Drug – bio-affecting and body treating compositions – Live hair or scalp treating compositions
Reexamination Certificate
1999-12-15
2003-10-21
Dodson, Shelley A. (Department: 1616)
Drug, bio-affecting and body treating compositions
Live hair or scalp treating compositions
C424S045000, C424S070120, C424S070170, C424S401000, C424S047000, C514S063000, C514S937000, C514S941000, C514S945000
Reexamination Certificate
active
06635240
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to hair styling compositions which provide improved hair restyling performance. In particular, the present invention relates to hair styling compositions which contain select polyalkylene glycols that provide for improved dry hair restyling performance without reapplication of the composition and/or any additional hair styling aids.
BACKGROUND OF THE INVENTION
Hair styling compositions are well known and are commercially available in a variety of forms including mousses, gels, lotions, pumps, or hairsprays. Many of these products contain various hair styling agents to provide temporary hair styling benefits such as body, hold, luster, improved hair feel, and good style retention.
One method of providing temporary hair styling benefits from a styling product while styling the hair involves the use of a hair mousse. Many hair mousse products have been formulated such that the hair mousse composition can be applied to wet or damp hair before styling or “setting” the hair. Typically, the hair mousse compositions are aqueous formulations which contain water-soluble styling agents that provide adhesive properties to the hair while the hair is wet and being styled. These styling agents, however, can form hard breakable films on the hair as the styling process is near completion, and this can result in an unacceptable hair style or in a hair style that cannot be restyled unless additional water and/or supplemental styling products are added to the hair. Moreover, the use of aqueous hair mousse compositions which contain water-soluble styling agents can leave the hair feeling unduly sticky and stiff.
One attempt at producing an aqueous hair mousse composition that is especially effective in providing good hair styling performance without leaving the hair feeling unduly stiff or sticky involves the formulation of an aqueous hair mousse which comprises a water-soluble styling polymer, a silicone emulsion, a liquid carrier comprising a combination of water and lower alcohols, and a silicone-linear polyoxyalkylene block copolymer surfactant which maintains stability of the silicone emulsion. Although these aqueous hair mousse compositions are effective in providing good hair styling performance and improved hair feel, they are also typically applied to wet or damp hair, and often lead to the application of an additional styling product once the hair has dried in order to achieve the desired final hairstyle form.
Another attempt at producing an aqueous aerosol hair mousse composition that provides good hair styling performance and improved hair feel involves the use of a combination of panthenol and certain low molecular weight polyalkylene glycols. The low molecular weight polyalkylene glycols, i.e., polyethylene glycols or polypropylene glycols having from 3 to about 12 ethylene glycol or propylene glycol units, help to effectively and efficiently deliver the panthenol to the hair. These hair mousse compositions, however, are also typically applied to wet or damp hair to achieve the desired hair conditioning benefits and generally require reapplication of the composition or another styling product to maintain or modify the original hairstyle.
Therefore, a need exists for hair styling compositions which provide for a desired hair style to be achieved and maintained, and which can be applied or sprayed on the hair during the styling process. A recent method of making a hair styling composition that can be applied to wet and/or dry hair during the styling process, and provide improved styling performance is described in JP 8-346608, published Jun. 23, 1998. The hair styling compositions disclosed in this publication contain polyalkylene glyceryl ethers styling agents to provide for sustained hair styling performance and improved aesthetics such as longer moisture and luster to the hair. These polyalkylene glyceryl ether styling agents typically do not readily penetrate into the hair and can remain on the hair fibers to provide the improved hair styling benefits. The polyalkylene glyceryl ether containing compositions disclosed in this particular publication, however, tend to provide minimal or no hold to the hair, and this can result in poor style achievement and poor style retention performance.
Another recent method of making a hair styling composition that can be applied during the styling process, and provide improved styling performance is described in WO 98/38969, published Sep. 11, 1998. The compositions disclosed in this publication use certain styling agents which deliver hair style performance to dry hair, and provide for the dry hair to be restyled without having to reapply the composition and without requiring the use of another styling product. The styling agents described in this reference include anionic, cationic, amphoteric, and nonionic styling polymers, preferably sulfonated anionic styling polymers which have an average molecular weight of from about 500 to about 5,000,000. These styling agents, however, have exceptional cohesive strength which provides for the hair fibers to be firmly held together, and this can cause the dry hair to feel coarse and be difficult to comb, style, and restyle.
It has now been found that other hair styling compositions, particularly aerosol hair styling compositions, can be formulated to provide improved dry hair restyle performance without the need to reapply the composition and/or add any other styling aids. Unlike the compositions described in the WO 98/38969 publication, these new aerosol hair styling compositions comprise low molecular weight, water-soluble polyalkylene glycol styling agents that are liquids or semisolids under ambient conditions and that can remain as a liquid or semisolid after the compositions have been applied and allowed to dry on the hair. These select polyalkylene glycols can provide for a fluid film to be left on the hair which can be characterized as a reformable weld that allows the hair fibers to be separated by forces such as wind, and then re-adhere using styling techniques such as combing, brushing, or running your fingers through the hair. The ability of these select polyalkylene glycol styling agents to remain as a liquid or semisolid also provides for an aerosol hair styling product that can be applied and evenly distributed onto dry hair, resulting in the dry hair feeling extremely smooth and very easy to restyle. This improved restyle performance provided by these select polyalkylene glycols can last for extended periods of several days without the need to reapply the composition and/or add any additional styling aids on the hair.
It is therefore an object of the present invention to provide aerosol or non-aerosol hair styling compositions which provide improved dry hair restyling performance and improved hair feel, and which contain select polyalkylene glycol styling agents that have a number average molecular weight of from about 190 to about 1500 and which optionally contain silicones or silicone derivatives having a molecular weight of greater than about 40,000 daltons. It is also an object of the present invention to provide an aerosol hair styling composition in the form of a hair mousse which provides improved dry hair restyling performance and improved hair feel, and which contains select polyalkylene glycol styling agents that have a number average molecular weight of from about 190 to about 1500 and which optionally contain silicones or silicone derivatives having a molecular weight of greater than about 40,000 daltons. It is yet another object of the present invention to provide an aerosol hair styling composition which provides improved dry hair restyling performance and improved hair feel for extended periods of time without the need to reapply the composition or add any other styling aids. It is still yet another object of the present invention to provide an aerosol hair styling composition that is a leave-on hair styling composition, and further to provide such a composition that does not feel unduly sticky or stiff after the composi
Bolich, Jr. Raymond Edward
Kuhlman Dennis Eugene
Rigney Kenneth Wayne
Schneider Michael John
Scott Alic Anthony
Dodson Shelley A.
Rosnell Tara M.
Sivik Linda M.
The Procter & Gamble & Company
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