TECHNOLOGY FOCUS - BIOLOGY - Preferred Components: The composition comprises: 5-30 wt.% of at least one crosslinking agent; 5-20 wt.% of at least one quaternary ammonium compound; 0.03-3 wt.% of at least one poly(alkylene glycol) alkyl ether; 0.03-3 wt.% of at least one gelling agent; 0.03-3 wt.% of at least one antimicrobial essential oil or its active form; and 0.03-5 wt.% of at least one surfactant. The composition further comprises at least one ethoxylated nonylphenol.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The crosslinking agent is: glutaraldehyde, glyoxal, ortho-phthalaldehyde, carbodiimides, diisocyanates, formaldehyde donor, sodium hydroxymethylglycinate, diazolidinyl urea, imidazolidinyl urea, dimethylol-5,5-dimethylhydantoin, dimethylol urea, 2-bromo-2-nitropropane 1,3-diol, quaternium-15, parabens, 5-chloro-2 methyl isothiazol-3-one, 1,2-dibromo-2,4-dicyanobutane, ethanol and other alcohols, or polyol; or aldehydes (e.g. glyceraldehyde, glutaraldehyde, dextran dialdehyde or carbohydrates), diols (e.g. ethylene glycol, diethylene glycol, polyethylene glycol, propylene glycol, dipropylene glycol or polypropylene glycol), unsaturated diesters (e.g. ethylene glycol dimethacrylate, diethylene glycol dimethacrylate, poly(ethylene glycol) dimethacrylate, poly (lauryl methacrylate-co-ethylene glycol dimethacrylate), propylene glycol dimethacrylate, dipropylene glycol dimethacrylate or polypropylene glycol dimethacrylate), dihydrazides (e.g. malonic dihydrazide, ethylmalonic dihydrazide, succinic dihydrazide, glutaric dihydrazide, adipic dihydrazide, isophthalic dihydrazide, oxalyl dihydrazide, pimelic dihydrazide or 3,3'-sulfonyl benzene sulfonic dihydrazide), diisocyanates (e.g. m-xylylene diisocyanate, 4-methyl-m-phenylene diisocyanate, 2-methyl-m-phenylene diisocyanate, 3,3'-dimethoxy-4,4'-biphenylene diisocyanate, 4-bromo-6-methyl-1,3-phenylene diisocyanate, 4-chloro-6-methyl-1,3-phenylene diisocyanate, toluene-2,4-diisocyanate, 1,3-phenylene diisocyanate, 1,4-phenylene diisocyanate, 2,4,6-trimethyl-1,3-phenylene diisocyanate, 1,4- diisocyanate butane, 1,6-diisocyanatohexane, 1,8-diisocyanate octane or isophorone diisocyanate), carbodiimides (e.g. N,N-(3-dimethylaminopropyl)-N-ethylcarbodiimide (EDC)), salts (e.g. calcium chloride), divinyl sulfone, sulfonylurea, hydrolyzable polyrotaxane, L-lysine methyl ester or genipin. ACTIVITY - Dermatological; Virucide.    MECHANISM OF ACTION - None given.    ADMINISTRATION - Administration of the composition is 3-10 ml in the form of a spray and/or foam, where the composition is sprayed on to the lower leg and hoof area of the animal (claimed).