| abstract |
The invention relates to the use of reductive aliphatic or cyclic compounds containing the atom grouping -(HO)C=C(OH)-, including their isomeric forms, and salts and esters thereof in a composition for hardening, strengthening and improving the structure of (restructuring) materials containing keratin and for increasing the volume of fibres containing keratin, especially human hair. The invention also relates to a method for hardening, strengthening and improving the structure of (restructuring) materials containing keratin and for increasing the volume of fibres containing keratin and to a method for increasing the volume of fibres containing keratin. |