Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/73—Polysaccharides
  • A61K8/737—Galactomannans, e.g. guar; Derivatives thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/34—Alcohols
  • A61K8/342—Alcohols having more than seven atoms in an unbroken chain
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
  • A61K8/36—Carboxylic acids; Salts or anhydrides thereof
  • A61K8/361—Carboxylic acids having more than seven carbon atoms in an unbroken chain; Salts or anhydrides thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
  • A61K8/40—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing nitrogen
  • A61K8/44—Aminocarboxylic acids or derivatives thereof, e.g. aminocarboxylic acids containing sulfur; Salts; Esters or N-acylated derivatives thereof
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q5/00—Preparations for care of the hair
  • A61Q5/12—Preparations containing hair conditioners
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
  • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
  • A61K2800/54—Polymers characterized by specific structures/properties
  • A61K2800/542—Polymers characterized by specific structures/properties characterized by the charge
  • A61K2800/5426—Polymers characterized by specific structures/properties characterized by the charge cationic

Definitions

• the present invention concerns a hair conditioning composition
• a hair conditioning composition comprising at least a fatty amphoteric surfactant, a fatty carboxylic acid and/or a fatty alcohol; and a cationic polysaccharide or cationic polysaccharide derivative, which can provide a good pearlescent effect and hair conditioning effect.
• Hair conditioners deliver a number of desirable characteristics to hair upon treatment, including an improved wet or dry feel and a perception of softness.
• it is essential to provide consumer-desirable product aesthetics, for example not only an appealing neat product odor and a pleasant product color, but especially an appropriate product rheology and satisfactory physical product stability.
• General hair conditioner systems are based on quaternary ammonium compounds, also named as quats, notably cetrimonium chloride, behentrimonium chloride, N,N-bis(stearoyl-oxy-ethyl) N,N-dimethyl ammonium chloride, N,N-bis(tallowoyl-oxy-ethyl) N,N-dimethyl ammonium chloride, N,N-bis(stearoyl-oxy-ethyl) N-(2-hydroxyethyl) N- methyl ammonium methylsulfate or l,2-di(stearoyl-oxy)-3-trimethyl ammoniumpropane chloride.
• quats notably cetrimonium chloride, behentrimonium chloride, N,N-bis(stearoyl-oxy-ethyl) N,N-dimethyl ammonium chloride, N,N-bis(tallowoyl-oxy-ethyl) N,N-dimethyl ammoni
• the present invention is based on the surprising discovery that it is possible to obtain a stable hair conditioner composition with a shiny pearlescent effect as well that performs well on hair fibers, which comprises at least a fatty amphoteric surfactant, a fatty carboxylic acid and/or a fatty alcohol, and a cationic polysaccharide or cationic polysaccharide derivative; notably without the drawbacks generally associated with the use of quat materials.
• CCTAC cetrimonium chloride
• BTAC behentrimonium chloride
• TEP di(palmiticcarboxyethyl) hydroxyethyl methyl ammonium methylsulfate
• DHT dimethyl di(hydrogenated tallow) ammonium chloride
• Hair conditioning compositions of the present invention provide several benefits including include soft hair feel (wet and dry), ease of hair combing (wet and dry), hair detangling benefits (wet and dry), anti-static benefits, and hair manageability benefits. These compounds also provide the advantages to be more stable over time and different pH range, and provide a good compatibility with all other surfactants system.
• the present invention concerns then a hair conditioning and pearlescent composition
• a hair conditioning and pearlescent composition comprising at least:
• composition comprises less than 0.5 wt % of quaternary ammonium salts, except compounds a), b) and c).
• present invention also concerns a hair conditioning and pearlescent composition comprising at least:
• composition comprises less than 0.5 wt % of quaternary ammonium salts, except compounds a), b) and c).
• the present invention also concerns a hair conditioning and pearlescent composition
• a hair conditioning and pearlescent composition comprising at least:
• composition comprises less than 0.5 wt % of quaternary ammonium salts, except compounds a), b) and c); said composition is substantially free or completely free of anionic agent.
• the present invention also concerns a hair conditioning and pearlescent system consisting of:
• a cationic polysaccharide or cationic polysaccharide derivative is comprised between 3: 1 and 50: 1.
• the present invention also concerns a hair conditioning and pearlescent system consisting of:
• the present invention also concerns a method for treating a hair in which said hair conditioning and pearlescent composition or said hair conditioning and pearlescent system is used.
• the present invention furthermore concerns the use of compounds a), b) and c) to improve the pearlescent effect of a hair conditioning composition.
• “Pearlescent” or “nacreous” as used herein means an effect having a pearly luster or gloss and notably providing an iridescent luster resembling that of pearl or mother-of-pearl.
• conditioning is to be understood for purposes of this invention as the brightening treatment of hairs. Conditioning imparts positive properties to the hair, for example improved softness, enhanced shine and color brilliance, a fresh scent, and a decrease in creasing and static charge.
• Alkyl as used herein means a straight chain or branched saturated aliphatic hydrocarbon group.
• Alkenyl refers to an aliphatic group containing at least one double bond and is intended to include both “unsubstituted alkenyls” and “substituted alkenyls”, the latter of which refers to alkenyl moieties having substituents replacing a hydrogen on one or more carbon atoms of the alkenyl group.
• amphoteric surfactants or zwitterionic surfactants are well- known to the person skilled in the art. It refers to surfactants which, depending on the pH, have anionic and/or cationic properties. They also have an isoelectric point at which they possess a zwitterionic character. In particular, the term refers to compounds having an N + function in combination with an O " , C(0)OH, C(0)0 " , S0 3 H or S0 3 " function and to compounds having an N function in combination with a C(0)OH, C(0)0 " , S0 3 H or S0 3 " function.
• amphoteric surfactants 2 nd ed., E. G. Lomax, Ed., 1996, Marcel Dekker.
• This class of surfactants includes betaines, e.g., fatty alkyl betaines, fatty alkylamido betaines, sulfobetaines, hydroxysulfobetaines, and betaines derived from imidazolines; amine oxides, e.g., fatty alkylamine oxides and fatty alkylamido amine oxides; amphoglycinates and amphopropionates; and so-called "balanced" amphopoly- carboxyglycinates and amphopolycarboxypropionates.
• Amphoteric surfactants are exemplified by those which can be broadly described as derivatives of aliphatic quaternary ammonium, phosphonium, and sulfonium compounds, in which the aliphatic radicals can be straight or branched chain, and wherein one of the aliphatic substituents contains a Ci 2 -C 2 2-alkyl or Ci 2 -C 22 -alkenyl group, preferably, a Ci 6 -C 20 -alkyl or C 16 - C 2 o-alkenyl group.
• amphoteric surfactants of the present invention are chosen in the group consisting of: betaine, amine oxide, amphoglycinate and amphopropionate .
• Betaines are a class of amphoteric surfactants which include compounds having the structures:
• R 1 is a C 1 -C5 group which is optionally hydroxylated, such as a methyl, ethyl, hydroxyethyl, or hydroxypropyl group
• R is Ci 2 -C 22 -alkyl or Ci 2 -C 22 -alkenyl group
• R is independently selected from a Ci-C 5 group
• C 1 -C5 group may be an alkyl or alkenyl group.
• R is Ci 6 -C 2 o-alkyl or Ci 6 -C 20 -alkenyl.
• R is independently selected from a C 1 -C5 group or Ci 6 -C 20 - alkyl or Ci 6 -C 2 o-alkenyl group.
• betaine also include sulfobetaines and hydroxysulfobetaines which have structures according to (I) and (II),
• Amine oxides are a class of amphoteric surfactants which include compounds having the structure: R ⁇ R ⁇ -O (III)
• R , R , and R and x have the meaning described above.
• R 2 C(0)N(R 4 )(CH 2 )x N(R 5 )(CH 2 ) Z C(0)0 Y + (VI) wherein R 2 and x have the meaning described above, R 4 is hydrogen or a Ci-C 5 group which is optionally hydroxylated, R 5 is a C 1 -C5 group which is optionally hydroxylated or a (CH 2 ) Z C(0)0 " group, z is 1 -4, and Y + is a cation, such as a proton or a sodium ion.
• amphoteric surfactant of the present invention is a compound of formula (VII):
• R is Ci 6 -C 22 -alkyl, such as Ci 6 -alkyl, Ci 8 -alkyl, C 20 -alkyl and C 22 -alkyl.
• R may also be Ci 6 -C 22 -alkenyl, such as Ci 6 -alkenyl, Cig-alkenyl, C 20 -alkenyl and C 22 -alkenyl.
• R is Ci 6 -C 20 -alkyl, such as Ci 6 -alkyl, Ci 8 -alkyl, and C 20 - alkyl or Ci 6 -C 20 -alkenyl, such as Ci 6 -alkenyl, Qg-alkenyl and C 20 -alkenyl.
• the compound of formula (VII) is chosen in the group constituted of: cetyl betaine, palmityl betaine, stearyl betaine and oleyl betaine. More preferably, the compound of formula (VII) is cetyl betaine.
• composition of the present invention may comprise an alcohol compound carrying a Cio-C 22 -alkyl or Cio-C 22 -alkenyl and/or a carboxylic acid compound carrying a Cio-C 2 2-alkyl or Cio-C 22 - alkenyl.
• Cio-C 22 -alkyl or Cio-C 22 -alkenyl carboxylic acids are chosen in the group consisting of: capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid and behenic acid.
• the Ci 0 -C 22 -alkyl or Ci 0 -C 22 -alkenyl alcohols are chosen in the group consisting of: capryl alcohol, lauryl alcohol, myrityl alcohol, palmityl alcohol, stearyl alcohol, arachidyl alcohol and behenyl alcohol.
• Weight ratio of compound a) to compound b) may be comprised between 1 :2 and 20 : 1 , notably between 1 : 1 and 10: 1 , notably between 1 : 1 and 5 : 1.
• the composition also comprises at least a cationic polysaccharide or a cationic polysaccharide derivative (also referred to as "compound c)").
• Compound c) is preferably chosen in the group consisting of: cationic guar, cationic cellulose, cationic callose, cationic xylan, cationic mannan, cationic galactomannan, and derivatives thereof.
• Guars are polysaccharides composed of the sugars galactose and mannose.
• the backbone is a linear chain of ⁇ 1 ,4-linked mannose residues to which galactose residues are 1 ,6-linked at every second mannose, forming short side -branches.
• Cationic polysaccharides may include cationic polysaccharides that may be obtained by the use of different possible cationic etherifying agents, such as for example the family of quaternary ammonium salts.
• the cationic group may be then a quaternary ammonium group bearing 3 radicals, which may be identical or different, preferably chosen from hydrogen, alkyl, hydroxyalkyl, epoxyalkyl, alkenyl, or aryl, preferably containing 1 to 22 carbon atoms, more particularly 1 to 14 and advantageously 1 to 3 carbon atoms.
• the counterion is generally a halogen, which is one embodiment is chlorine.
• Quaternary ammonium salts may be for example: 3-chloro-2- hydroxypropyl trimethyl ammonium chloride (CHPTMAC), 2,3- epoxypropyl trimethyl ammonium chloride (EPTAC), diallyldimethyl ammonium chloride (DMDAAC), vinylbenzene trimethyl ammonium chloride, trimethylammonium ethyl metacrylate chloride, methacrylamidopropyltrimethyl ammonium chloride (MAPTAC), and tetraalkylammonium chloride.
• CHPTMAC 3-chloro-2- hydroxypropyl trimethyl ammonium chloride
• EPTAC 2,3- epoxypropyl trimethyl ammonium chloride
• DMDAAC diallyldimethyl ammonium chloride
• vinylbenzene trimethyl ammonium chloride trimethylammonium ethyl metacrylate chloride
• METAC methacrylamidopropyltrimethyl ammonium chloride
• a typical cationic functional group in these cationic polysaccharides is trimethylamino(2-hydroxyl)propyl, with a counter ion.
• Various counter ions can be utilized, including but not limited to halides, such as chloride, fluoride, bromide, and iodide, sulfate, methylsulfate, and mixtures thereof.
• Cationic guars of the present invention may be chosen in the group consisting of: cationic hydroxyalkyl guars, such as cationic hydroxyethyl guar (HE guar), cationic hydroxypropyl guar (HP guar), cationic hydroxybutyl guar (HB guar), and
• cationic carboxylalkyl guars including cationic carboxymethyl guar (CM guar), cationic alkylcarboxy guars such as cationic carboxylpropyl guar (CP guar) and cationic carboxybutyl guar (CB guar), carboxymethylhydroxypropyl guar (CMHP guar).
• CM guar cationic carboxymethyl guar
• CP guar cationic carboxylpropyl guar
• CB guar cationic carboxybutyl guar
• CMHP guar carboxymethylhydroxypropyl guar
• cationic guars of the invention are guars hydroxypropyltrimonium chloride or hydroxypropyl guar hydro xypropyltrimonium chloride.
• the degree of hydroxyalkylation (molar substitution or MS) of cationic guars that is the number of alkylene oxide molecules consumed by the number of free hydroxyl functions present on the guar, may be comprised between 0 and 3, preferably between 0 and 1.7.
• a MS of 1 may represent one ethylene oxide unit per monosaccharide unit.
• the Degree of Substitution (DS) of cationic guars that is the average number of hydroxyl groups that have been substituted by a cationic group per hydroxyl group per sugar, may be comprised between 0.005 and 1 , preferably between 0.01 and 1.
• DS may notably represent the number of the carboxymethyl groups per monosaccharide unit. DS may notably be determined by titration.
• the Charge Density (CD) of cationic guars may be comprised between 0.1 and 2 meq/g, preferably between 0.4 and 1 meq/g.
• the charge density refers to the ratio of the number of positive charges on a monomeric unit of which a polymer is comprised to the molecular weight of said monomeric unit. The charge density multiplied by the polymer molecular weight determines the number of positively charged sites on a given polymer chain.
• the cationic polysaccharides may have an average Molecular Weight (Mw) of between about 100,000 daltons and 3,500,000 daltons, preferably between about 500,000 daltons and 3,500,000 daltons.
• Weight ratio of compound a) to compound c) may be comprised between 3: 1 and 50: 1 , preferably between 5: 1 and 40: 1, more preferably between 10: 1 and 30: 1.
• Composition of the present invention may comprise between 0.1 and 1 % by weight of compound c), in relation with the total weight of the composition.
• the softening composition is substantially free or completely free of anionic agent. Addition of anionic agent(s) may lead to foam forming which is not desired for the present invention, and may negatively affect the conditioning performance of the composition.
• substantially free when used with reference to the absence of anionic agent in the composition of the present invention, means that the composition comprises less than 0.1 wt % of the anionic agent, more preferably less than 0.01 wt % of the anionic agent, based on the total weight of the composition.
• the term “completely free” when used with reference to the absence of the anionic agent i.e.
• composition of the present invention means that the composition comprises no anionic agent at all.
• the composition of the present invention may notably comprise at least: a) 1 -10 % wt of an amphoteric surfactant of formula (VII);
• composition of the present invention may notably comprise at least:
• Cio-C 22 -alkenyl weight ratio of compound a) to compound b) is comprised between 1 :2 and 20: 1 ;
• composition of the present invention consists of: a) 1-10 % wt of an amphoteric surfactant of formula (VII);
• Cio-C 22 -alkenyl weight ratio of compound a) to compound b) is comprised between 1 :2 and 20:1 ;
• a hair conditioning and pearlescent system consisting of:
• a cationic polysaccharide or cationic polysaccharide derivative is comprised between 3: 1 and 50: 1.
• a hair conditioning and pearlescent system consisting of:
• a cationic polysaccharide or cationic polysaccharide derivative is comprised between 3: 1 and 50: 1.
• the hair conditioning and pearlescent system is preferably mixed with a suitable liquid carrier which may be selected from water, organic solvents and mixtures thereof.
• a suitable liquid carrier which may be selected from water, organic solvents and mixtures thereof.
• the neat pH measured at 20°C, may be in the range of from 3 to 8.
• the pH of these compositions herein can be regulated by the addition of acids such as Bronsted or Lewis ones.
• suitable acids include the inorganic mineral acids, carboxylic acids, in particular the low molecular weight (Ci-C 5 )- carboxylic acids, and alkylsulfonic acids.
• suitable inorganic acids include HC1, H 2 S0 , FfN0 3 and H 3 P0 .
• Suitable organic acids include formic, acetic, citric, methylsulfonic and ethylsulfonic acid.
• Preferred acids are citric, hydrochloric, phosphoric, formic, methylsulfonic acid, and benzoic acids. Especially preferred is citric acid.
• compositions of the present invention may be manufactured using conventional formulation and mixing techniques. It is notably possible to simultaneously or sequentially blend components a), b) and/or c). In one procedure for manufacture, components a), b) and c) are premixed prior to the addition of the remaining components.
• compositions may notably be obtained as follows: Mix component a), b) and c) into water till it is homogeneous Heat the above mixture to 80°C under stirring
• compositions are obtained as follows:
• compositions of the present invention may also comprise other components such as organic or inorganic thickeners such as hydroxyethyl cellulose, opacifying agents such as for example ethyleneglycol distearate, water-insoluble skin benefit agents, exfoliating particles, preservatives, antimicrobials, bactericides, antioxydants such as butylated hydroxytoluene, humectants, fragrances, colouring agents, cosmetic fillers, herb and plant extracts, and sequestering agents such as for example sodium salt of the ethylenediaminetetraacetic acid.
• organic or inorganic thickeners such as hydroxyethyl cellulose
• opacifying agents such as for example ethyleneglycol distearate
• water-insoluble skin benefit agents such as for example ethyleneglycol distearate
• water-insoluble skin benefit agents such as for example ethyleneglycol distearate
• water-insoluble skin benefit agents such as for example ethyleneglycol distearate
• the humectants in the composition may be selected from glycerine, diols, triols and polyols.
• the composition may comprise from 0 to 10 % by weight of humectants, based on the total weight of the composition.
• the composition of the present invention is substantially free or, in some cases, completely free of any quaternary ammonium salts except the compounds of a), b) and c).
• Quaternary means that the ammonium (N) has four chemical groups attached, such as alkyl or alkenyl groups.
• the term “substantially free” when used with reference to the absence of quaternary ammonium salts in the medium of the present invention means that the composition comprises less than 0.1 wt %, preferably less than 0.01 wt %, based on the total weight of the composition.
• the term “completely free” when used with reference to the absence of quaternary ammonium salts in the composition means that the composition comprises no quaternary ammonium salts at all.
• CCTAC cetrimonium chloride
• BTAC behentrimonium chloride
• TEP di(palmiticcarboxyethyl) hydroxyethyl methyl ammonium methylsulfate
• DHT dimethyl di(hydrogenated tallow) ammonium chloride
• composition of the present invention preferably comprises less than 1 wt % of pearlescent agent except the compounds of a), b) and c).
• the composition of the present invention is substantially free or, in some cases, completely free of any pearlescent agent except the compounds of a), b) and c).
• the term “substantially free” when used with reference to the absence of pearlescent agent in the medium of the present invention means that the composition comprises less than 0.5 wt %, preferably less than 0.1 wt %, based on the total weight of the composition.
• the term “completely free” when used with reference to the absence of pearlescent agent in the composition means that the composition comprises no pearlescent agent at all.
• compositions according to the present invention may take a variety of physical forms including liquid, liquid-gel, paste-like, foam in either aqueous or non-aqueous form, powder, granular and tablet forms.
• a preferred form of the composition is a liquid form, and in the form of an aqueous dispersion in water.
• the composition may also be dispensed with dispensing means such as a sprayer or aerosol dispenser.
• dispensing means such as a sprayer or aerosol dispenser.
• a liquid form such a composition may contain from 0.1% to 20% by weight of compounds a), b) and c).
• the composition will usually also contain water and other additives, which may provide the balance of the composition.
• Suitable liquid carriers are selected from water, organic solvents and mixtures thereof.
• the liquid carrier employed in the instant compositions is preferably at least primarily water due to its low cost, safety, and environmental compatibility. Mixtures of water and organic solvent may be used. Preferred organic solvents are; monohydric alcohol, such as ethanol, propanol, iso-propanol or butanol; dihydric alcohol, such as glycol; trihydric alcohols, such as glycerol, and polyhydric (polyol) alcohols. These compositions of the invention may be formulated for washing skin and/or hair, for example, bath or shower gels, handwashing compositions, facial washing compositions, pre- and post- shaving products, and rinse- off and wipe-off skin care products, and mainly to produce cleansing foam, body shampoo and hair shampoo.
• monohydric alcohol such as ethanol, propanol, iso-propanol or butanol
• dihydric alcohol such as glycol
• trihydric alcohols such as glycerol
• polyhydric (polyol) alcohols polyhydric (
• compositions of the invention are used in a manner known for leave-in and wash-out conditioners. Namely, the hair is wet and then conditioner or conditioning shampoo is applied to the hair. If the conditioner is a leave-in conditioner, it can be applied to wet or dry hair. If applied to dry hair, then water is added after such application. If the conditioner is a wash-out conditioner, the hair is the rinsed after application.
• the present invention also provides methods for conditioning hair.
• the present compositions are used in conventional ways to provide the optimized hair conditioning benefits of the present invention. Such methods generally involve application of an effective amount of the conditioning composition to the hair, which is massaged through and then rinsed from the hair.
• effective amount is meant an amount sufficient to provide the desired conditioning benefits considering the length, texture and condition of the hair.
• the present invention also provides methods for conditioning hair comprising the step of contacting the hair with an aqueous medium comprising the hair conditioning and pearlescent system as described above.
• the hair conditioning compositions provide optimized hair conditioning benefits, such as soft wet and dry hair feel, ease of wet and dry hair combing and hair detangling, increased hair manageability, and anti-static benefits.
• the present invention also provides the use of the hair conditioning and pearlescent composition described above for improving the pearlescent appearance of the hairs.
• PA palmityl alcohol
• EGDS ethylene glycol di stearate
• Guar 1 guar hydroxypropyltrimonium chloride with a Mw of 2 M, a degree of substitution (DS) of 0.10-0.13 and a charge density of 0.6-0.7 meq/g
• All of the formulations comprise 0.4 % by weight of fragrances and preservatives.
• Standard rinsing apparatus tray filled with running water (temp ⁇ 25 - 40°C; flow-rate ⁇ 1.8L/min)
• Total Work Reduction (Treated Dry - Untreated Dry)/ Untreated Dry %

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• 2014
  • 2014-11-20 EP EP14805212.9A patent/EP3071298A2/de not_active Withdrawn

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