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WO1996015760A1 - Composition cosmetique en baton - Google Patents

Composition cosmetique en baton Download PDF

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Publication number
WO1996015760A1
WO1996015760A1 PCT/US1995/013815 US9513815W WO9615760A1 WO 1996015760 A1 WO1996015760 A1 WO 1996015760A1 US 9513815 W US9513815 W US 9513815W WO 9615760 A1 WO9615760 A1 WO 9615760A1
Authority
WO
WIPO (PCT)
Prior art keywords
cosmetic composition
composition according
weight
wax
average value
Prior art date
Application number
PCT/US1995/013815
Other languages
English (en)
Inventor
Gillian Scott Briggs
Karen Fish
Delyth Myfanwy Jenkins
Peter James Malton
Original Assignee
The Procter & Gamble Company
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by The Procter & Gamble Company filed Critical The Procter & Gamble Company
Publication of WO1996015760A1 publication Critical patent/WO1996015760A1/fr

Links

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
    • A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
    • A61K8/67—Vitamins
    • A61K8/671—Vitamin A; Derivatives thereof, e.g. ester of vitamin A acid, ester of retinol, retinol, retinal
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00—Cosmetics or similar toiletry preparations
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/0216—Solid or semisolid forms
    • A61K8/0229—Sticks
    • 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
    • A61K8/368—Carboxylic acids; Salts or anhydrides thereof with carboxyl groups directly bound to carbon atoms of aromatic rings
    • 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
    • A61K8/90—Block copolymers
    • 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
    • A61K8/92—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof
    • A61K8/922—Oils, fats or waxes; Derivatives thereof, e.g. hydrogenation products thereof of vegetable origin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q19/00—Preparations for care of the skin

Definitions

  • the present invention relates to cosmetic compositions in stick form.
  • the present invention relates to cosmetic compositions in stick form which provide good application characteristics and/or anti-acne efficacy.
  • Cosmetic compositions in the form of sticks such as concealers and lipsticks are well known in the cosmetic art. However many of these products have not always been successfiil from the viewpoint of skin feel, spreadability and application.
  • ком ⁇ онент having prolonged topical anti-acne and/or anti-bacterial activity.
  • anti-acne and/or anti-bacterial properties There are many compounds which are known to exhibit anti-acne and/or anti-bacterial properties when applied topically to the skin.
  • a commonly used keratolytic agent having anti-acne activity is salicylic acid.
  • Zinc oxide is also known for use in cosmetic compositions.
  • Castor oil is a major ingredient of many lipstick and concealer formulations. It can generally comprise up to 40% of lipsticks. The high percentage of castor oil is primarily due to its unique properties as a wetting agent for pigments. Monodispersions of pigments are commonly made in slurries comprising from about 30% to about 40% pigments and from about 60% to about 70% castor oil. However the presence of castor oil in such compositions can lead to "sweating". In addition, compositions which are greasy can often aggravate the skin and lead to blocked pores and spots. Therefore it would be desirable to provide a cosmetic stick composition which does not contain castor oil or other animal or vegetable oil components which are liquid under ambient conditions (25 °C), the effect of which is to cause the composition to be greasy. It is accordingly a primary object of this invention to provide a cosmetic composition in the form of a stick having improved anti-acne activity.
  • a cosmetic composition in the form of a non-oily solid stick comprising:
  • x has a value of from about 1 to about 1000
  • y has a value of from about 0 to 1000
  • R is selected from C4-C50 alkyl.
  • x has an average value of from about 1 to about 130
  • y has an average value of from about 10 to about 75
  • z has an average value of from about 1 to about 130
  • anti-acne active is pre-solubilised in the polyoxyethylene- polyoxypropylene block copolymer.
  • a cosmetic composition in the form of a non-oily solid stick comprising:
  • compositions of the present invention provide improved anti-acne activity, skin feel, spreadability and application characteristics.
  • the cosmetic composition according to one aspect of the present invention comprises wax, branched chain hydrocarbon and silicone or mixture of silicones.
  • the cosmetic composition is formulated as a stick and is preferably oil-free, ie. contains less than about 5%, more preferably less than about 1% of non- hydrocarbon oils which are liquid under ambient conditions (25°C), especially oils of animal or vegetable origin such as castor oil.
  • a first essential component of the compositions of the invention is a wax.
  • the wax acts as solidifying agent in the composition. It assists in the formation of the solid structure of the stick compsoition.
  • the wax comprises organic compounds or mixtures of high molecular weight substances and is solid at ambient temperature/room temperature.
  • the wax can be a hydrocarbon or ester of a fatty acid or fatty alcohol.
  • Waxes are thermoplastic. Natural, mineral and synthetic waxes can be used herein. As used herein "wax” refers to mixtures as well as a single type of wax.
  • Natural waxes can be of animal origin, e.g. beeswax, spermaceti, lanolin, shellac wax, of vegetable origin, e.g. carnauba, candelilla, bay berry, sugarcane wax, or of mineral origin e.g. ozokerite, ceresin, montan, paraffin, microcrystalline wax, petroleum and petrolatum wax.
  • Synthetic waxes include polyol ether-esters such as carbowax and hydrocarbon-type waxes, silicone waxes and polyethylene wax.
  • the waxes useful herein have melting points from about 55°C to about 110°C and are selected from the Cg to C50 hydrocarbons, alcohols, acids and esters.
  • the preferred waxes for use in the present compositions are selected from candelilla, beeswax, carnauba, spermaceti, montan, ozokerite, ceresin, paraffin, modified beeswax, bayberry, castor waxes, synthetic waxes, microcrystalline waxes and mixtures thereof. More preferably the waxes are selected form microcrystalline, spermaceti, candelilla, modified beeswax, carnauba, ozokerite, paraffin, ceresin, and mixtures thereof.
  • the wax is used herein at a level of from about 5% to about 70%, preferably from about 10% to about 50%, more preferably from about 15% to about 40% by weight.
  • a second essential component according to the first aspect of the present invention is a branched chain hydrocarbon having an weight average molecular weight of from about 100 to about 15,000, preferably from about 100 to 1000.
  • Preferred for use in the compositions herein are branched chain hydrocarbons selected from isododecane, isohexadecane, isoeicosane, isooctahexacontane, isohexapantacontahectane and isopentacontaoctactane, and mixtures thereof, especially isohexadecane and isooctacontane, and mixtures thereof.
  • the branched chain aliphatic hydrocarbon is preferred herein from the viewpoint of providing improved skin adhesion.
  • Suitable for use herein are branched chain aliphatic hydrocarbons sold under the trade name Permethyl (RTM) and commercially available from Presperse Inc., P.O. Box 735, South Plainfield, N. J. O7080, U.S.A. Particularly suitable herein from the viewpoint of improved skin feel, spreadability and application characteristics is a mixture of isohexadecane and isooctahexacontane.
  • RTM Permethyl
  • the branched chain hydrocarbon is used herein at a level of from about 5% to about 40%, preferably from about 10% to about 35% by weight.
  • Another essential component of the first aspect of the invention is a silicone or mixture of silicones, the silicone or silicone mixture comprising an alkylmethylsiloxane polymer having the formula:
  • CD wherein x has a value of from about 1 to about 1000, y has a value of from about 0 to 1000 and R is selected from C4-C50 alkyl.
  • R is a C4 -
  • the silicones are valuable herein from the viewpoint of providing improved spreadability and other application characteristics in oil-free cosmetic stick compositions.
  • stearyl dimethicone is stearyl dimethicone.
  • the silicone or mixture of silicones is used herein in a level of from about 0.01% to about 20%, preferably from about 0.5% to about 10% by weight.
  • compositions herein that the anti-acne active is present in the form of a solution, this being important from the viewpoint of delivery of the active to the skin and for providing improved anti-acne efficacy.
  • Particularly effective solubilizers for use in the cosmetic stick formulae of the invention are the polyoxyethylene-polyoxypropylene copolymers.
  • anti-acne active is pre-solubilised in the polyoxyethylene- polyoxypropylene block copolymer.
  • the polyoxyethylene-polyoxypropylene block copolymer for use herein is selected from those materials conforming to the above general formula II wherein x has an average value of from about 1 to about 20, y has an average value of from about 10 to about 40 and z has an average value of from about 1 to about 20.
  • This material is commercially available under the tradename Pluronic L-62 (CTFA designation: Poloxamer 182) from BASF.
  • Synperonic L-62 from ICI.
  • a cosmetic composition in the form of a non-oily solid stick comprising:
  • the zinc oxide used herein preferably has an average particle size of from about 0.1 microns to about 5 microns, preferably from about 0.5 microns to about 1.5 microns.
  • compositions of the invention can also contain a gelling/thickening agent at a level preferably from about 0.1 % to about 20%, more preferably from about 1% to about 15%, and especially from about 2% to about 10%.
  • Suitable gelling/thickening agents for the compositions of the present invention include magnesium aluminium silicate (Al2MgsSi2), bentonite, hectorite and derivatives thereof.
  • Magnesium aluminium silicate occurs naturally in such smectite materials as colerainite, saponite and sapphire.
  • Refined magnesium aluminium silicate useful herein is available from the R.T. Vanderbilt Company, Inc. under the trade name Veegum (RTM) and from ECC America under the trade name Gelwhite MAS-H (RTM).
  • Modified magnesium aluminium silicate materials such as magnesium aluminium silicate mineral CMC are available from the R.T Vanderbilt Company, Inc. under the trade name Veegum Plus (RTM).
  • This modified clay material contains smectitie clay with sodium carboxy methyl cellulose and titanium dioxide.
  • Bentonite is a native hydrated colloidal aluminium silicate clay available from ECC America under the trade name Bentonite H (RTM) and from Whittaker, Clarck and Daniels under the trade name Mineral Coloid BP 2430 (RTM).
  • Hectorite is one of the montmorillonite minerals that is a principal consitiuent of bentonite clay. Hectorite is available from Rheox Inc. under the trade names Bentone EW (RTM) and Macaloid (RTM).
  • Preferred gelling agents for use herein include those sold under the tradename Bentone, especially Bentone Gel TN.
  • Suitable pigments for use herein can be inorganic and/or organic. Also included within the term pigment are materials having a low colour or lustre such as matte finishing agents, and also light scattering agents. Examples of suitable pigments are iron oxides, acylglutamate iron oxides, ultramarine blue, D&C dyes, carmine, and mixtures thereof.
  • compositions can also include at least one matte finishing agent.
  • the function of the matte finishing agent is to hide skin defects and reduce shine.
  • Such cosmetically acceptable inorganic agents i.e., those included in the CTFA Cosmetic Ingredient Dictionary, Third Ed., as spherical silica, hydrated silica, silicone-treated silica beads, mica, talc, polyethylene, titanium dioxide, bentonite, hectorite, kaolin, chalk, diatomaceous earth, attapulgite and the like may be utilized.
  • a matte finishing agent is low lustre pigment such as titanated mica (mica coated with titanium dioxide) coated with barium sulfate.
  • inorganic components useful as a matte finishing agent low lustre pigment, talc, polyethylene, hydrated silica, kaolin, titanium dioxide and mixtures thereof are particularly preferred.
  • Materials suitable for use herein as light-scattering agents can be generally described as spherical shaped inorganic materials having a particle size of up to about 100 microns, preferably from about 5 to about 50 microns, for example spherical silica particles.
  • the total concentration of the pigment may be from about 0.1 to about 35% by weight and is preferably from about 1 to about 30% by weight of the total composition.
  • the preferred compositions contain from about 2% to about 30% by weight of titanium dioxide and most preferably from about 5% to about 25% by weight of titanium dioxide.
  • composition may also contain additional materials such as, for example, fragrances, fillers such as nylon, sun-screens, preservatives, proteins, antioxidants and chelating agents.
  • additional materials such as, for example, fragrances, fillers such as nylon, sun-screens, preservatives, proteins, antioxidants and chelating agents.
  • UV absorbing agents can be present in a concentration in the range of between about 1 % and about 12% by weight, based on the total weight of composition.
  • the UV absorbing agents constitute between about 2% and 8% by weight. More preferably, the UV absorbing agents can be present in the composition in a concentration range of between about 4% and about 6% by weight.
  • benzophenone-3, octyl dimethyl PABA (Padimate O) and mixtures thereof are particularly preferred.
  • a chelating agent can also be incorporated in the composition.
  • a chelating agent is preferably present in the composition in a concentration in the range of between about 0.02% to about 0.10% by weight, based on the total weight of the composition.
  • the chelating agent is present in a concentration in the range of between about 0.03% and about 0.07% by weight, based on the total weight of the composition.
  • the chelating agents that may be included in the composition trisodium EDTA and tetrasodium EDTA.
  • compositions are one or more preservatives.
  • the preservative concentration in the composition is in the range of between about 0.2% and about 0.8% by weight, preferably between about 0.4% and about 0.6% by weight.
  • Suitable preservatives for use herein include diazolidinyl urea, methyl paraben, ethyl paraben and propyl paraben, and mixtures thereof.
  • compositions herein may also comprise additional anti-bacterial agents such as cetrimonium chloride, cetrimonium bromide, chlorhexidine, triclosan, citricidal, usnic acid and tea tree oil.
  • additional anti-bacterial agents such as cetrimonium chloride, cetrimonium bromide, chlorhexidine, triclosan, citricidal, usnic acid and tea tree oil.
  • compositions herein are preferably substantially free (ie. contain less than about 5%, more preferably less than 1 %) of polar solvents such as water or alcohols.
  • the stick compositions of the invention can be in the form of concealers and lipsticks.
  • Titanium Dioxide to 100 Red Iron Oxide 0.5 0.92 1.0 0.95 0.8
  • compositions of the present invention can be prepared as follows.
  • a water bath is heated to 75°C.
  • the branched chain hydrocarbons are placed in a first flask together with gelling agent.
  • the flask is then placed in the water bath and the contents of the flask is stirred continuously using an overhead stirrer until well dispersed.
  • the silicone is then added to the flask with stirring.
  • the pigments, preservatives and zinc oxide, if present, are then processed in a coffee mill until evenly dispersed before being added to the flask.
  • the anti-acne active is dissolved in the polyoxyethylene-polyoxypropylene copolymer with stirring and gentle heating. Separately the waxes are melted in a second flask over a hot plate heated to about 85°C.
  • the overhead stirrer in the first flask is replaced with a Silverson homogenizer.
  • the melted waxes are then added to the first flask and the resulting mixture is homogenised for 15 minutes on full power.
  • the anti-acne active mixture is added to the first flask and the resulting mixture is homogenised for a further 1 minute on full power.
  • the molten mixture is poured into moulds which have been pre-treated with silicone spray and left to cool for 15 minutes.
  • the moulds are then placed in a freezer at a temperature of -5°C to -15°C for 15 minutes before the sticks are removed from the mould.
  • compositions of the above Examples exhibit improved skin feel, spreadability and application characteristics, together with anti-acne activity.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Birds (AREA)
  • Emergency Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Dermatology (AREA)
  • Cosmetics (AREA)

Abstract

Composition cosmétique ayant la forme d'un baton solide. Ce composé, contenant de la cire et un copolymère séquencé de polyoxyéthylène-polyoxypropylène, peut être représenté par la formule suivante (II), où x a une valeur moyenne allant d'environ 1 à environ 130, y une valeur moyenne allant d'environ 10 à environ 75 et z une valeur moyenne allant d'environ 1 à environ 130. Ce composé est un agent actif acide anti-acné, l'agent actif anti-acné étant préalablement solubilisé dans le copolymère séquencé de polyoxyéthylène-polyoxypropylène. Cette composition possède de bonnes caractéristiques d'application et de lutte contre l'acné.
PCT/US1995/013815 1994-11-17 1995-10-26 Composition cosmetique en baton WO1996015760A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9423180A GB9423180D0 (en) 1994-11-17 1994-11-17 Cosmetic compositions in stick form
GB9423180.0 1994-11-17

Publications (1)

Publication Number Publication Date
WO1996015760A1 true WO1996015760A1 (fr) 1996-05-30

Family

ID=10764533

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1995/013815 WO1996015760A1 (fr) 1994-11-17 1995-10-26 Composition cosmetique en baton

Country Status (2)

Country Link
GB (1) GB9423180D0 (fr)
WO (1) WO1996015760A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2335596A (en) * 1998-03-24 1999-09-29 Procter & Gamble Polyalkyleneglycol Copolymers as Lipase Inhibitors
WO2001021141A3 (fr) * 1999-09-23 2001-10-11 Procter & Gamble Compositions d'hygiene personnelle
US6409997B1 (en) * 2000-07-31 2002-06-25 Neutrogena Corporation Wax cosmetic stick
EP1587485A4 (fr) * 2002-12-23 2007-04-11 Avon Prod Inc Compositions topiques degraissantes, et procedes d'utilisation correspondants

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478853A (en) * 1982-05-17 1984-10-23 S. C. Johnson & Son, Inc. Skin conditioning composition
US4970220A (en) * 1982-05-17 1990-11-13 S. C. Johnson & Son, Inc. Skin conditioning composition
US5382432A (en) * 1993-11-15 1995-01-17 Elizabeth Arden Company, Division Of Conopco, Inc. Cosmetic method for treatment of skin

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4478853A (en) * 1982-05-17 1984-10-23 S. C. Johnson & Son, Inc. Skin conditioning composition
US4970220A (en) * 1982-05-17 1990-11-13 S. C. Johnson & Son, Inc. Skin conditioning composition
US5382432A (en) * 1993-11-15 1995-01-17 Elizabeth Arden Company, Division Of Conopco, Inc. Cosmetic method for treatment of skin

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2335596A (en) * 1998-03-24 1999-09-29 Procter & Gamble Polyalkyleneglycol Copolymers as Lipase Inhibitors
WO2001021141A3 (fr) * 1999-09-23 2001-10-11 Procter & Gamble Compositions d'hygiene personnelle
US6409997B1 (en) * 2000-07-31 2002-06-25 Neutrogena Corporation Wax cosmetic stick
EP1587485A4 (fr) * 2002-12-23 2007-04-11 Avon Prod Inc Compositions topiques degraissantes, et procedes d'utilisation correspondants
US7939489B2 (en) 2002-12-23 2011-05-10 Avon Products, Inc. Oil absorbent topical compositions and methods for using same

Also Published As

Publication number Publication date
GB9423180D0 (en) 1995-01-04

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