TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Composition: The organic solvent includes (wt.) a propellant (3-35), a neutralizing agent (0.1-15), carrier (20-70), and a vapor pressure suppressant.Preferred Material: The neutralizing agent is 2-amino-2-methyl-1,3-propanediol (AMPD), 2-amino-2-ethyl-1,3-propanediol (AEPD), 2-amino-2-methyl-1-propanol (AMP), 2-amino-1-butanol (AB), monoethanolamine (MEA), diethanolamine (DEA), triethanolamine (TEA), monoisopropanolamine (MIPA), diisopropanolamine (DIPA), triisopropanolamine (TIPA), or dimethyl stearamine (DMS). The organic solvent comprises 1-6C alcohols (preferably ethanol). The propellant is trichlorofluoromethane, dichlorodifluoromethane, dichlorotetrafluoroethane, monochlorodifluoromethane, trichlorotrifluoroethane, dimethylether, propane, n-butane and/or isobutene.    TECHNOLOGY FOCUS - POLYMERS - Preferred Composition: The composition comprises lower molecular weight silicones (0.1-5 wt.%).Preferred Material: The volatile silicone is cyclomethicone, dimethicone, caprylyl methicone, phenyl trimethicone, polyethylene glycol/polypropylene glycol (PEG/PPG-20/23) dimethicone, PEG/PPG-5/3 trisiloxane, PEG/PPG-23/6 dimethicone, PEG/PPG-18/18 dimethicone, PEG-12 dimethicone, and/or PEG-8 dimethicone. The lower molecular weight silicones are caprylyl methicone, phenyl trimethicone, PEG/PPG-20/23 dimethicone, PEG/PPG-5/3 trisiloxane, PEG/PPG-23/6 dimethicone, PEG/PPG-18/18 dimethicone, PEG-12 dimethicone, or PEG-8 dimethicone. The composition comprises a mixture of dimethicone and cyclomethicone. The hair fixative resin is acrylates/acrylamide copolymer, aminoethylpropanediol-acrylates/acrylamide copolymer, vinyl caprolactam/vp/dimethylaminoethyl methacrylate copolymer, octylacrylamide/acrylates/butylaminoethyl methacrylate copolymer, polyvinylpyrrolidone (PVP), copolymers of (PVP) and methylmethacrylate, copolymers of PVP and vinylacetate (VA), polyvinyl alcohol (PVA), copolymers of PVA and crotonic acid, copolymers of PVA and maleic anhydride, hydroxypropyl cellulose, hydroxypropyl guar gum, sodium polystyrene sulfonate, PVP/ethylmethacrylate/methacrylic acid terpolymer, vinyl acetate/crotonic acid/vinyl neodecanoate copolymer, octylacrylamide/acrylates copolymer, monoethyl ester of poly(methyl vinyl ether-maleic acid), and/or octylacrylamide/acrylate/butylaminoethyl methacrylate copolymers. The hair fixative resin comprises a copolymer mixture comprising acrylates/acrylamide copolymer, aminoethylpropanediol-acrylates/acrylamide copolymer, vinyl caprolactam/vp/ dimethylaminoethyl methacrylate copolymer, or octylacrylamide/acrylates/butylaminoethyl methacrylate copolymer. EXAMPLE - A hair care composition was prepared, which comprised (wt.%) cyclomethicone (35), acrylates/acrylamide copolymer (8), dimethicone (2), aminomethyl propanol (1), ethylhexyl methoxycinnamate (sunscreen) (1), viscosity adjustor, preservatives, fragrance, and alcohol (balance). The composition was sprayed on human hair and found to provide hold and shine.