WO1998050002A1 - Batons cosmetiques renfermant des microcapsules - Google Patents

Batons cosmetiques renfermant des microcapsules Download PDF

Info

Publication number
WO1998050002A1
WO1998050002A1 PCT/US1998/006071 US9806071W WO9850002A1 WO 1998050002 A1 WO1998050002 A1 WO 1998050002A1 US 9806071 W US9806071 W US 9806071W WO 9850002 A1 WO9850002 A1 WO 9850002A1
Authority
WO
WIPO (PCT)
Prior art keywords
cosmetic
cosmetic composition
stick
pigment particles
microcapsule
Prior art date
Application number
PCT/US1998/006071
Other languages
English (en)
Inventor
Harold E. Pahlck
Leona Giat Fleissman
Original Assignee
Avon Products, Inc.
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 Avon Products, Inc. filed Critical Avon Products, Inc.
Priority to AU67811/98A priority Critical patent/AU6781198A/en
Publication of WO1998050002A1 publication Critical patent/WO1998050002A1/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
    • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
    • A61K8/11—Encapsulated compositions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
    • A61Q1/02—Preparations containing skin colorants, e.g. pigments
    • A61Q1/04—Preparations containing skin colorants, e.g. pigments for lips
    • A61Q1/06—Lipsticks
    • 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
    • A61K2800/41—Particular ingredients further characterized by their size
    • A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns
    • 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
    • A61K2800/42—Colour properties
    • A61K2800/43—Pigments; Dyes

Definitions

  • the present invention relates generally to a cosmetic stick containing a microencapsulated ingredient. More particularly, this invention relates to a pigmented cosmetic stick having an encapsulated pigment or other encapsulated active ingredient within a volatile solvent base. Such a stick having an encapsulated pigment within a volatile solvent base provides enhanced color payoff and improved feel and smoothness on application to the skin.
  • Encapsulated pigments for use in cosmetic compositions are known in the art, as are encapsulated oils and other encapsulated active ingredients.
  • U.S. Patent No. 5,382,433, owned by the assignee of the present invention provides a long wearing cosmetic composition having coacervated pigment microcapsules incorporated into a compatible anhydrous base.
  • Volatile solvent based cosmetics account for a sizable and growing portion of the cosmetic market. Yet, until now, volatile solvents were not thought to be compatible with cosmetic microcapsules, since it was believed that the volatile solvents would completely dissolve the microcapsules and render them useless .
  • microencapsulated pigments formed according to the such methods as those disclosed in U.S. Patent No. 5,382,433, discussed above can successfully be incorporated into cosmetic bases containing volatile solvents, without sacrificing the performance of the microcapsules to deliver high concentrations of pigment and to improve color payoff and wear properties. Moreover, it has been found that these compositions have superior feel on application, and are not rough or gritty.
  • a primary object of the present invention to provide a cosmetic composition having microcapsules, containing pigment or other ingredients, in a volatile solvent base.
  • the present invention comprises a cosmetic stick having a base, including a solidifying agent and a volatile solvent, and a microencapsulated pigment particle or particles (referred to herein as particles) , wherein the outer shell of the microencapsulated pigment particles is softened but not destroyed by the volatile solvent.
  • the preferred cosmetic compositions of the present invention have a microencapsulated ingredient incorporated into a volatile solvent-based solid or semi-solid base.
  • the microencapsulated ingredient is a pigment.
  • This microencapsulated pigment is then incorporated into a cosmetic base containing a volatile solvent, without sacrificing the performance of the microcapsule or microcapsules (referred to herein primarily as microcapsules) to deliver a high concentration of pigment.
  • the resulting cosmetic has improved color payoff and wear properties.
  • the composition has superior feel on application.
  • microcapsules containing other cosmetically useful ingredients such as emollient oils, sunscreens, healing or treatment agents, vitamins, and the like, would also come within the scope of the present invention.
  • the microcapsules can be added alone or in combination with another microencapsulated ingredient to the cosmetic base.
  • the cosmetic composition containing these ingredients is not gritty or rough, and provides improved ingredient payoff and wear.
  • the color component is typically dispersed throughout a suitable anhydrous base or vehicle.
  • the pigmented solid particles give the cosmetic its characteristic color, texture or sheen.
  • a microencapsulated pigment provides benefits such as longer wearing color and renewability without reapplication. For example, normal activities such as talking, smiling and eating cause microcapsules within a lipstick that has been applied to the lips to rupture and dispense color long after initial application.
  • any inorganic or organic pigment or colorant approved for use in cosmetics is suitable for use in the present invention.
  • Preferred pigments include the lakes, iron oxides, titanium dioxide and hydrophobic dyes.
  • the microencapsulated pigments may be formed according to the methods disclosed in the art, such as those disclosed in U.S. Patent No. 5,382,433, discussed above and incorporated herein by reference, which sets forth several preferred methods of encapsulation.
  • the coacervation method is more preferably employed to encapsulate the pigment or other ingredient or ingredients of the present invention.
  • this method involves first dispersing the color component or pigmented solid in a liquid carrier, preferably a nonvolatile solvent.
  • the liquid dispersion is emulsified, and a complex of colloidal material is added to the external phase.
  • the colloidal material is then reacted to form a deposit or shell on and around each droplet.
  • the temperature of the solution is then lowered in order to gel and harden the shell wall material. Further curing of the shell wall material by chemical agents can also be performed.
  • the preferred colloidal materials for use in this preferred process include gelatin and gum arabic.
  • microcapsules making up this powder are preferably from about 2 to about 20 microns in diameter. However, due to the softening effects of the composition of the present invention, microcapsules of greater size can be used without an unacceptable feeling of roughness or grittiness on application of the cosmetic composition to the skin.
  • the dimensions of the microcapsules and their cores can be controlled by manipulating the reaction conditions, as is known in the art. Additional methods of encapsulation can also be used, such as additional in situ polymerization reactions and polycondensation encapsulation techniques.
  • the microcapsule powder can then be incorporated into the cosmetic base.
  • the microcapsules are preferably present in the cosmetic composition at up to about 60% by weight of the base vehicle, with an amount in the range of about 2% to about 20% by weight being more preferred.
  • the present invention contemplates the use of a cosmetic base containing a volatile solvent.
  • a volatile solvent is typically used as a quick-drying carrier for a film-forming agent such as sucrose acetate isobutyrate.
  • the volatile solvent remains in the cosmetic composition until it is applied to the skin, hair or other surface.
  • the volatile solvent then rapidly evaporates, leaving the remaining cosmetic ingredients, preferably entrapped within a cosmetic film, on the skin or other surface.
  • the volatile solvent in the base softens or plasticizes the outer shell of the microcapsules in situ. This minimizes or eliminates the typical gritty feel of the microcapsule material.
  • the solidifying agent that binds the semi-solid or solid composition acts to maintain the structure of the microcapsule, and thus lock the microcapsule' s contents in place and enable the microcapsule to remain functional.
  • Any cosmetically acceptable volatile solvent can be used in the cosmetic compositions of the present invention.
  • Preferred volatile solvents for use in the present invention include volatile hydrocarbons, such as isododecane and other isoparaffins, and volatile silicones such as cyclomethicone .
  • the solidifying agent is preferably a wax.
  • Preferred waxes for use in the cosmetic compositions of the present invention include candelilla, beeswax, microcrystalline petroleum wax, paraffin wax, ceresine wax, ozokerite and carnauba. Moreover, these waxes can also function as film formers. In addition, other binders and structuring agents can be used in these compositions as solidifying agents, provided they give support to the cosmetic and to the softening microcapsules therein.
  • Cosmetic compositions according to the present invention are preferably in the form of wax-based cosmetic sticks, such as lipsticks, concealers, or stick eyeshadows. Other solid or semi-solid compositions, such as foundations, blushes and potted lip colors, can also be used.
  • a preferred lipstick composition according to the following invention is set forth in Example 1.
  • Encapsulated pigment 1.30 Paraffin wax 8.00

Abstract

La présente invention se rapporte à un bâton cosmétique dont la base renferme un agent solidifiant, un agent volatil ainsi que des particules pigmentaires microencapsulées. L'enveloppe extérieure des particules pigmentaires microencapsulées est adoucie mais le solvant volatil ne la détruit pas.
PCT/US1998/006071 1997-05-09 1998-03-27 Batons cosmetiques renfermant des microcapsules WO1998050002A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU67811/98A AU6781198A (en) 1997-05-09 1998-03-27 Cosmetic sticks containing microcapsules

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85403897A 1997-05-09 1997-05-09
US08/854,038 1997-05-09

Publications (1)

Publication Number Publication Date
WO1998050002A1 true WO1998050002A1 (fr) 1998-11-12

Family

ID=25317574

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/006071 WO1998050002A1 (fr) 1997-05-09 1998-03-27 Batons cosmetiques renfermant des microcapsules

Country Status (2)

Country Link
AU (1) AU6781198A (fr)
WO (1) WO1998050002A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6582679B2 (en) 2000-10-04 2003-06-24 Wella Ag Hair wax products containing waxes, non-volatile oils and volatile hydrophobic materials
WO2005105031A1 (fr) * 2004-04-19 2005-11-10 Eastman Chemical Company Compositions de soins cutanes
EP1661549A1 (fr) * 2004-11-04 2006-05-31 L'oreal Compositions cosmétiques et méthodes d'utilisation
EP2274054A2 (fr) * 2008-04-11 2011-01-19 Kobo Products Inc. Pigment traité par ester naturel, ou cire ou huile naturelle, procédé pour sa production, et produits cosmétiques réalisés avec celui-ci
US7932191B2 (en) 2004-04-29 2011-04-26 Ciba Specialty Chemicals Water Treatments Ltd. Particulate compositions and their manufacture
US7947294B2 (en) 2004-06-15 2011-05-24 Basf Se Shatter resistant encapsulated colorants for natural skin appearance
US8071078B2 (en) 2003-02-26 2011-12-06 Basf Se Encapsulated colorants for natural skin appearance
US8586011B2 (en) 2004-07-29 2013-11-19 Blonde Holdings Pty Ltd. Skin coating composition and uses thereof
US8709598B2 (en) 2006-11-21 2014-04-29 Basf Se Microcapsules, their use and processes for their manufacture
US8784984B2 (en) 2006-11-17 2014-07-22 Ciba Corporation Microcapsules, their use and processes for their manufacture
CN104398393A (zh) * 2014-12-01 2015-03-11 重庆小丸科贸有限公司 一种包裹天然色素的微胶囊型唇膏

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108852959B (zh) * 2018-05-28 2020-12-25 浙江工业大学 一种天然多效唇膜的制备方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5585090A (en) * 1991-03-15 1996-12-17 The Procter & Gamble Company Cosmetics having sunscreen properties
US5626856A (en) * 1995-06-30 1997-05-06 Safe & Dry Company, Inc. Cosmetic delivery vehicles and related compositions
US5665778A (en) * 1993-10-12 1997-09-09 L'oreal Ceramides, process for their preparation and their applications in cosmetics and in dermopharmacy

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5585090A (en) * 1991-03-15 1996-12-17 The Procter & Gamble Company Cosmetics having sunscreen properties
US5665778A (en) * 1993-10-12 1997-09-09 L'oreal Ceramides, process for their preparation and their applications in cosmetics and in dermopharmacy
US5626856A (en) * 1995-06-30 1997-05-06 Safe & Dry Company, Inc. Cosmetic delivery vehicles and related compositions

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7504090B2 (en) 2000-10-04 2009-03-17 Wella Ag Hair wax products containing waxes, non-volatile oils and volatile hydrophobic materials
US6582679B2 (en) 2000-10-04 2003-06-24 Wella Ag Hair wax products containing waxes, non-volatile oils and volatile hydrophobic materials
US8071078B2 (en) 2003-02-26 2011-12-06 Basf Se Encapsulated colorants for natural skin appearance
WO2005105031A1 (fr) * 2004-04-19 2005-11-10 Eastman Chemical Company Compositions de soins cutanes
US7932191B2 (en) 2004-04-29 2011-04-26 Ciba Specialty Chemicals Water Treatments Ltd. Particulate compositions and their manufacture
US7947294B2 (en) 2004-06-15 2011-05-24 Basf Se Shatter resistant encapsulated colorants for natural skin appearance
US8586011B2 (en) 2004-07-29 2013-11-19 Blonde Holdings Pty Ltd. Skin coating composition and uses thereof
EP1661549A1 (fr) * 2004-11-04 2006-05-31 L'oreal Compositions cosmétiques et méthodes d'utilisation
US8784984B2 (en) 2006-11-17 2014-07-22 Ciba Corporation Microcapsules, their use and processes for their manufacture
US8709598B2 (en) 2006-11-21 2014-04-29 Basf Se Microcapsules, their use and processes for their manufacture
EP2274054A2 (fr) * 2008-04-11 2011-01-19 Kobo Products Inc. Pigment traité par ester naturel, ou cire ou huile naturelle, procédé pour sa production, et produits cosmétiques réalisés avec celui-ci
JP2011516576A (ja) * 2008-04-11 2011-05-26 コボ プロダクツ インコーポレイテッド 天然のエステル、ワックス、又は油で処理された顔料、それの生産のための工程、及びそれと共に作られた化粧品
EP2274054A4 (fr) * 2008-04-11 2014-07-02 Kobo Products Inc Pigment traité par ester naturel, ou cire ou huile naturelle, procédé pour sa production, et produits cosmétiques réalisés avec celui-ci
CN104398393A (zh) * 2014-12-01 2015-03-11 重庆小丸科贸有限公司 一种包裹天然色素的微胶囊型唇膏

Also Published As

Publication number Publication date
AU6781198A (en) 1998-11-27

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