An aqueous fluid, possibly a wellbore fracturing fluid, comprises an aqueous solution or dispersion of a first polymer, which may be polysaccharide, as a thickener and a cross linking agent to enhance the viscosity of the fluid by crosslinking the first polymer, wherein the crosslinking agent is a second polymer comprising at least one polymer chain with phenyl boronate groups distributed along the polymer chain and the phenyl boronic acid groups have nitrogen attached to the phenyl group at a position which is meta relative to the boronate group.

Suggested is a composition for fighting malodors comprising or consisting of (a) at least one physiological cooling gent and (b) at least one water-absorbing polymer and/or hydrogel.

An oral care composition comprising a local anaesthetic agent, a film-forming polymer and a non-aqueous vehicle wherein the film-forming polymer comprises an alkyl vinyl ether-maleic acid or anhydride copolymer or salt thereof is provided.

Disclosed are new and improved antiperspirant/deodorant compositions and methods of reducing perspiration, where the new and improved antiperspirant/deodorant compositions contain a water dispersible organic polymer and can reduce the concentration of active antiperspirant ingredients while maintaining antiperspirant efficacy.

The present invention relates to a composition comprising particles of at least one polymer that is surface-stabilized with a stabilizer, the polymer of the particles being a C1-C4 alkyl (meth)acrylate polymer; the stabilizer being an isobornyl (meth)acrylate polymer chosen from isobornyl (meth)acrylate homopolymer and statistical copolymers of isobornyl (meth)acrylate and of C1-C4 alkyl (meth)acrylate present in an isobornyl (meth)acrylate/C1-C4 alkyl (meth)acrylate weight ratio of greater than 4, at least one hydrocarbon-based oil and at least one silicone resin, and a mixture thereof. The invention also relates to a process for making up and/or caring for keratin materials, in which said composition is applied.

The present invention provides a tooth whitening oral care composition comprising: (i) a dye having a blue to blue-violet color with a hue angle in the CIELAB system ranging from 200 to 320 degrees; (ii) core shell silica particles, wherein each core shell silica particle comprises a silica core, and a surface of the silica core is etched with metal silicate; (iii) an orally acceptable carrier vehicle comprising a non-aqueous solvent; and wherein the composition comprises water in an amount of from 3 weight % to 30 weight %.

Described herein, are personal care compositions comprising a surfactant system; an amino acid, e.g. taurine; and a deposition aid comprising a PVM/MA copolymer having a M.W. of from about 30,000 to about 1,000,000, or a vinylimidazolium vinyl pyrrolidone copolymer. Methods of making and using these compositions are also described.

The invention relates to a copolymer resulting from the polymerization of: (a) 50% to 90% by weight, of the total weight of monomers, of isobornyl (meth)acrylate, (b) 1% to 50% by weight of maleic anhydride, (c) 0% to 49% by weight of additional (meth)acrylate monomer chosen from: (i) saturated or unsaturated and linear or branched C.sub.1-C.sub.20 alkyl (meth)acrylates, the alkyl being optionally interrupted by one or more nonadjacent heteroatoms chosen from O or S or by an NR group, R being a C.sub.1-C.sub.4 alkyl group, optionally substituted by a phenyl or furfuryl group; (ii) saturated C.sub.4-C.sub.8 cycloalkyl (meth)acrylates, the cycloalkyl being optionally interrupted by O or NH. The invention also relates to a composition comprising said copolymer in a physiologically acceptable medium. The invention also relates to a cosmetic method for caring for or making up the skin or the lips, comprising the topical application, to the skin or the lips, of a cosmetic composition comprising said copolymer.

Process for treating keratin fibres with an ethylenicpolymer bearing a maleic anhydride group and a polyol The invention relates to a cosmetic process for treating keratin fibres, comprising the application to the keratin fibres of a mixture of a maleic anhydride ethylenic polymer, a liposoluble polyol and an amine catalyst; said maleic anhydride ethylenic polymer being obtained by polymerization of: (a) 25% to 95% by weight, relative to the total weight of monomers, of an ethylenic monomer bearing an at least C8 linear or branched alkyl group; (b) 5% to 25% by weight of maleic anhydride; (c) 0% to 50% by weight of additional (meth)acrylate monomer; and a step of heating the keratin fibres to a temperature ranging from 90 C. to 250 C. The invention also relates to the crosslinked polymer obtained by reacting said ethylenic polymer with said liposoluble polyol. The treated keratin fibres have good water-resistant fixing properties.

The invention relates to a cosmetic process for caring for or making up keratin materials, comprising: either the topical application to the keratin materials of an anhydrous mixture of a cosmetic composition comprising a maleic anhydride block polymer and of an amino alkoxysilane compound; or the sequential application to the keratin materials of an anhydrous cosmetic composition comprising a maleic anhydride block polymer and of an anhydrous cosmetic composition containing an amino alkoxysilane, said block polymer comprising: a first block with a glass transition temperature (Tg) of greater than or equal to 40 C., obtained from a monomer CH.sub.2C(R.sub.1)COOR.sub.2 in which R.sub.1H or methyl, R.sub.2C.sub.4 to C.sub.12 cycloalkyl group; and a second block with a glass transition temperature (Tg) of less than or equal to 20 C. derived from a maleic anhydride monomer and from a monomer CH.sub.2C(R.sub.1)COOR.sub.3 in which R.sub.1H or methyl, R.sub.3=linear or branched C.sub.1 to C.sub.6 unsubstituted alkyl group, with the exception of a tert-butyl group, or a methoxyethyl group. The invention also relates to the polymer bearing an alkoxysilane group obtained by reacting said block polymer with said amino alkoxysilane. The process makes it possible to obtain a non-tacky and transfer-resistant film-forming deposit that has good persistence and that is resistant to water, to oil and to sebum.