TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The zinc salts are selected from water-soluble mineral and/or organic zinc salts; are selected from mineral salts (preferably zinc sulfate and zinc chloride); are selected from organic salts (preferably zinc lactate, zinc gluconate, zinc phenolsulfonate, zinc citrate and zinc salicylate, or their derivatives); and is selected from zinc lactate and zinc gluconate (preferably zinc gluconate). The concentration of zinc salt is 0.05-10 (preferably 0.1-6.5, especially 0.2-3) wt.%. The concentration of zinc element is less than 2 (preferably 0.005-1.5, especially 0.1-1) wt.%.n=2;p=0-3;R1=linear or branched 1-8C alkyl (for e.g. methyl, ethyl, n-propyl, isopropyl or n-butyl), linear or branched 1-8C hydroxyalkyl, halo, 2-8C acyl, COR2 or OCOR2;R2=H or 1-18C linear or branched alkyl.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The composition comprises at least one cationic polymer selected from cationic polysaccharides; comprises at least one nonionic surfactant; comprises at least one fatty alcohol and/or at least one silicone; and is conditioned in an aerosol device. Preferred Components: The propellant is selected from dimethyl ether and/or 1-4C linear or branched alkanes.    TECHNOLOGY FOCUS - POLYMERS - Preferred Components: The cationic polymer is selected from (1) homopolymers or copolymers derived from crosslinked or non-crosslinked acrylic or methacrylic esters or amides and comprising at least one of the unit of formulae -CH2-C(R3a)(C(C=O)-O-A'-N(R1aR2a))- (i), (-CH2-C(R3a)(C(C=O)-O-A'-N+(R4aR5aR6a))-)X- (ii) (sic), (-CH2-C(R3a)(C(C=O)-NH-A'-N+(R4aR5aR6a))-)X- (iii) (sic), or -CH2-C(R3a)(C(C=O)-NH-A'-N(R1aR2a))- (iv); (2) cationic polysaccharides; (3) polymers formed from piperazinyl units and divalent alkylene or hydroxyalkylene radicals containing straight or branched chains, optionally interrupted with oxygen, sulfur or nitrogen atoms or with aromatic or heterocyclic rings, and also the oxidation and/or quaternization products of these polymers; (4) water-soluble cationic polyamino amides prepared in particular by polycondensation of an acidic compound with a polyamine; (5) polyamino amide derivatives resulting from the condensation of polyalkylene polyamines with polycarboxylic acids followed by alkylation with difunctional agents; (6) the polymers obtained by reaction of a polyalkylene polyamine containing two primary amine groups and at least one secondary amine group with a dicarboxylic acid selected from diglycolic acid and saturated aliphatic dicarboxylic acids having 3-6C; (7) cyclopolymers of alkyldiallylamine or of dialkyldiallylammonium; (8) quaternary diammonium polymers; (9) quaternary polyammonium polymers; (10) quaternary polymers of vinylpyrrolidone and of vinylimidazole; (11) ethoxylated cationic tallow polyamines; (12) cationic vinylamide homopolymers or copolymers and in particular partially hydrolysed vinylamide homopolymers such as poly(vinylamine/vinylamide)s; (13) cationic polyurethanes; (14) cationic proteins or cationic protein hydrolysates, polyalkyleneimines, in particular polyethyleneimines, polymers containing vinylpyridine or vinylpyridinium units, and chitin derivatives. The total concentration of cationic polymer is 0.4-10 (preferably 0.5-5, especially 0.5-2) wt.%.R1a and R2a=H or 1-6C alkyl (preferably methyl or ethyl);R3a=H or CH3;A'=1-6C (preferably 2-3C) linear or branched alkyl, or 1-4C hydroxyalkyl;R4a-R6a=1-6C alkyl or benzyl;X-=anion derived from mineral or organic acid, such as methosulfate anion or halide such as chloride or bromide. EXAMPLE - A composition comprising (wt.%): polyquaternium-4 (1.425), zinc gluconate (0.95), isobutane/butane/propane mixture (5), citric acid (quantity sufficient to pH 3.5), cationic polymer (0.1), and water (quantity sufficient to 100), was prepared.