Hair cosmetic compositions

Details Hair cosmetic compositions Hair cosmetic compositions

1997-04-03

1999-07-13

Gardner-Lane, Sally

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

Polymer containing

424 7017, 424 7011, 424DIG2, A61K 711, A61K 706

Patent

active

059223120

DESCRIPTION:

BRIEF SUMMARY
TECHNICAL FIELD

The present invention relates to hair cosmetic compositions. More particularly, this invention relates to hair cosmetic compositions containing a gelling agent and a hair fixative/conditioning polymer and having improved "in-use" and "on-hair" feel properties in addition to manageability and style retention benefits.


BACKGROUND OF THE INVENTION

The desire to have the hair retain a particular shape is widely held. A common methodology for accomplishing this is applying hair styling, or "setting" compositions to the hair, typically to damp or dry hair. These compositions provide temporary setting benefits, and should be removable by water and/or by shampooing. The materials used in the compositions to provide the setting benefits are generally applied in the form of mousses, gels, lotions or sprays.
High levels of style retention, or hold, are typically expected from hair compositions whether applied as a gel or a spray. Style retention in gel products is typically achieved by use of one or more hair fixative polymers, such as polyvinylpyrollidone (PVP) and the copolymer of PVP with vinyl acetate (PVP/VA) in combination with a gelling agent. A commonly used gelling agent is crosslinked polyacrylic acid, known by the CTFA name of Carbomer. When such polymers are incorporated into hair fixative compositions containing conventional gelling agents they can provide suitable style retention attributes. However, such compositions can give a sticky feel on the hair and hands during and after application as well as leaving the hair feeling stiff and unnatural.
It has now been found that certain combinations of gelling agents and hair fixative polymers can deliver excellent styling benefits without the sticky and stiff feel usually associated with conventional styling gels.
Thus a need exists for hair styling compositions which deliver effective style retention, impart a hair conditioning effect, have a non-sticky hair and on-hand feel, are easily brushed out, are resistant to flakiness and at the same time have stable product and viscosity characteristics and remain fully stable under long term and stressed temperature storage.


SUMMARY OF THE INVENTION

According to one aspect of the invention, there is provided a hair cosmetic composition comprising: copolymer of methyl vinyl ether/maleic anhydride, crosslinked with C.sub.4 -C.sub.16 alkadiene or hydrolysis products thereof; comprising a cationic copolymer of nonionic cellulose and diallyl dimethyl ammonium chloride; and
The essential, as well as the optional, components of the present invention are described below. All levels and ratios are on a weight basis unless otherwise specified.


Gelling Agent

The compositions of the present invention contain from about 0.01% to about 3% preferably from about 0.05% to about 2%, more preferably from about 0.5% to about 1.5%, most preferably from about 0.6% to about 1% by weight of gelling agent. It is this gelling agent which in combination with a cationic hair fixative polymer imparts hair setting and conditioning benefits without the tacky dry-hair feel and on-hand stickiness normally associated with hair styling cosmetics. The gelling agents suitable for use in the present invention comprise a copolymer of methyl vinyl ether/maleic anhydride, and hydrolysis products thereof, crosslinked with C.sub.4 -C.sub.16, preferably C.sub.6 -C.sub.12, more preferably C.sub.8 -C.sub.10 alkadiene. The gelling agents typically have a viscosity in the region of from about 50,000 cps to about 150,000 cps, preferably from about 70,000 cps to about 100,000 cps (measured as 0.5% gelling agent in non-alcoholic solution at pH7; Brookfield RVT, Spindle TE, 10 rpm).
In its broadest aspect, the copolymer utilised in the present application comprise a copolymer of methyl vinyl ether/maleic anhydride (hereafter identified as A) crosslinked with C.sub.4 -C.sub.16, preferably C.sub.6 -C.sub.12, more preferably C.sub.8 -C.sub.10 alkadiene (hereafter identified as B). Examples of suitable polymers and their preparations are descr

REFERENCES:
patent: 5066481 (1991-11-01), Helioff
patent: 5118498 (1992-06-01), Helioff et al.
patent: 5194260 (1993-03-01), Grollier
patent: 5304334 (1994-04-01), Lahanas
patent: 5362789 (1994-11-01), Kwak

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