TECHNOLOGY FOCUS - POLYMERS - Preferred Components: In (A1): the polymer comprises less than 1 wt.% of acrylamide monomer unit; and the crosslinked monomer unit is methyl acrylamide 2,4,5-trihydroxy tetrahydropyran of formula (IV) or acrylamide 2,4,5-trihydroxy tetrahydropyran of formula (V). In (A2): the polymer comprises less than 1 wt.% of acrylamide and methacrylamide monomer units; the polymer comprises methyl acrylamide 2,3,4,5-tetrahydroxy tetrahydropyran of formula (IX) or acrylamide 2,3,4,5-tetrahydroxy tetrahydropyran of formula (X). (XI) is 2-methyl-N-(3,4,6-trihydroxy-5-(2-methyl-acryloylamino)-tetrahydro-pyran-2-ylmethyl)-acrylamide or N-(5-acryloylamino-3,4,6-trihydroxy-tetrahydro-pyran-2-ylmethyl)-acrylamide. In the preparation of the polymer: the at least one monomer do not include methacrylamide or acrylamide; the monomer is 2-methyl-N-(3,4,6-trihydroxy-5-(2-methyl-acryloylamino)-tetrahydro-pyran-2-ylmethyl)-acrylamide, N-(5-acryloylamino-3,4,6-trihydroxy-tetrahydro-pyran-2-ylmethyl)-acrylamide, 2-methyl-N-(3,4,5,6-tetrahydroxy-tetrahydro-pyran-2-ylmethyl)-acrylamide or N-(3,4,5,6-tetrahydroxy-tetrahydro-pyran-2-ylmethyl)-acrylamide. (A3) comprises monomer unit 2-methyl-N-(3,4,5,6-tetrahydroxy-tetrahydro-pyran-2-ylmethyl)-acrylamide or N-(3,4,5,6-tetrahydroxy-tetrahydro-pyran-2-ylmethyl)-acrylamide (sic). (A4) comprises 2-methyl-N-(3,4,5,6-tetrahydroxy-tetrahydro-pyran-2-ylmethyl)-acrylamide or N-(3,4,5,6-tetrahydroxy-tetrahydro-pyran-2-ylmethyl)-acrylamide. (A5) comprises less than 0.2 wt.% of acrylamide. Preferred Definitions:    Z1-Z3, Z11-Z13 = -CH(OH)-;    L1, L2 = -NH-;    dashed line = single bond;    R1, R4 = H or methyl; and    R2, R3, R5, R6 = H.    EXAMPLE - Typical hair spray formulation comprised of: 34 wt.% of ethanol; 8 wt.% of copolymer obtained by reacting 10 g of N-(6-deoxy-D-galactose)-acrylamide, 4 g of acrylic acid and 6 g of ethyl methacrylate; 0.6 wt.% of 2-amino-2-methyl-1-propanol; 0.2 wt.% of fragrance (mixture of 34.8% of vanilla, 26.1% of sandalwood, 17.4% of French lavender, 8.7% of jasmine, 8.7% of ylang ylang and 4.2% of dark musk); 8 wt.% of n-pentane; 28 wt.% of dimethyl ether; and to 100 wt.% of water.