Provided are compositions and methods that are useful for hair care compositions. The compositions comprise polyurethane microparticles coated with zinc salt particles, wherein the ratio of zinc salt to polyurethane is in a range of from 1:99 to 3:7, and the polyurethane microparticles have an average particle size of less than 100 microns. Also provided are methods of preparation of such compositions.

The present invention is an antimicrobial agent containing a polyalkyleneimine derivative formed by adding a substituent group having a structure of a following Formula (1) to a nitrogen atom of polyalkyleneimine.

—CH.sub.2CH(OH)CH.sub.2—O—R.sup.1  (1)

In the formula, R.sup.1 represents an alkyl group with 6 to 20 carbon atoms, an alkenyl group with 6 to 20 carbon atoms, an aryl group with 6 to 20 carbon atoms, or —(CH.sub.2CH.sub.2O).sub.n—R.sup.2. R.sup.2 represents an alkyl group with 6 to 20 carbon atoms, an alkenyl group with 6 to 20 carbon atoms, or an aryl group with 6 to 20 carbon atoms. n represents an integer of 1 to 50.

Disclosed are composite particles comprising a photolabile antidandruff agent and an organic UV filter whose melting point is from 30° C. to 105° C., characterized in that said composite particles comprise a cationic polymer having weight average molecular weight of 1000 Da to 10000000 Da.

A hair care composition is disclosed comprising from 0.5 to 45% by weight of a salt of acyl glutamate and an anti-dandruff agent of piroctone olamine, wherein the salt of acyl glutamate and the anti-dandruff agent are present in a weight ratio of from 5:1 to 50:1, and wherein the composition does not comprise other anionic surfactants in addition to the salt of acyl glutamate.

The present invention is directed to a personal care composition is disclosed comprising: a detersive surfactant from about 2% to 50%; an anti-dandruff active; a cationic polymer; a zinc-containing layered material wherein the zinc-containing layered material has a particle size in the range of from about 0.5 um to 4 um; wherein the ratio of silicone deposition to crystalline structurant deposition is greater than about 5.

The present invention is directed to a foaming composition comprising: from about 18% to about 36% of one or more anionic surfactants; from 0 0.1 to about 5% of one or more viscosity modifiers with a molecular weight of from about 38 to about 2800; from about 0.1 to about 10% of an anti-dandruff particulate; from about 1% to about 10% of a blowing agent, and wherein the foam density is from about 0.05 to about 0.25 g/ml.

A synergistic antimicrobial composition for use in personal care products functions as an antifungal agent in hair shampoo and hair care products, and includes (A) an undecylenic acid based phosphobetaine depicted by Formula I, where R=Undecylenic acid:

##STR00001##

and (B) a sophorolipid, a biosurfactant produced by a fermentation process using Candida bombicola, having a structure as depicted by Formula II(A), Formula II(B), or a mixture thereof:

##STR00002##

The present invention is directed to a personal composition comprising a) a strobilurin; b) a 2-pyridinol-N-oxide material wherein the ratio of a:b is from about 10:1 to about 1:20; wherein there is a synergistic anti-inflammatory/cellular stress activity.

The present invention is directed to a personal care composition comprising azoxystrobin wherein at least about 0.05% azoxystrobin provides a deposition of greater than about 0.01 ug/cm2.

The present invention is directed to a personal care composition comprising from about 6% to about 50% of one or more sulfate free surfactants; and from about 0.02% to about 10% of azoxystrobin.