clear.

Summary of the Invention The compositions of this invention relate to a skin cleansing composition comprising, consisting essentially of and consisting of: (a) a low molecular weight, non-crosslinked acrylic copolymer in an amount comprising, consisting essentially of and consisting of about 0.03 wt.% to about 2.1 wt.% of the skin cleansing composition; and (b) a surfactant component comprising, consisting essentially of and consisting of a blend of at least two different amphoteric surfactants selected from the group consisting of: an ampholytic synthetic surfactant comprising an aliphatic amine derivative having from 8 to 18 atoms of carbon and an anionic soiubilizing group and zwitterionic surfactants comprising internally neutralized derivatives of aliphatic quaternary ammonium, tertiary sulfonium and phosphonium compounds, wherein the aliphatic radical is a straight or branched chain and one of the aliphatic substituents has 8 at 18 carbon atoms and one of the aliphatic substituents contains an anionic water solubilizing group wherein said surfactant component does not contain cocobetaine, said surfactant being present in a concentration of from about 0.0015 to about 15%, in weight, skin cleansing composition and total surfactant charge of The composition is less than about 20% by weight; (c) wherein the total surfactant charge of said composition is not greater than about 14% by weight of the skin cleansing composition; the pH of said skin cleansing composition is about 6 or lower; and the skin cleansing composition has a lower absorbance of about 0.2.

In another aspect of the compositions of this invention, the compositions comprise, consist essentially of, and consist of: (a) water; (b) a low molecular weight, non-crosslinked linear acrylic copolymer, in an amount comprising, consisting essentially of and consisting of about 0.03 wt%, to about 1.6 wt%, of the composition for skin cleansing; (c) at least two different amphoteric surfactants selected from the group consisting of: an ampholytic synthetic surfactant comprising an aliphatic amine derivative having from 8 to 18 carbon atoms and an anionic water solubilizing group and zwitterionic surfactants comprising internally neutralized derivatives aliphatic quaternary ammonium compounds composed of tertiary sulfonium and phosphonium, wherein the aliphatic radical is a straight or branched chain and one of the aliphatic substituents has from 8 to 18 carbon atoms and one of the aliphatic substituents contains an anionic water solubilizing group ; wherein one of the surfactants comprises, consists essentially of or and consists of cocaine betaine in a concentration of less than about 0.065 wt% or greater than about 3.5 wt%; said remaining surfactant being present at a concentration of from about 0.0015 to about 15% by weight of the skin cleansing composition and the total surfactant charge of such composition is less than about 20% by weight ; wherein said skin cleansing composition has a pH less than about 6 and is substantially free of anionic surfactant, said skin cleansing composition having an absorbance less than about 0.2.

More preferably, the amphoteric surfactants may be chosen from the group consisting of sodium lauroanfoacetate, cocamido propyl betaine, cocamido propyl hydroxy sultaine and where appropriate as shown above, cocobetaine.

We have found that while systems containing amphoteric surfactants and low molecular weight hydrophilic polymers are clear at a pH above about 6.2, they are generally not clear at a pH below about 6. Surprisingly, we have found that Surfactants having the structures set forth above and further explained below tend to optimize the clarity of detergent compositions containing low molecular weight hydrophilic polymers at pH less than about 6. Such pH is preferred for formulations that come in contact with the skin to be compatible with skin as skin pH is about 5.5.

Detailed Description of the Invention Applicants have found that the skin cleansing compositions of this invention exhibit a unique and unexpected combination of properties, including relatively low irritation and relatively high clarity at a lower than expected pH, a pH that is compatible with the skin. . This makes the compositions of this invention ideal for skin care, including baby and child skin, cosmetic or cleansing compositions. The compositions include a low molecular weight, non-crosslinked acrylic copolymer and a surfactant component, which includes at least one non-ethoxylated anionic surfactant and at least one amphoteric surfactant. Surprisingly, the use of a selected group of surfactants to bind with the low molecular weight, non-crosslinked acrylic copolymer results in a composition that is clear at a lower pH than previously thought possible. The term "total surfactant charge" means the percentage by total weight of all surfactants, including both anionic and amphoteric surfactants, as well as additional surfactants that may be present in the compositions of this invention. Such additional surfactants may include nonionic surfactants, for example. According to this invention, the total surfactant charge of said composition is not greater than about 14% by weight of the skin cleansing composition. For use in the present invention, the term "low pH" should include lower pH measurements. or equal to about 6.2 as determined by ASTM Method E70 - 07 Standard Test Method for pH of Aqueous Solutions with the Glass Electrode. In a preferred embodiment, the pH range is from about 3.5 to about 6.2. In a more preferred embodiment, the pH range is from about 4 to about 6. In a more preferred embodiment, the pH range is from about 4.5 to about 5. It was previously known that pH, too, affects certain preservative and surfactant systems. For example, a high pH reduces the effectiveness of the preservative system. As detailed below, an organic acid preservative system can become ineffective if the pH is not maintained.

For use in the present invention, the term "relatively high clarity" and / or "transparent composition" may be used interchangeably and should mean that the composition should have a light transmittance greater than about 90%, more preferably greater than 90.5% and most preferably greater than about 95% as determined by the Clarity Test as defined in the methods section. For use in the present invention, the term "transparent composition" shall mean that the composition should have a counting rate of less than about 70 kcts / s, more preferably less than about 50 kcts / s kcts / s, with The maximum preference is less than about 40 kcts / s as determined by the light scattering test as defined in the methods section.

Amphoteric and Synthetic Surfactants Synthetic ampholytic detergents can be broadly described as derivatives of aliphatic amines containing a long chain of about 8 to 18 carbon atoms and an anionic water solubilizing group. Examples of compounds falling within this definition are sodium 3-dodecyl amino propionate, sodium 3-dodecyl amino propane sulfonate and ammonium dodecyl dimethyl hexanoate. Other examples of amphoteric and amphoteric surfactants are found in US Patent No. 3,318,817, issued to Cunningham 15 on May 9, 1967 and hereby incorporated by reference.

Preferred specific examples of amphoteric surfactants are those having the formula: Zwitterionic Synthetic Surfactants Sodium Lafo Amphoacetate Zwitterionic surface active agents are broadly described as internally neutralized derivatives of aliphatic quaternary ammonium, tertiary sulfonium and phosphonium compounds, where the radical The aliphatic substituent may be straight chain or branched and wherein one of the aliphatic substituents contains from 8 to 18 carbon atoms and one of the aliphatic substituents contains an anionic water solubilizing group, for example carboxy, sulfo, sulfate, phosphate, or phosphono. Some of these zwitterionic surfactants are described in the following US Patent Nos: 2,129,264; 2,178,353; 2,774,786; 2,813,898; and 2,828,332.

Preferred specific examples of zwitterionic surfactants are those having the formula: Cocamido oropil sultaine Water soluble betaine surfactants are another example of a zwitterionic surfactant useful in the present invention. These materials have the general formula: Propyl cocamide Betaine Examples of suitable betaine compounds of this type include ammonium dodecyl dimethyl acetate, ammonium tetradecyl dimethyl acetate, ammonium alkyl dimethyl acetate, where the alkyl group has an average of about 12 to 18 carbon atoms in length, ammonium dodecyl dimethyl butanoate, ammonium tetradecyl dimethyl butanoate, ammonium hexadecyl dimethyl butanoate, ammonium dodecyl dimethyl hexanoate, ammonium tetradecyl dimethyl pentanoate and ammonium tetradecyl dimethyl pentanoate. Specifically, preferred betaine-based surfactants include ammonium dodecyl dimethyl acetate, ammonium dodecyl dimethyl hexanoate, ammonium hexadecyl dimethyl acetate and ammonium hexadecyl dimethyl hexanoate.

Polymeric Material For use in the present invention, the term "low molecular weight" polymer refers to a polymer having a number average molecular weight (Mn) of about 100,000 or less as measured by gel permeation chromatography (GPC) calibrated with a standard poly (methyl methacrylate) (PMMA). In certain preferred embodiments, low molecular weight polymers are those having molecular weight ranges from about 5,000 to about 80,000 Mn, more preferably from about 10,000 to about 50,000 Mn, and more preferably from about 15,000 to about 40,000 Mn. 40,000 Mn. The polymeric material useful in the composition of this invention is preferably a polymeric material suitable for anionic association and / or anionic amphoteric surfactant thereto and is preferably a non-crosslinked linear acrylic copolymer that mitigates the typically associated impaired dermal barrier injury. with surfactant systems without increasing viscosity construction. The non-crosslinked linear polymers are preferably low molecular weight having a number average molecular weight of 100,000 or less as measured by gel permeation chromatography (GPC) calibrated to a polymethyl methacrylate (PMMA) standard. (as used in the present invention, unless otherwise specified, all average molecular weight numbers (Mn) refer to the molecular weight measured in such a manner). Thus, the polymeric material acts as a copolymer mitigant. The copolymer mitigant is polymerized from at least two monomeric components. The first monomeric component is selected from one or more α, β-ethylenically unsaturated monomers containing at least one carboxylic acid group. This acid group may be derived from the monoacids or diacids, dicarboxylic acid anhydrides, diacid monoesters, and salts thereof. The second monomeric component is hydrophobically modified (relative to the first monomeric component) and is selected from one or more α, β-ethylenically unsaturated non-acidic monomers containing a C1 to Cg alkyl group, including C1 to Cg alkyl esters of acid ( meth) linear and branched acrylic, vinyl esters of the linear and branched C1 to C10 carboxylic acids, and mixtures thereof. In one aspect of the invention, the second monomeric component is represented by the formula: wherein R is hydrogen or methyl; X is -C (O) R 1 or -OC (O) R 2; R1 is straight or branched C1 to C6 alkyl; and R2 is hydrogen or straight or branched C1 to C6 alkyl. In another aspect of the invention, R1 and R2 are straight or branched C1 to C6 alkyl and, in a further aspect, R1 and R2 are straight or branched C2 to C5 alkyl.

Exemplary first monomeric components include (meth) acrylic acid, itaconic acid, citraconic acid, maleic acid, fumaric acid, crotonic acid, aconitic acid, and mixtures thereof. Exemplary second monomeric components include ethyl (meth) acrylate, butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, vinyl formate, vinyl acetate, 1-methyl vinyl acetate, vinyl propionate, butyrate vinyl, vinyl 2-ethyl hexanoate, vinyl pivalate, vinyl neodecanoate, and mixtures thereof. For use in the present invention, the term "(meth) acrylic acid" and "(meth) acrylate" mean to include the corresponding methyl acrylic acid derivatives and the corresponding alkyl acrylate. For example, "(meth) acrylic acid" refers to acrylic acid and / or methacrylic acid and "(meth) acrylate" refers to alkyl acrylate and / or alkyl methacrylate.

More preferably, said first monomeric component is selected from the group consisting of (meth) acrylic acid and said second monomeric component is selected from the group consisting of at least one C1 to C6 alkyl (meth) acrylate.

Mitigants of the non-crosslinked linear acrylic copolymer of the invention may be synthesized by free radical polymerization techniques known in the art. In one aspect of the invention, the amount of the first monomeric component relative to the second monomeric component employed ranges from about 20: 80 wt% to about 50: 50 wt% based on the total weight of all monomers in the polymerization medium. In another aspect, the weight ratio of the first monomeric component to the weight of the second monomeric component is about 35: 65% by weight, and in another aspect, the weight ratio of the first monomeric component to The ratio of the second monomer component is about 25: 75% by weight, all based on the total weight of all monomers in the polymerization medium.

In another aspect, emulsion polymerization techniques may be used to synthesize the non-crosslinked linear acrylic copolymer mitigants of the invention. In a typical emulsion polymerization, a mixture of the presented monomers is added with stirring by mixing to a solution of the emulsifying surfactant, such as an anionic surfactant (eg fatty alcohol sulfates or alkyl sulfonates) in a suitable amount. of water in a suitable reactor to prepare a monomer emulsion. The emulsion is deoxygenated by any convenient method, such as by spraying with nitrogen, and then a polymerization reaction is initiated by the addition of a polymerization catalyst (initiator) such as sodium persulfate or any other suitable addition polymerization catalyst, as is well known in the art of emulsion polymerization. The polymerization medium is agitated until polymerization is complete, typically for a period of time ranging from about 4 to about 16 hours. The monomer emulsion may be heated to a temperature in the range from about 70 to about 95 ° C prior to addition of the initiator if desired. An unreacted monomer can be eliminated by the addition of more catalyst as is well known in the emulsion polymerization art. The resulting polymer emulsion product can then be discharged from the reactor and packaged for storage or use. Optionally, the pH or other physical and chemical characteristics of the emulsion may be adjusted prior to reactor discharge. Typically, an emulsion of the product has a total solids content in the range of about 10 to about 50% by weight. Typically, the total polymer (polymer solids) content of the product emulsion is in the range of about 15 to about 45 wt%, generally not more than about 35 wt%.

In one aspect, the average numerical molecular weight (Mn) of the linear copolymer mitigants of the present invention as measured by gel permeation chromatography (GPC) calibrated to a polymethyl methacrylate (PMMA) standard is 100,000 or less. In another aspect of the invention, the molecular weight ranges from about 5,000 to about 80,000 Mn, in a further additional aspect from about 10,000 to 50,000 Mn, and yet another aspect from about 15,000 to 40,000 Mn.

In one aspect of the invention, linear copolymer mitigants have a viscosity of 500 mPa.s or less (Brookfield RVT, 20 rpm, spindle # 1) at a concentration of 5 wt% deionized water and neutralized polymer solids at pH 7 with an 18% by weight NaOH solution. The viscosity may range from about 1 to about 500 mPa-s, in another aspect, from about 10 to about 250 mPa.s, in another aspect, and from about 15 to about 150 mPa.s in yet another aspect.

Preferably, the low molecular weight non-crosslinked linear acrylic copolymer is a potassium acrylate copolymer.

Any of the variety of non-ethoxylated anionic surfactants may be combined with a polymeric material of the present invention to form a cleaning composition in accordance with preferred embodiments of the present invention. Non-ethoxylated anionic surfactants are surfactants that have a negative charge and do not contain any ethoxylated segments, in other words, there are no - (C-C-0) v segments in the surfactants. According to certain embodiments, suitable non-ethoxylated anionic surfactants include those selected from the following classes of surfactants: alkyl sulfates, alkyl sulfonates, alkyl monoglyceride sulfonates, alkyl sulfonates, alkyl sulfosuccinates, alkyl sulfosuccinates, alkyl, alkyl grease sulfoacetates, alkyl phosphates, acylglutamates, sarcosinates, taurates and mixtures of two or more thereof Examples of certain preferred anionic surfactants include: alkyl sulfates of the formula alkyl monoglyceride sulfates of the formula alkyl monoglyceride sulfonates Alkyl sulfonates of the formula Alkylaryl sulfonates of the formula Alkyl sulfosuccinates of the formula: Alkyl phosphates wherein R 'is an alkyl group having from about 7 to about 22, and preferably from about 7 to about 16 carbon atoms, R'i is an alkyl group of about 1 to about 18, and preferably from about 8 to about 14 carbon atoms, R 2 is a substituent of a natural or synthetic amino acid I, X 'is selected from the group consisting of alkali metal ions, ions alkaline earth metal, ammonium ions, and substituted ammonium ions of about 1 to about 3 substituents, each substituent may be the same or different and are selected from the group consisting of alkyl groups having from 1 to 4 atoms. carbon and alkyl hydroxy groups having from about 2 to about 4 carbon atoms and w is an integer from 0 to 20; and mixtures thereof.

In accordance with certain embodiments set forth in US patent applications no. 12 / 822,329 and 12 / 976,573, the anionic surfactant of this invention is preferably an unethoxylated anionic surfactant SOx according to the structure below wherein SO3 · is the anionic hydrophilic group, M + is a monovalent cation (such as NH4 +, Na +, K + , (HOCH 2 CH 2) 3 N +, etc.), and R comprises any of a wide range of hydrophobic groups and optionally, a) functional groups for linking the hydrophilic and hydrophobic moieties and / or b) additional hydrophilic groups. Examples include: • Alkyl sulfonates, where R is C 1 -C 20 alkyl (straight or branched, saturated or unsaturated), preferably C 10 -C 18, and most preferably C 12 -C 17. Specific examples include C13 -C17 sodium alkane sulfonate (R = C13 -C17 alkyl> M + = Na +) and C14 -C17 sodium alkyl sec sulfonate (R = S-C13 alkyl C17, M + = Na +) • Alpha sulfonates olefins, where R is a mixture of and wherein R 1 = C 4 -C 16 alkyl or mixtures thereof, preferably C 6 -C 12, more preferably C 8 -C 12, and most preferably C 10 -C 12. Specific examples include C 12-14 sodium olefin sulfonate (R 1 = C 8 -C 10 alkyl, M + = Na +) and C14-16 sodium olefin sulfonate (R 1 = C 10 -C 12 alkyl, M + = Na +). • Alkyl sulfate esters, where R 1 = Ce - C 20. (linear or branched, saturated or unsaturated), preferably C12 -C18, more preferably C12 -C16 and most preferably C12 -C14. Specific examples include ammonium lauryl sulfate (R1 = lauryl, C12H25, M + = NH4 +), sodium lauryl sulfate (R1 = lauryl, C12H25, M + = Na +), and sodium coconut sulfate (R1 = cocoalkyl, M + = Na +).

For use in the present invention, the term "amphoteric" means: 1) molecules containing both acidic and basic sites such as, for example, an amino acid containing both amino (basic) and acid (e.g., carboxylic acid, acid) of the functional groups; or 2) zwitterionic molecules that have both positive and negative charges within the same molecule. The latter charges may be dependent or independent of the pH of the composition. Examples of zwitterionic materials include, but are not limited to, alkyl betaines and amidoalkyl betaines as set forth above and below. Amphoteric surfactants are presented herein without a counterion. One of skill in the art will readily recognize that under the pH conditions of the compositions of the present invention, amphoteric surfactants are electrically neutral by virtue of having positive and negative balanced charges, or they have counterions such as alkaline, alkaline earth metals, or against ammonium ions. .

Examples of amphoteric surfactants suitable for use in this invention include, but are not limited to, amphocarboxylates such as alkyl amfoacetate (mono or di); alkyl betaines; amidoalkyl betaines; alkyl sultaines; starch alkyl sultaines; amphophosphates; phosphorylated imidazolines such as phosphobetaines and pyrophosphethaines; alkyl carboxyalkyl polyamides; imino alkyl dipropyanate; alkyl amphoglycinates (mono or dl); alkyl amphopropionates (mono or di),); N-alkyl β-propionic amino acids; alkyl polyamino carboxyls; and mixtures thereof.

Examples of suitable amphocarboxylated compounds include those of the formula: wherein A is an alkyl or alkenyl group having from about 7 to about 21, for example from about 10 to about 16 carbon atoms; x is an integer from about 2 to about 6; R5 is hydrogen or a carboxyalkyl group containing from about 2 to about 3 carbon atoms; R 6 is an alkyl hydroxy group containing from about 2 to about 3 carbon atoms or is a group of the formula: wherein R 6 is an alkylene group having from about 2 to about 3 carbon atoms and n is 1 or 2; and R 7 is a carboxyalkyl group containing from about 2 to about 3 carbon atoms;

Examples of suitable aquila betaines include those compounds of the formula: wherein B is an alkyl or alkenyl group having from about 8 to about 22, for example from about 8 to about 16 carbon atoms; R 9 and R 10 are each independently an alkyl or hydroxy alkyl group having from about 1 to about 4 carbon atoms; and p is 1 or 2.

A preferred betaine for use in this invention is lauryl betaine, commercially available from Albright & Wilson, Ltd. of West Midlands, United Kingdom as "Empigen BB / J." Examples of suitable amidoalkyl betaines include those compounds of the formula: wherein D is an alkyl or alkenyl group having from about 7 to about 21, for example from about 7 to about 15 carbon atoms; R 11 and R 12 are each independently an alkyl or hydroxy alkyl group having from about 1 to about 4 carbon atoms; q is an integer from about 2 to about 6; and m is 1 or 2. One amidoalkyl betaine is Cocamido propyl betaine, commercially available from Goldschmidt Chemical Corporation of Hopewell, Virginia, USA under the trade name "Tegobetaine L7." Examples of suitable amidoalkyl sultaines include those compounds of the formula wherein E is an alkyl or alkenyl group having from about 7 to about 21, for example from about 7 to about 15 carbon atoms; R 14 and R 15 are each independently an alkyl, or an alkyl hydroxy group having from about 1 to about 4 carbon atoms; r is an integer from about 2 to about 6; and R13 is an alkylene or hydroxy alkylene group having from about 2 to about 3 carbon atoms;

In one embodiment, the amidoalkyl sultaine is Cocamido propyl hydroxy sultaine, commercially available from Rhone-Poulenc Inc. of Cranbury, New Jersey, USA under the trade name "Mirataine CBS." Examples of amphophosphate compounds include those of the formula: wherein G is an alkyl or alkenyl group having from about 7 to about 21, for example from about 7 to about 15 carbon atoms; s is an integer from about 2 to about 6;

R16 is hydrogen or a carboxyalkyl group containing from about 2 to about 3 carbon atoms; R 17 is an alkyl hydroxy group containing from about 2 to about 3 carbon atoms or a group of the formula: wherein R 19 is an alkylene or hydroxy alkylene having from about 2 to about 3 carbon atoms and t is 1 or 2 ; and R18 is an alkylene or hydroxy alkylene group having from about 2 to about 3 carbon atoms.

In one embodiment, the amphophosphate compounds are sodium lauroanfo PG-acetate phosphate, commercially available from Mona Industries of Paterson, New Jersey, USA under the trade name "Monateric 1023" and those disclosed in US Patent 4,380,637. , which is incorporated herein by reference.

Examples of suitable phosphobetaines include those compounds of the formula: wherein E, r, R 1, R 2 and R 3 are as defined above. In one embodiment, the phosphobetaine compounds are those set forth in U.S. Patent Nos. 4,215,064, 4,617,414, and 4,233,192, all incorporated herein by reference.

Examples of pyrophosphethaines include the compounds of the formula: wherein E, r, R 1, R 2 and R 3 are as defined above. In one embodiment, the pyrophosphetaine compounds are those set forth in U.S. Patent Nos. 4,382,036, 4,372,869, and 4,617,414, all incorporated herein by reference.

Examples of suitable carboxyalkyl alkyl polyamines include those of the formula: wherein I is an alkyl or alkenyl group containing from about 8 to about 22, for example, from about 8 to about 16 carbon atoms; R22 is a carboxyalkyl group having from about 2 to about 3 carbon atoms; R2i is an alkylene group having from about 2 to about 3 carbon atoms and u is an integer from about 1 to about 4.

Any suitable amounts of polymeric material and surfactants may be used in accordance with the compositions and methods of this invention. In certain preferred embodiments, the compositions of this invention comprise, consist essentially of and consist of from more than zero to about 6 weight percent of polymeric material (based on the active amount of polymeric material in the total weight of the composition). In certain more preferred embodiments, the compositions comprise, consist essentially of, and consist of from about 0.1 to about 4.5 weight percent of polymeric material, more preferably from about 0.1 to about 3 percent. 5 percent by weight of polymeric material, and most preferably from about 0.2 to about 2.5 percent by weight of polymeric material. In the case of cleaning compositions containing amphoteric blends which are substantially free of anionic surfactants where the composition does not contain cocobetaine, the polymeric material should be in an amount of from about 0.03 to about 2.1% by weight. of composition. Where cocobetaine is present as a surfactant, there should be less than about 0.03 wt.% Or more than about 1.6 wt.% Of polymeric material in the composition.

In certain preferred embodiments, the compositions of this invention comprise, consist essentially of and consist of from about 0.0015 to about 15% by weight, based on the total active amount of surfactant (s) in the total weight of the composition. In certain more preferred embodiments, the compositions comprise, consist essentially of and consist of from about 2 to about 12% by weight of the total surfactants. Preferred formulas have from about 2 to about 9% by weight of total surfactants. Preferred embodiments have from about 2 to about 7% by weight of total surfactants. In cases where cocobetaine is present, said cocobetaine should be present in an amount of less than about 0.065 wt.% Or greater than about 3.5 wt.% In the composition.

When formulating the compositions of the present invention, when the ratio of unethoxylated anionic surfactant to amphoteric surfactant is less than 0.5, the pH of the composition should be between 4.8 and about 6. When the ratio of non-ethoxylated anionic surfactant to ethoxylate for amphoteric surfactant is greater than 0.5, the pH of the composition may be less than or equal to 6, preferably between 2.5 and 6.

The non-crosslinked linear acrylic copolymers useful in the compositions of this invention may be synthesized by the free radical polymerization techniques known in the art. In one aspect of the invention, the amount of the first monomeric component relative to the second monomeric component employed ranges from about 20: 80 wt% to about 50: 50 wt% based on the total weight of all monomers in the polymerization medium. In another aspect, the weight ratio of the first monomeric component to the weight of the second monomeric component is about 35: 65% by weight, and in another aspect, the weight ratio of the first monomeric component to The ratio of the second monomer component is about 25: 75% by weight, all based on the total weight of all monomers in the polymerization medium.

The cleaning compositions produced, as well as any of the compositions containing polymeric material and a surfactant component having at least one non-ethoxylated anionic surfactant and at least one amphoteric surfactant which are combined in the combination step according to the methods of this invention. It may further contain any variety of other components not exclusively including additives that enhance the appearance, tactile feel and fragrance of the compositions, such as dyes, fragrances, preservatives, pH adjusting agents and the like.

Any of the varieties of nonionic surfactants are suitable for use in the compositions of this invention, bearing in mind that the total surfactant charge should not exceed about 14% by weight of the compositions herein. Examples of suitable nonionic surfactants include, but are not limited to, fatty alcohol acid or amide ethoxylates, monoglyceride ethoxylates, sorbitan ester ethoxylates, alkyl polyglycosides, polyglyceryl esters, mixtures thereof, and the like. Certain preferred nonionic surfactants include alkyl polyglycosides, for example, but not limited to coco-glycoside and decylglycoside and polyglyceryl esters, for example, but not limited to polyglyceryl-10 laurate and polyglyceryl-10 oleate.

Any of several commercially available secondary conditioners, such as volatile silicones that impart additional attributes such as shine to hair, are suitable for use with this invention. In one embodiment, the volatile silicone conditioning agent has a boiling point with atmospheric pressure of less than 220 ° C. The volatile silicone conditioner may be present in an amount from about 0 percent to about 3 percent, for example from about 0.25 percent to about 2.5 percent or from about 0.5 to about 1 percent. percent based on the weight of the composition as a whole. Examples of suitable volatile silicones include, but are not limited to, polydimethyl siloxane, polydimethyl cyclosiloxane, hexamethyl disiloxane, cyclomethicone fluids such as polydimethylcyclo siloxane commercially available from Dow Corning Corporation of Midland, Michigan, USA under the trade name "DC -345 "and mixtures thereof, and preferably include cyclomethicone fluids.

Any of the commercially available wetting varieties, which are capable of providing hydration and conditioning properties to the personal care composition, are suitable for use in this invention. The humectant may be present in an amount from about 0% to about 10%, for example from about 0.5% to about 5%, or from about 0.5% to about 3%, with based on the weight of the composition as a whole. Examples of suitable humectants not exclusively include: 1) water-soluble liquid polyols selected from the group consisting of glycerine, propylene glycol, hexylene glycol, butylene glycols, dipropylene glycol, and mixtures thereof; 2) polyalkylene glycol of the following formula: wherein R 'is an alkylene group having from about 2 to about 3 carbon atoms and b is an integer from about 2 to about about 10; 3) polyethylene glycol methyl glucose ether of the formula CH3-CeH 10 O- (OCH2 CH2) c-OH, where c is an integer from about 5 to about 25; 4) urea; and 5) mixtures thereof, with glycerin being the preferred humectant.

Examples of suitable chelating agents include those capable of protecting and preserving the compositions of this invention. Preferably, the chelating agent is tetraacetic ethylenediamine acid ("EDTA"), more preferably tetrasodium EDTA, commercially available from the Dow Chemical Company of Midland, Michigan, USA under the trade name "Versene 100XL". "and is present in an amount, based on the total weight of the composition, from about 0 to about 0.5 percent or about 0.05 percent to about 0.25 percent.

Suitable preservatives including organic acid preservatives may include benzoic acid and alkali metal and ammonium salts thereof (eg sodium benzoate), sorbic acid and alkali metal and ammonium salts thereof (eg potassium sorbate) , p-Anisic acid and alkali metal and ammonium salts thereof, and salicylic acid and alkali metal and ammonium salts thereof, the pH of the composition may be adjusted to the appropriate acid value using any organic or inorganic acid cosmetically acceptable, such as citric acid, acetic acid, glycolic acid, lactic acid, malic acid, tartaric acid or hydrochloric acid.

In one embodiment of the composition, sodium benzoate is present in the composition in an amount, based on the total weight of the composition, from about 0 to about 0.5 percent. In another embodiment, potassium sorbate is present in the composition in an amount, based on the total weight of the composition, from about 0 to about 0.6 percent, more preferably from about 0.3 to about 0.5. Percent.

The methods of this invention may further comprise essentially consisting of and consisting of any variety of steps for blending or introducing one or more additional components described hereinabove with or in a composition comprising a polymeric material before, after, or simultaneously with the combination step described above. Although in some embodiments the order of the blend is not critical, in other embodiments it is preferred to pre-blend certain components, such as the fragrance and nonionic surfactant, before adding them to a composition comprising a polymeric material and / or a surfactant. anionic.

The cleaning methods of the present invention may also include any variety of additional and optional steps conventionally associated with cleaning the skin and hair including, for example, the foaming and rinsing steps, and the like.

Although we do not wish to abide by or any particular theory of operation, it is believed that the surfactant associated with the low molecular weight hydrophobically modified polymer (hm polymer) is more stable than surfactants that exist as a micelle. Thus, the surfactant contained in a micellar structure more readily disperses outside the micelle than when associated with a low molecular weight hydrophobically modified polymer. The aforementioned information regarding low molecular weight hydrophobically modified polymers as well as compositions which may be useful in the methods of the present invention are shown in 7803403, US2006 / 0257348 and US20070111910, all of which are hereby incorporated herein. invention by reference.

The methods and compositions of this invention, illustrated herein, may be practiced in the absence of any component, ingredient, or step that is not explicitly disclosed herein. Several examples are shown below to further illustrate the nature of the invention and the embodiment thereof. However, the invention should not be construed as being limited to the details shown. Methods Clarity Test: The clarity of each sample was measured by the clarity test, the procedure involving the preparation of a 1 cm cell sample of the composition to be measured and measuring the% light transmittance associated with such a sample. the use of an Agilent 8453 UV-visible spectrophotometer with a 1 cm cell at a wavelength of 800 nm. Clarity was determined for each undiluted cleaning composition. Results are reported as% T,% transmittance across the 1 cm cell cleaning composition.

Light Scattering Test: The clarity of a wiper is determined by the colloidal clusters that scatter light. A cleaner that is lighter typically will have only small colloidal clusters. Larger colloidal clusters of the order of 1/3 wavelength of light will scatter light and produce a cloudy or cloudy solution.

Cleaner samples were analyzed using a Zetasizer Nano ZS DLS instrument (Malvern Instruments, Inc., Southborough, MA, USA) operating at 25.0 ° C. The instrument has been integrated with Malvern dispersion technology software. Unfiltered sample solutions were diluted to 3% and dispensed into cuvettes (12 mm square polystyrene cuvettes, DTS0012) to the 10 mm mark, and covered. Measurements were made at attenuation 7 with a 4 mW He-Ne laser, 633 nm at the 4.65 mm position. The temperature was kept constant at 25 degrees Celsius. Measurements were made in 3 repetitions and 11 tests each. The laser (at 633 nm) is incident on the cleaning composition and spreads from the colloidal clusters back to the detector. A fuzzy cleaning solution will have more and larger colloidal particles, thus producing more detector scatter and a higher counting rate.

Cleaning Formulation Mix Procedure Solutions were created in 96-well plates using a serial dilution method with a Hamilton Microlab Starlet high speed liquid controller. Each plate comprising one or two amphoteric surfactants and / or low molecular weight hydrophilic polymer. Four different surfactant ratios were run on the same plate producing 24 different solutions for each combination of ingredients and one aqueous Potassium Acrylate Copolymer solution that was used as a diluting agent.

Materials: A hydrophobically modified low molecular weight Potassium Acrylate Copolymer polymer (Lubrizol, Brecksville, OH, USA) was used in the compositions of this invention as the low molecular weight hydrophobically modified polymer.

The amphoteric surfactants used were: Lauro Sodium Anfoacetate (SLAC) sold under the tradename Miranol Ultra L-32, (Rhodia, Cranbury, NJ, USA), Cocamido Propyl Hydroxy Sultaine (CPHS) sold under the tradename Mackam CBS -50G, (Rhodia, Cranbury, NJ, USA), Cocamido Propyl Betaine (CAPB) sold under the tradename Tego Betain L 7V, (Evonik, Hopewell, VA, USA), and Coco Betaine (CB) sold under trademark of Dehyton AB-30, (Cognis, Cincinnati, OH, USA). Stock solutions were created that consisted of 15 wt.% Amphoteric surfactant and a series of solutions with different concentrations of Potassium Acrylates Copolymer. The pH of each of these surfactant stock solutions and water or polymer and water was measured and adjusted to the desired pH. The surfactant and water solutions were added to the initial well, so this solution was 21 times with the Potassium Acrylate Copolymer solution sequentially to produce dilutions of 75%, 50%, 37.5%, 25%, 18, 75%, 12.5%, 9.375%, 6.25%, 4.6875%, 3.125%, 2.343%, 1.5625%, 1.171875%, 0.78125%, 0.585938%, 0 , 390625%, 0.292969%, 0.195313%, 0.146484%, 0.097656% and 0.073242%. After serial dilution, each well contained a total volume of 80 μΙ except for column 11 in the plate well, which contained 160 μΙ. For this column, the absorbance was adjusted to reflect the increased amount of material in these wells. Column 12 in the dish cavity was reserved for dilution agent control and did not incorporate any amphoteric surfactant.

Clarity Absorbance Testing By the thermal dilution of the serial dilution in the liquid controller, the well plate with 96 different solutions was transferred to the Specec Max 340 PC spectrophotometer from Molecular Devices and any bubbles removed to avoid possible interference with the measurements. Then the absorbance at a wavelength of 410 nm was measured for each solution 5 minutes after the completion of each plate.

The following examples exemplify, but do not limit, the compositions of this invention.

Example 1 Comparative C1 - C4: Preparation of Cleaning Compositions The C1 - C4 cleaning compositions were prepared according to the materials and proportions listed in Table Table 1_____________________________________________________________ expressed in% by weight of actives Each of the compositions in Table 1 were independently prepared as follows: Water (50.0 parts) was added to a beaker. The following ingredients were then added thereto independently with mixing until each respective resulting mixture was homogeneous: the hm polymer (Example 968, Aqua SF-1, Inutec SP-1, etc. depending on the example), Cedepal TD403MF-D , Tegobetaine L7-V, Merquat S, Vensene 100XL and Nipasept. The pH of the resulting solution was then adjusted with a 20% citric acid solution or sodium hydroxide solution until the final desired pH was obtained. The remaining water was then added to it. Formulas with the same components but different pH's were all made independently. Example 2 Clarity results for C1 - C4 samples at different pHs: The clarity of the C1 - C4 compositions determined according to the clarity test.

Table 2 shows the results of the lightness test of a series of cleaning compositions (C1-C4) containing a series of low molecular weight hydrophobically modified polymers and a combination of ethoxylated anionic surfactant and amphoteric surfactant, Tridecet Sodium Sulphate and Cocamido Propyl Betaine, respectively as described in Table 1. While the clarity of the cleaning compositions are clear (i.e., they have a% transmittance as measured by the clarity test greater than about 90%) at high pH, around 6 ° C. 3, the clarity is much lower at a lower pH. Six grams of the low molecular weight hydrophobically modified polymer potassium acrylate copolymer were added to 94 grams of samples from each of the JBS (Johnson Baby shampoo containing ingredients as mentioned on the label (Water, Cocamide Propyl Betaine, PEG) -80 Sorbitan Laurate, Tridecet Sodium Sulphate, PEG-150 Disestearate, Fragrance, Tetrasodium EDTA, Polyquaternium-10, Quaternium-15, Sodium Hydroxide, D&C Yellow 10, D&C Orange 4) and HTT (Head-to -Toe Johnson Baby Body Wash that contains the ingredients as listed on the label (Water, Propyl Betaine Cocamide, PEG-80 Sorbitan Laurate, Sodium Lauret Sulphate, PEG-150 Disestearate, Tetrasodium EDTA, Sodium Chloride, Polyquaternium-10, Fragrance, Quaternium-15, Citric Acid) The new clarity of the new compositions was measured by the Clarity Test The clarity of the cleaning compositions is greater than about 90% (clear). da) at high pH, about 6.3 and the clarity is lower at lower pH. In US 7803403, cleaning systems containing sodium tridecet sulfate or sodium lauret sulfate and commercial JBS and HTT products were evaluated. Although US 7803403 discloses clear cleaning systems with a linear low molecular weight acrylic polymer and such surfactants, when the same systems are prepared at a lower pH (below about pH 6.2) the cleaning systems lose lightness and become hazy and translucent. Comparative Example C5 - C11: Preparation of Cleaning Compositions The C5 - C11 cleaning compositions were prepared according to the materials and amounts mentioned in table 3. expressed in% by weight of actives. 3 were independently prepared as follows: Water (50.0 parts) was added to a beaker. The following ingredients were then added thereto independently with mixing until each respective resulting mixture was homogeneous: The hydrophobically modified Potassium Acrylate copolymer polymer (e.g. 968, Lubrizol, Brecksville, OH), then the Cocamido propyl hydroxy surfactant sultaine, Decila Glycoside, Cocamido propyl betaine, or Lauro Amphodiacetate Disodium as called. The pH of the resulting solution was then adjusted with a 20% solution of sodium hydroxide or citric acid until the final desired pH was obtained. The remaining water was then added to it. Formulas with the same components but different pH's were all made independently.

Example 4 Clarity results for C5 - C11 samples at different pHs: The clarity of the C5 - C11 compositions determined according to the Clarity test.

As shown in Table 4, the low molecular weight hydrophobically modified polymer (hereinafter, "molecular weight") without surfactant, C5, at a low pH of 4.0 has a low clarity. As shown in Table 2, clear cleaning compositions are readily made at moderate pH (pH between about 6.3 - 6.6) with the low molecular weight linear acrylic polymer, potassium acrylate copolymer, and numerous different types. of surfactant systems. Table 4 shows non-clear (% T less than about 90%) cleaning compositions at low pH: low molecular weight linear acrylic polymer, Potassium Acrylates Copolymer, and amphoteric and nonionic surfactants, Cocamido propil hydroxy sultaine and Decyl glycoside, respectively. Table 4 also shows separate phase cleaning compositions and forms a white precipitate at low pH, Cocamido propyl betaine and Lauro disodium amphodiacetate, respectively. This phase separation was present at low and high surfactant concentrations.

Example 5 Comparative C12 - C18: Preparation of Cleaning Compositions C12 - C18 cleaning compositions were prepared according to the materials and amounts mentioned in Table 5 Table 5 _________________________________________ expressed in% by weight of actives Each of the compositions Table 5 was independently prepared as follows: Water (50.0 parts) was added to a beaker. The following ingredients were then added thereto independently with mixing until each respective resulting mixture was homogeneous: the hydrophobically modified polymer, Potassium Acrylates Copolymer (Example 968, Lubrizol, Brecksville, OH, USA), then the Tridecet Sulfate surfactant Sodium Lauret Sulfate, Sodium Alpha Olefin Suifonate or Coco Sulphate was added as needed. The pH of the resulting solution was then adjusted with a 20% solution of sodium hydroxide or citric acid until the final desired pH was obtained. The remaining water was then added to it. Formulas with the same components but different pH's were all made independently.

Example 6 Clarity results for C12 - C18 samples at different pHs: Clarity results for C12 - C18 were determined according to the Clarity test.

As shown in Table 2, clear cleaning compositions are readily made at moderate pH (pH from about 6.3 to about 6.6) with the low molecular weight linear acrylic polymer, potassium acrylate copolymer, and numerous different types of surfactant systems. However, in Table 2, when these cleaning compositions are brought to a low pH (below a pH of about 6.2), they lose clarity. In addition, lower pH C12-C14 cleaning compositions contain a range of ethoxylated anionic surfactants in a range of levels, none of which achieves clear systems at low pH.

Cleaning compositions with the low molecular weight linear acrylic polymer, potassium acrylate copolymer and a low amount of unethoxylated anionic surfactant, sodium alpha olefin sulfonate and sodium coconut sulfate, C15 and C17, respectively, also have low clarity. . However, cleaning systems with low molecular weight linear acrylic polymer, Potassium Acrylate Copolymer and non-ethoxylated anionic surfactant can achieve high clarity, C16 and C18. A sufficient amount of anionic surfactant, of more than about 2.0% active, is required to achieve a sufficiently clear formula.

Example 7 Comparative Examples C19-25: Unethoxylated Anionic Stress Cleaning Compositions and Clarity C19-25 cleaning compositions were prepared according to the materials and amounts mentioned in table 7.

Table 7 ________________________________________, ______, ______, expressed in% by weight of assets Each of the compositions in Table 7 were independently prepared as follows: Water (50.0 parts) was added to a beaker. The following ingredients were then added thereto independently with mixing until each respective resulting mixture was homogeneous: the hydrophobically modified polymer, Potassium Acrylates Copolymer (Ex. 968, Lubrizol, Brecksville, OH), then the lauryl sulfate surfactant of ammonium, sodium dodecyl benzene sulfonate, sodium lauryl sulfate or sodium tridecyl sulfate as required. The pH of the resulting solution was then adjusted with a 20% solution of sodium hydroxide or citric acid until the final desired pH was obtained. The remaining water was then added to it. Formulas with the same components but different pH's were all made independently.

Example 8 Clarity Results for Comparative Examples C16. 18-25 at different pHs: The clarity of C16 compositions, 18-25 was determined according to the Clarity test.

All cleaning compositions in Table 8, C16, 18-25 contain the low molecular weight hydrophobically modified polymer, Potassium acriate copolymer and a range of non-ethoxylated anionic tensioners at levels above 2.0% active and All of these cleaning compositions have high clarity as measured by the Light Scattering that tests (the clarity when the counting rate is less than about 70 kcts / s). In the low molecular weight hydrophobically modified polymer cleaning compositions and non-ethoxylated anionic surfactants, at about 9.0 wt% active and about 2.0 wt% active, the clarity of the compositions was higher. even at low pH.

Example 9 Comparative Examples C26-C31: Non-Ethoxylated Anionic Surfactant - Amphoteric Surfactant Cleaning Compositions The C26-C31 cleaning compositions were prepared according to the materials and amounts mentioned in Table 9 expressed in% by weight of assets. The compositions of Table 9 were independently prepared as follows: Water (50.0 parts) was added to a beaker. The following ingredients were then added thereto independently with mixing and / or heating until each respective resulting mixture was homogeneous: Polyglyceryl-10 Laurate and Sodium Lauryl Sulfoacetate with heat to 70 °. Then heat was removed and the mixture was naturally cooled while the following ingredients were added: glycerine, then surfactants, Sodium Lauryl Sulfosuccinate, Sodium Olefin (C14-16) Sulfonate, Ammonium Lauryl Sulfate, Sodium Isotridecyl Alcohol Sulfate, Sodium Cocosulfate, Cocamido Propyl Betaine and / or Cocamido Propyl Hydroxy Sultaine and then Polyquaternium-7 where required, then the hydrophobically modified polymer, Potassium Acrylates Copolymer (Example 968, Lubrizol, Brecksville, OH, USA) , and then the condom and fragrance as they are called. The pH of the resulting solution upon addition of the hydrophobically modified polymer Potassium Acrylate Copolymer (Example 968, Lubrizol, Brecksville, OH, USA) was adjusted with a 20% sodium hydroxide solution to a pH greater than 7 .0. After addition of preservative and fragrance, the pH of the resulting solution was adjusted with 20% citric acid solution until the desired end of pH was obtained. The remaining water was then added to it. Formulas with equal components but different pH were made from the same batch and samples were taken at different pH levels.

Example 10 Clarity Results for Examples of the Invention E26 - E31 at Different pH: The clarity of E26-E31 compositions was determined according to the Clarity test and the light scattering test.

The foregoing cleaning compositions, C1 - C4 and C6 - C10, shown have contained amphoteric ethoxylate and / or nonionic anionic surfactants contained. All of these cleaning compositions at lower pH (i.e. below about 6.2) have shown low clarity. All cleaning compositions in Table 8, C16, 18-25 contain the low molecular weight hydrophobically modified polymer, potassium acrylate copolymer and a range of non-ethoxylated anionic surfactants in contents above 2.0% active, and All of these cleaning compositions have high clarity.

Surprisingly, the combination of the low molecular weight hydrophobically modified polymer, potassium acrylate copolymer and non-ethoxylated anionic surfactants with amphoteric surfactants produces cleansing compositions which are clear with a pH below about 6.2 (E1-E6 from Table 10). . In low molecular weight hydrophobically modified polymer blends, potassium acrylate copolymer and non-ethoxylated anionic surfactant with amphoteric surfactant, the ratio of anionic: amphoteric surfactant is of critical importance in achieving clarity at low pH. When the ratio of anionic to amphoteric surfactant is less than about 0.5, the clarity is achieved at a pH of less than about 6.2 but not at a lower pH, that is, less than about 4.8. The effect of anionic: amphoteric surfactant ratio on the clarity of the cleaning composition is independent of the total surfactant concentration. Surprisingly, in cleaning compositions with an amphoteric anionic surfactant ratio of less than about 0.5, the concentration of unethoxylated anionic surfactant was less than about 2% active and the cleaning compositions are clear less than about 6.2 and greater than about 4.8.

When the anionic amphoteric surfactant is greater than about 0.5, clarity is achieved at pH less than about 6.2. Low pH clarity for amphoteric-anionic surfactant from low molecular weight hydrophobically modified polymer cleaning compositions, Potassium Acrylates Copolymer, is achieved for non-ethoxylated anionic surfactants mixed with amphoteric surfactants, but not achieved for hydrophobically modified polymer. low molecular weight, Potassium Acrylates Copolymer and ethoxylated anionic surfactants mixed with amphoteric surfactants.

Cocamido Propyl cocamido Propyl hydroxy copolymer Betaine Acrylates Example Absorbance Potassium sultaine Water Ea 0.05 1.3000 12.1000 0.21 q.s.

Ea 33 0.08 0.6500 6.0500 1.11 q.s.

Ea 34 0.15 0.3250 3.0250 1.55 q.s.

Cocamido Propyl cocamido Propyl hydroxy copolymer Acrylate Betaine Example Absorbance Potassium sultaine Water Ea 93 0.08 6.0500 0.6500 1.11 q.s.

Ea 94 0.11 3.0250 0.3250 1.55 q.s.

Ea 95 0.15 1.5125 0.1625 1.78 q.s.

Ea 96 0.14 0.7563 0.0813 1.89 q.s.

Ea 97 0.13 0.3781 0.0406 1.94 q.s.

Ea 98 0.12 0.1891 0.0203 1.97 q.s.

Ea 99 0.12 0.0945 0.0102 1.99 q.s.

Ea 100 0.12 0.0473 0.0051 1.99 q.s.

Ea 101 0.12 0.0236 0.0025 2.00 q.s.

Ea 102 0.19 9.0750 0.9750 0.66 q.s.

Ea 103 0.10 4.5375 0.4875 1.33 q.s.

Ea 104 0.15 2.2688 0.2438 1.67 q.s.

Ea 105 0.15 1.1344 0.1219 1.83 q.s.

Ea 106 0.13 0.5672 0.0609 1.92 q.s.

Ea 107 0.12 0.2836 0.0305 1.96 q.s.

Ea 108 0.12 0.1418 0.0152 1.98 q.s.

Ea 109 0.12 0.0709 0.0076 1.99 q.s.

Ea 110 0.12 0.0354 0.0038 1.99 q.s.

Ea 111 0.11 0.0177 0.0019 2.00 q.s.

Example 12 Examples Ea112 - Ea190: Preparation of Cleaning Compositions Cleaning Compositions, Examples or Comparative Examples 112 - 190, were prepared according to the materials and ratios mentioned in the Table and under the Cleaning Mixing Procedure detailed above and to a pH 5.5 The associated absorbance for each example as determined by the Absorbance Test is also shown.

Example Absorbance Lauro Cocamido Copolymer Water Acrylates propyl hydroxy propyl anfoacetate Sodium Potassium sultaine Ea 170 0.14 0.0117 0.0275 1.99 q.s.

Ea 171 0.13 0.0059 0.0138 2.00 q.s.

Ea 172 0.13 6.0500 0.6500 1.11 q.s.

Ea 173 0.13 3.0250 0.3250 1.55 q.s.

Ea 174 0.17 1.5125 0.1625 1.78 q.s.

Ea 175 0.16 0.753 0.0813 1.89 q.s.

Ea 176 0.15 0.3781 0.0406 1.94 q.s.

Ea 177 0.14 0.1891 0.0203 1.97 q.s.

Ea 178 0.14 0.0945 0.0102 1.99 q.s.

Ea 179 0.14 0.0473 0.0051 1.99 q.s.

Ea 180 0.13 0.0236 0.0025 2.00 q.s.

Ea 181 0.10 9.0750 0.9750 0.66 q.s.

Ea 182 0.15 4.5375 0.4875 1.33 q.s.

Ea 183 0.16 2.2688 0.2438 1.67 q.s.

Ea 184 0.17 1.1344 0.1219 1.83 q.s.

Ea 185 0.16 0.5672 0.0609 1.92 q.s.

Ea 186 0.15 0.2836 0.0305 1.96 q.s.

Ea 187 0.14 0.1418 0.0152 1.98 q.s.

Ea 188 0.14 0.0709 0.0076 1.99 q.s.

Ea 189 0.14 0.0354 0.0038 1.99 q.s.

Ea 190 0.13 0.0177 0.0019 2.00 q.s.

Example 13 Examples (Ea1 and Comparative (Ca) 191-270: Preparation of Cleaning Compositions The Example or Comparative cleaning compositions 191-270 were prepared according to the materials and proportions mentioned in the table and under the Procedure of Cleaning Mix detailed above and at a pH of 5.5 The associated absorbance for each example as determined by the Absorbance Test is also shown.

Absorbance example Cocamido cocobetaine Water Copolymer Propyl hydroxy Sultaine acrylates Potassium Ea 191 0.06 1.3000 12.1000 0.54 q.s.

Ca 192 1.45 0.6500 6.0500 2.77 q.s.

Ca 193 1.83 0.3250 3.0250 3.88 q.s.

Ca 194 2.04 0.1625 1.5125 4.44 q.s.

Ca 195 1.18 0.0813 0.7563 4.72 q.s.

Ca 196 1.90 0.0406 0.3781 4.86 q.s.

Ca 197 1.89 0.0203 0.1891 4.93 q.s.

Ca 198 1.89 0.0102 0.0945 4.97 q.s.

Ca 199 1.88 0.0051 0.0473 4.98 q.s.

Ca 200 1.87 0.0025 0.0236 4.99 q.s.

Ca 201 0.44 0.9750 9.0750 1.65 q.s.

Ca 202 0.62 0.4875 4.5375 3.33 q.s.

Ca 203 2.09 0.2438 2.2688 4.16 q.s.

Ca 204 0.14 0.1219 1.1344 4.58 q.s.

Ca 205 1.80 0.0609 0.5672 4.79 q.s.

Ca 206 1.87 0.0305 0.2836 4.90 q.s.

Ca 207 1.87 0.0152 0.1418 4.95 q.s.

Ca 208 1.86 0.0076 0.0709 4.97 q.s.

Ca 209 1.86 0.0038 0.0354 4.99 q.s.

Ca 210 1.86 0.0019 0.0177 4.99 q.s.

Ea 211 0.07 9.4000 4.0000 0.54 q.s.

Ca 212 1.12 4.7000 2.0000 2.77 q.s.

Ca 213 1.60 2.3500 1.0000 3.88 q.s.

Ca 214 1.87 1.1750 0.5000 4.44 q.s.

Ca 215 1.85 0.5875 0.200 4.72 q.s.

Ca 216 1.87 0.2938 0.1250 4.86 q.s.

Ca 217 1.87 0.1469 0.0625 4.93 q.s.

Absorbance Example Cocaine Cocaine Betaine Water Copolymer Propyl Hydroxy Sultaine Acrylates Potassium Ca 218 1.87 0.0734 0.0313 4.97 q.s.

Ca 219 1.87 0.0367 0.0156 4.98 q.s.

Ca 220 1.85 0.0184 0.0078 4.99 q.s.

Ca 221 0.17 7.0500 3.0000 1.65 q.s.

Ca 222 1.30 3.5250 1.5000 3.33 q.s.

Ca 223 1.74 1.7625 0.7500 4.16 q.s.

Ca 224 1.87 0.8813 0.3750 4.58 q.s.

Ca 225 1.85 0.4406 0.1875 4.79 q.s.

Ca 226 1.87 0.2203 0.0938 4.90 q.s.

Ca 227 1.87 0.1102 0.0469 4.95 q.s.

Ca 228 1.87 0.0551 0.0234 4.97 q.s.

Ca 229 1.87 0.0275 0.0117 4.99 q.s.

Ca 230 1.86 0.0138 0.0059 4.99 q.s.

Ea 231 0.06 4.0000 9.4000 0.54 q.s.

Ca 232 1.33 2.0000 4.7000 2.77 q.s.

Ca 233 1.67 1.0000 2.3500 3.88 q.s.

Ca 234 1.80 0.5000 1.1750 4.44 q.s.

Ca 235 1.85 0.200 0.5875 4.72 q.s.

Ca 236 1.89 0.1250 0.2938 4.86 q.s.

Ca 237 1.90 0.0625 0.1469 4.93 q.s.

Ca 238 1.88 0.0313 0.0734 4.97 q.s.

Ca 239 1.88 0.0156 0.0367 4.98 q.s.

Ca 240 1.86 0.0078 0.0184 4.99 q.s.

Ca 241 0.98 3.0000 7.0500 1.65 q.s.

Ca 242 1.20 1.5000 3.5250 3.33 q.s.

Ca 243 1.79 0.7500 1.7625 4.16 q.s.

Ca 244 1.83 0.3750 0.8813 4.58 q.s.

Ca 245 1.86 0.1875 0.4406 4.79 q.s.

Ca 246 1.87 0.0938 0.2203 4.90 q.s.

Absorbance Example Cocaine Cocaine Betaine Water Copolymer Propyl Hydroxy Sultaine Acrylates Potassium Ca 247 1.91 0.0469 0.1102 4.95 q.s.

Ca 248 1.88 0.0234 0.0551 4.97 q.s.

Ca 249 1.88 0.0117 0.0275 4.99 q.s.

Ca 250 1.87 0.0059 0.0138 4.99 q.s.

Ca 251 0.07 12.1000 1.3000 0.54 q.s.

Ca 252 1.31 6.0500 0.6500 2.77 q.s.

Ca 253 1.77 3.0250 0.3250 3.88 q.s.

Ca 254 1.83 1.5125 0.1625 4.44 q.s.

Ca 255 1.87 0.7563 0.0813 4.72 q.s.

Ca 256 1.86 0.3781 0.0406 4.86 q.s.

Ca 257 1.88 0.1891 0.0203 4.93 q.s.

Ca 258 1.87 0.0945 0.0102 4.97 q.s.

Ca 259 1.87 0.0473 0.0051 4.98 q.s.

Ca 260 1.87 0.0236 0.0025 4.99 q.s.

Ca 261 0.33 9.0750 0.9750 1.65 q.s.

Ca 262 1.44 4.5375 0.4875 3.33 q.s.

Ca 263 1.79 2.2688 0.2438 4.16 q.s.

Ca 264 1.86 1.1344 0.1219 4.58 q.s.

Ca 265 1.88 0.5672 0.0609 4.79 q.s.

Ca 266 1.89 0.2836 0.0305 4.90 q.s.

Ca 267 1.90 0.1418 0.0152 4.95 q.s.

Ca 268 1.90 0.0709 0.0076 4.97 q.s.

Ca 269 1.90 0.0354 0.0038 4.99 q.s.

Ca 270 1.89 0.0177 0.0019 4.99 q.s.

Example 14 Examples (Ea) and Comparative (Cal 271 - 350: Preparation of Cleaning Compositions The Example or Comparative cleaning compositions 271 - 350 were prepared according to the materials and ratios mentioned in the Table and under the Mixing Procedure. above at a pH of 5.5 The associated absorbance for each example as determined by the Absorbance Test is also shown.

Example Absorbance Cocaine Cocaine Betaine Water Copolymer Propyl Hydroxy Sultaine Acrylates Potassium Ea271 0.07 1.3000 12.1000 1.07 q.s.

Ca 272 1.43 0.6500 6.0500 5.54 q.s.

Ca 273 2.28 0.3250 3.0250 7.77 q.s.

Ca 274 2.06 0.1625 1.5125 8.88 q.s.

Ca 275 2.04 0.0813 0.7563 9.44 q.s.

Ca 276 2.04 0.0406 0.3781 9.72 q.s.

Ca 277 1.89 0.0203 0.1891 9.86 q.s.

Ca 278 1.96 0.0102 0.0945 9.93 q.s.

Ca 279 2.14 0.0051 0.0473 9.97 q.s.

Ca 280 1.71 0.0025 0.0236 9.98 q.s.

Ca 281 0.21 0.9750 9.0750 3.30 q.s.

Ca 282 1.80 0.4875 4.5375 6.65 q.s.

Ca 283 1.96 0.2438 2.2688 8.33 q.s.

Ca 284 2.00 0.1219 1.1344 9.16 q.s.

Ca 285 2.01 0.0609 0.5672 9.58 q.s.

Ca 286 2.01 0.0305 0.2836 9.79 q.s.

Ca 287 2.03 0.0152 0.1418 9.90 q.s.

Ca 288 1.97 0.0076 0.0709 9.95 q.s.

Ca 289 2.03 0.0038 0.0354 9.97 q.s.

Ca 290 2.00 0.0019 0.0177 9.99 q.s.

Ea 291 0.07 9.4000 4.0000 1.07 q.s.

Ca 292 1.67 4.7000 2.0000 5.54 q.s.

Ca 293 1.94 2.3500 1.0000 7.77 q.s.

Ca 294 1.98 1.1750 0.5000 8.88 q.s.

Example Absorbance Cocamido coconut betalna Water Copolymer Propyl hydroxy Sultalna acrylates Potassium Ca 295 2.00 0.5875 0.200 9.44 q.s.

Ca 296 2.00 0.2938 0.1250 9.72 q.s.

Ca 297 2.01 0.1469 0.0625 9.86 q.s.

Ca 298 2.01 0.0734 0.0313 9.93 q.s.

Ca 299 2.01 0.0367 0.0156 9.97 q.s.

Ca 300 1.99 0.0184 0.0078 9.98 q.s.

Ca 301 0.82 7.0500 3.0000 3.30 q.s.

Ca 302 1.74 3.5250 1.5000 6.65 q.s.

Ca 303 1.96 1.7625 0.7500 8.33 q.s.

Ca 304 1.99 0.8813 0.3750 9.16 q.s.

Ca 305 2.00 0.4406 0.1875 9.58 q.s.

Ca 306 2.01 0.2203 0.0938 9.79 q.s.

Ca 307 2.01 0.1102 0.0469 9.90 q.s.

Ca 308 2.01 0.0551 0.0234 9.95 q.s.

Ca 309 1.99 0.0275 0.0117 9.97 q.s.

Ca 310 1.99 0.0138 0.0059 9.99 q.s.

Ea 311 0.09 4.0000 9.4000 1.07 q.s.

Ca 312 1.66 2.0000 4.7000 5.54 q.s.

Ca 313 1.92 1.0000 2.3500 7.77 q.s.

Ca 314 1.96 0.5000 1.1750 8.88 q.s.

Ca 315 2.01 0.200 0.5875 9.44 q.s.

Ca 316 2.00 0.1250 0.2938 9.72 q.s.

Ca 317 2.02 0.0625 0.1469 9.86 q.s.

Ca 318 2.01 0.0313 0.0734 9.93 q.s.

Ca 319 2.02 0.0156 0.0367 9.97 q.s.

Ca 320 1.99 0.0078 0.0184 9.98 q.s.

Ca 321 1.12 3.0000 7.0500 3.30 q.s.

Ca 322 1.76 1.5000 3.5250 6.65 q.s.

Ca 323 1.94 0.7500 1.7625 8.33 q.s.

Example Absorbance Cocaine Cocaine Betaine Water Copolymer Propyl Hydroxy Sultatna Acrylates Potassium Ca 324 2.00 0.3750 0.8813 9.16 q.s.

Ca 325 1.99 0.1875 0.4406 9.58 q.s.

Ca 326 2.01 0.0938 0.2203 9.79 q.s.

Ca 327 2.02 0.0469 0.1102 9.90 q.s.

Ca 328 2.01 0.0234 0.0551 9.95 q.s.

Ca 329 2.01 0.0117 0.0275 9.97 q.s.

Ca 330 2.00 0.0059 0.0138 9.99 q.s.

Ca 331 0.12 12.1000 1.3000 1.07 q.s.

Ca 332 1.82 6.0500 0.6500 5.54 q.s.

Ca 333 1.96 3.0250 0.3250 7.77 q.s.

Ca 334 1.99 1.5125 0.1625 8.88 q.s.

Ca 335 2.00 0.7563 0.0813 9.44 q.s.

Ca 336 2.01 0.3781 0.0406 9.72 q.s.

Ca 337 2.02 0.1891 0.0203 9.86 q.s.

Ca 338 2.01 0.0945 0.0102 9.93 q.s.

Ca 339 2.01 0.0473 0.0051 9.97 q.s.

Ca 340 2.01 0.0236 0.0025 9.98 q.s.

Ca 341 1.37 9.0750 0.9750 3.30 q.s.

Ca 342 1.89 4.5375 0.4875 6.65 q.s.

Ca 343 1.99 2.2688 0.2438 8.33 q.s.

Ca 344 2.02 1,1344 0.1219 9.16 q.s.

Ca 345 2.04 0.5672 0.0609 9.58 q.s.

Ca 346 2.04 0.2836 0.0305 9.79 q.s.

Ca 347 2.05 0.1418 0.0152 9.90 q.s.

Ca 348 2.04 0.0709 0.0076 9.95 q.s.

Ca 349 2.04 0.0354 0.0038 9.97 q.s.

Ca 350 2.03 0.0177 0.0019 9.99 q.s.

Example 15 Examples (Ea) and Comparative (Ca) 351 - 430: Preparation of Cleaning Compositions The Example or Comparative cleaning compositions 351 -430 were prepared according to the materials and proportions mentioned in the table and under the Procedure of Cleaning Mix detailed above and at a pH of 5.5. The associated absorbance for each example as determined by the absorbance test is also shown.

Example Absorbance Cocaine Cocaine Betaine Copollimer Propyl Hydroxy Water of Potassium Sultaine Acrylates Ea 351 0.05 1.3000 12.1000 0.21 q.s.

Ea 352 0.10 0.6500 6.0500 1.11 q.s.

Ca 353 0.56 0.3250 3.0250 1.55 q.s.

Ca 354 0.93 0.1625 1.5125 1.78 q.s.

Ca 355 0.46 0.0813 0.7563 1.89 q.s.

Ca 356 0.53 0.0406 0.3781 1.94 q.s.

Ca 357 0.37 0.0203 0.1891 1.97 q.s.

Ca 358 0.25 0.0102 0.0945 1.99 q.s.

Ca 359 0.19 0.0051 0.0473 1.99 q.s.

Ca 360 0.16 0.0025 0.0236 2.00 q.s.

Ea361 0.08 0.9750 9.0750 0.66 q.s.

Ea 362 0.15 0.4875 4.5375 1.33 q.s.

Ca 363 0.83 0.2438 2.2688 1.67 q.s.

Ca 364 0.52 0.1219 1.1344 1.83 q.s.

Ca 365 0.43 0.0609 0.5672 1.92 q.s.

Ca 366 0.37 0.0305 0.2836 1.96 q.s.

Ca 367 0.27 0.0152 0.1418 1.98 q.s.

Ca 368 0.20 0.0076 0.0709 1.99 q.s.

Ca 369 0.17 0.0038 0.0354 1.99 q.s.

Ca 370 0.14 0.0019 0.0177 2.00 q.s.

Example Absorbance Cocaine Cocaine Betaine Copolymer Propyl Hydroxy Water of Potassium Sultafna Acrylates Ea 371 0.05 9.4000 4.0000 0.21 q.s.

Ca 372 0.12 4.7000 2.0000 1.11 q.s.

Ca 373 0.18 2.3500 1.0000 1.55 q.s.

Ca 374 0.19 1.1750 0.5000 1.78 q.s.

Ca 375 0.16 0.5875 0.200 1.89 q.s.

Ca 376 0.15 0.2938 0.1250 1.94 q.s.

Ca 377 0.15 0.1469 0.0625 1.97 q.s.

Ca 378 0.14 0.0734 0.0313 1.99 q.s.

Ca 379 0.14 0.0367 0.0156 1.99 q.s.

Ca 380 0.14 0.0184 0.0078 2.00 q.s.

Ca 381 0.08 7.0500 3.0000 0.66 q.s.

Ca 382 0.18 3.5250 1.5000 1.33 q.s.

Ca 383 0.24 1.7625 0.7500 1.67 q.s.

Ca 384 0.19 0.8813 0.3750 1.83 q.s.

Ca 385 0.18 0.4406 0.1875 1.92 q.s.

Ca 386 0.16 0.2203 0.0938 1.96 q.s.

Ca 387 0.15 0.1102 0.0469 1.98 q.s.

Ca 388 0.14 0.0551 0.0234 1.99 q.s.

Ca 389 0.14 0.0275 0.0117 1.99 q.s.

Ca 390 0.14 0.0138 0.0059 2.00 q.s.

Ea 391 0.06 4.0000 9.4000 0.21 q.s.

Ea 392 0.12 2.0000 4.7000 1.11 q.s.

Ca 393 0.56 1,0000 2,3500 1.55 q.s.

Ca 394 0.57 0.5000 1.1750 1.78 q.s.

Ca 395 0.36 0.255 0.5875 1.89 q.s.

Ca 396 0.35 0.1250 0.2938 1.94 q.s.

Ca 397 0.24 0.0625 0.1469 1.97 q.s.

Ca 398 0.19 0.0313 0.0734 1.99 q.s.

Ca 399 0.16 0.0156 0.0367 1.99 q.s.

Example Absorbance Cocaine Cocaine Betaine Copolymer Propyl Hydroxy Water of Potassium Sultaine Acrylates Ca 400 0.15 0.0078 0.0184 2.00 q.s.

Ea 401 0.07 3.0000 7.0500 0.66 q.s.

Ea402 0.19 1.5000 3.5250 1.33 q.s.

Ca 403 0.58 0.7500 1.7625 1.67 q.s.

Ca 404 0.62 0.3750 0.8813 1.83 q.s.

Ca 405 0.34 0.1875 0.4406 1.92 q.s.

Ca 406 0.32 0.0938 0.2203 1.96 q.s.

Ca 407 0.25 0.0469 0.1102 1.98 q.s.

Ca 408 0.19 0.0234 0.0551 1.99 q.s.

Ca 409 0.16 0.0117 0.0275 1.99 q.s.

Ca 410 0.15 0.0059 0.0138 2.00 q.s.

Ca 411 0.06 12.1000 1.3000 0.21 q.s.

Ca 412 0.10 6.0500 0.6500 1.11 q.s.

Ca 413 0.16 3.0250 0.3250 1.55 q.s.

Ca 414 0.18 1.5125 0.1625 1.78 q.s.

Ca 415 0.16 0.753 0.0813 1.89 q.s.

Ca 416 0.15 0.3781 0.0406 1.94 q.s.

Ca 417 0.14 0.1891 0.0203 1.97 q.s.

Ca 418 0.14 0.0945 0.0102 1.99!

Ca 419 0.14 0.0473 0.0051 1.99 q.s.

Ca 420 0.14 0.0236 0.0025 2.00 q.s.

Ca 421 0.08 9.0750 0.9750 0.66 q.s.

Ca 422 0.11 4.5375 0.4875 1.33 q.s.

Ca 423 0.17 2.2688 0.2438 1.67 q.s.

Ca 424 0.17 1.1344 0.1219 1.83 q.s.

Ca 425 0.15 0.5672 0.0609 1.92 q.s.

Ca 426 0.15 0.2836 0.0305 1.96 q.s.

Ca 427 0.14 0.1418 0.0152 1.98 q.s.

Ca 428 0.14 0.0709 0.0076 1.99 q.s.

Example Absorbance Cocaine Cocaine Betaine Copolymer Propyl Hydroxy Water of Potassium Sultaine Acrylates Ca 429 0.14 0.0354 0.0038 1.99 q.s.

Ca 430 0.14 0.0177 0.0019 2.00 q.s.

Example 16 Examples (Ea) and Comparative (Ca) 431 - 510: Preparation of Cleaning Compositions The Example or Comparative cleaning compositions 431 -510 were prepared according to the materials and proportions mentioned in the Table and under the Procedure of Cleaning Mix detailed above and throughout at a pH of 5.5. The associated absorbance for each example as determined by the absorbance test is also shown.

Example Absorbance Lauro coco betaine Water Copolymer Potassium Sodium Acrylate Amphoacetate Ea 431 0.05 1.3000 12.1000 0.21 q.s.

Ea 432 0.11 0.6500 6.0500 1.11 q.s.

Ca 433 0.53 0.3250 3.0250 1.55 q.s.

Ca 434 0.84 0.1625 1.5125 1.78 q.s.

Ca 435 0.50 0.0813 0.7563 1.89 q.s.

Ca 436 0.63 0.0406 0.3781 1.94 q.s.

Ca 437 0.41 0.0203 0.1891 1.97 q.s.

Ca 438 0.28 0.0102 0.0945 1.99 q.s.

Ca 439 0.20 0.0051 0.0473 1.99 q.s.

Ca 440 0.17 0.0025 0.0236 2.00 q.s.

Ea 441 0.08 0.9750 9.0750 0.66 q.s.

Ea 442 0.15 0.4875 4.5375 1.33 q.s.

Ca 443 0.60 0.2438 2.2688 1.67 q.s.

Ca 444 0.65 0.1219 1.1344 1.83 q.s.

Ca 445 0.64 0.0609 0.5672 1.92 q.s.

Example Absorbance Lauro coco betaine Water Copolymer Sodium Acrylates Amphoacetate Potassium Ca 446 0.53 0.0305 0.2836 1.96 q.s.

Ca 447 0.36 0.0152 0.1418 1.98 q.s.

Ca 448 0.24 0.0076 0.0709 1.99 q.s.

Ca 449 0.19 0.0038 0.0354 1.99 q.s.

Ca 450 0.17 0.0019 0.0177 2.00 q.s.

Ea 451 0.07 9.4000 4.0000 0.21 q.s.

Ca 452 0.14 4.7000 2.0000 1.11 q.s.

Ca 453 0.18 2.3500 1.0000 1.55 q.s.

Ca 454 0.20 1.1750 0.5000 1.78 q.s.

Ca 455 0.18 0.5875 0.200 1.89 q.s.

Ca 456 0.17 0.2938 0.1250 1.94 q.s.

Ca 457 0.16 0.1469 0.0625 1.97 q.s.

Ca 458 0.15 0.0734 0.0313 1.99 q.s.

Ca 459 0.14 0.0367 0.0156 1.99 q.s.

Ca 460 0.14 0.0184 0.0078 2.00 q.s.

Ca 461 0.09 7.0500 3.0000 0.66 q.s.

Ca 462 0.35 3.5250 1.5000 1.33 q.s.

Ca 463 0.20 1.7625 0.7500 1.67 q.s.

Ca 464 0.19 0.8813 0.3750 1.83 q.s.

Ca 465 0.18 0.4406 0.1875 1.92 q.s.

Ca 466 0.16 0.2203 0.0938 1.96 q.s.

Ca 467 0.16 0.1102 0.0469 1.98 q.s.

Ca 468 0.16 0.0551 0.0234 1.99 q.s.

Ca 469 0.14 0.0275 0.0117 1.99 q.s.

Ca 470 0.14 0.0138 0.0059 2.00 q.s.

Ea 471 0.05 4.0000 9.4000 0.21 q.s.

Ea 472 0.12 2.0000 4.7000 1.11 q.s.

Ca 473 0.44 1.0000 2.3500 1.55 q.s.

Ca 474 0.55 0.5000 1.1750 1.78 q.s.

Example Absorbance Lauro coco betaine Water Copolymer Sodium Acrylates Amphoacetate Potassium Ca 475 0.41 0.200 0.5875 1.89 q.s.

Ca 476 0.43 0.1250 0.2938 1.94 q.s.

Ca 477 0.33 0.0625 0.1469 1.97 q.s.

Ca 478 0.24 0.0313 0.0734 1.99 q.s.

Ca 479 0.19 0.0156 0.0367 1.99 q.s.

Ca 480 0.16 0.0078 0.0184 2.00 q.s. i Ea 481 0.08 3.0000 7.0500 0.66 q.s.

Ea 482 0.18 1.5000 3.5250 1.33 q.s.

Ca 483 0.47 0.7500 1.7625 1.67 q.s.

Ca 484 0.47 0.3750 0.8813 1.83 q.s.

Ca 485 0.43 0.1875 0.4406 1.92 q.s.

Ca 486 0.39 0.0938 0.2203 1.96 q.s.

Ca 487 0.27 0.0469 0.1102 1.98 q.s.

Ca 488 0.21 0.0234 0.0551 1.99 q.s.

Ca 489 0.17 0.0117 0.0275 1.99 q.s.

Ca 490 0.15 0.0059 0.0138 2.00 q.s.

Ca 491 0.06 12.1000 1.3000 0.21 q.s.

Ca 492 0.17 6.0500 0.6500 1.11 q.s.

Ca 493 0.18 3.0250 0.3250 1.55 q.s.

Ca 494 0.17 1.5125 0.1625 1.78 q.s.

Ca 495 0.16 0.7563 0.0813 1.89 q.s.

Ca 496 0.15 0.3781 0.0406 1.94 q.s.

Ca 497 0.15 0.1891 0.0203 1.97 q.s.

Ca 498 0.14 0.0945 0.0102 1.99 q.s.

Ca 499 0.14 0.0473 0.0051 1.99 q.s.

Ca 500 0.13 0.0236 0.0025 2.00 q.s.

Ca 501 0.10 9.0750 0.9750 0.66 q.s.

Ca 502 0.16 4.5375 0.4875 1.33 q.s.

Ca 503 0.19 2.2688 0.2438 1.67 q.s.

Example Absorbance Lauro coco betaine Water Copolymer Potassium Sodium Acrylates Amphoacetate Ca 504 0.17 1.1344 0.1219 1.83 q.s.

Ca 505 0.15 0.5672 0.0609 1.92 q.s.

Ca 506 0.15 0.2836 0.0305 1.96 q.s.

Ca 507 0.14 0.1418 0.0152 1.98 q.s.

Ca 508 0.14 0.0709 0.0076 1.99 q.s.

Ca 509 0.14 0.0354 0.0038 1.99 q.s.

Ca 510 0.13 0.0177 0.0019 2.00 q.s.

While it is often desirable to achieve a clear cleaning formula, it is almost always necessary for the cleaning formulas to be stable, i.e. not to be macroscopically phased.

Certain combinations of anionic surfactants and polymers can lead to a very cloudy state or even unstable solutions.

In aqueous solutions, hydrophobic polymers can interact with surfactants and form larger complexes, which are a form of microscopic phase separation. Large enough, these larger complexes scatter light and create fuzzy or unclear formulas. As these complexes get larger and larger, the cleaner becomes less clear and possibly has macroscopic phase separation. The above examples show the clarity resulting from a series of different cleaning formulas that cover a range of: amphoteric surfactant types (CAPB, SLAC, BC, COHS), surfactant concentrations and hydrophobically-modified polymer concentrations. We have surprisingly found that clear or reasonably clear and stable cleaning formulas can be made at low pH, but with only certain combinations. High concentrations of hydrophobically-modified polymer lead to cloudy or unstable cleaning formulas.

Claims (4)

1. A clear skin cleansing composition comprising: (a) water; (b) a low molecular weight, non-crosslinked linear acrylic copolymer in an amount comprising from 0.03% by weight to 2.1% by weight of the skin cleansing composition, the copolymer being derived from at least one first monomeric component selected from the group consisting of (meth) acrylic acid and at least one second monomeric component selected from the group consisting of one or more C1 to Cg alkyl (meth) acrylates and having a number average molecular weight of 100,000 or less; (c) a surfactant component comprising a surfactant selected from the group consisting of, a blend of at least two amphoteric surfactants selected from the group consisting of: an ampholytic synthetic surfactant comprising an aliphatic amine derivative having from 8 to 18 carbon atoms and an anionic water solubilizing group and zwitterionic surfactants comprising internally neutralized derivatives of aliphatic quaternary ammonium, tertiary sulfonium and phosphonium compounds, wherein the aliphatic radical is a straight or branched chain and one of the aliphatic substituents has of 8 to 18 carbon atoms and one of the aliphatic substituents contains an anionic water solubilizing group, wherein said skin cleansing composition has a pH of less than 6 and is substantially free of anionic surfactant and cocobetaine, said surfactant. which is present at a concentration between 0.0015 and 15% by weight of the composition for skin cleansing and the total surfactant charge of such a composition is 2 to 9% by weight; said skin cleansing composition having an absorbance less than 0.22 as determined by the Clarity Absorbance Test. A clear skin cleansing composition according to claim 1, characterized in that said surfactant is selected from the group consisting of sodium laurophoacetate, propyl betaine cocamide and propyl hydroxy sultaine cocamido. 3. A clear skin cleansing composition comprising: (a) water; (b) a low molecular weight non-crosslinked linear acrylic copolymer in an amount comprising from 0.03% by weight to 1.6% by weight of the skin cleansing composition, the copolymer being derived from at least one first monomeric component selected from the group consisting of (meth) acrylic acid and at least one second monomeric component selected from the group consisting of one or more C1 to Cg alkyl (meth) acrylates and having a number average molecular weight of 100,000 or less; (c) at least two amphoteric surfactants selected from the group consisting of: an ampholytic synthetic surfactant comprising an aliphatic amine derivative having from 8 to 18 carbon atoms and an anionic water solubilizing group and zwitterionic surfactants comprising neutralized derivatives aliphatic quaternary ammonium, tertiary sulfonium and phosphonium compounds, wherein the aliphatic radical is a straight or branched chain and one of the aliphatic substituents has from 8 to 18 carbon atoms and one of the aliphatic substituents contains a group. solubilizer in anionic water; one of such amphoteric surfactants comprising cocaine betaine in a concentration of less than 0.065 wt% or greater than 3.5 wt%; said remaining amphoteric surfactant present at a concentration of from 0.0015 to 15% by weight of the skin cleansing composition and the total surfactant charge of such composition is from 2 to 9% by weight; said skin cleansing composition having a pH less than 6 and being substantially free of anionic surfactant, said skin cleansing composition having an absorbance less than 0.22, as determined by the Clarity Absorbance Test. A clear skin cleansing composition according to claim 3, characterized in that said surfactant component further comprises an amphoteric surfactant selected from the group consisting of sodium laurophoacetate, propyl betaine cocamide and propyl hydroxy sultaine cocamide.