A composition comprising microcapsules comprising at least one core and one shell, wherein the core contains at least one odor-neutralizing agent selected from a 1-aza-3,7-dioxabicyclo[3.3.0]octane compound of general formula where, in the compounds according to formula, the functional groups R 1, R 2, R 3 and R 4 each independently represent functional groups which, in a compound of the general formula R 1 -C(=O)-R 2 or R 3 -C(=O)-R 4, produce a fragrance aldehyde having at least 6 carbon atoms or a fragrance ketone having at least 6 carbon atoms, and the functional groups R 5, R 6 and R 7 each independently represent H or a hydrocarbon functional group which can be acyclic or cyclic, substituted or unsubstituted, branched or unbranched, saturated or unsaturated; characterized in that, in the compounds of formula, - the functional groups R 2, R 4, R 5, and R 7 represent H and the functional groups R 1 and R 3 each independently represent a C 6-24 hydrocarbon functional group and R 6 represents H or a C 1-24 hydrocarbon functional group; or - the functional groups R 5 and R 7 each independently represent hydrogen or a C 1-6 hydrocarbon functional group which may optionally be substituted, preferably a C 1-3 hydrocarbon functional group, in particular R 5 and R 7 are in each case hydrogen or a methyl or ethyl functional group; and/or - R 6 represents H, a methyl, ethyl or hydroxymethyl functional group; and/or - the functional groups R 2 and R 4 each represent H; and/or - the functional groups R 2, R 4, R 5 and R 7 each represent H, R 6 represents H, a methyl, ethyl or hydroxymethyl functional group, R 1 and R 3 each independently represent a C 6-24 hydrocarbon functional group, preferably a C 7-24 hydrocarbon functional group, wherein the hydrocarbon functional group can be acyclic or cyclic, substituted or unsubstituted, branched or unbranched, saturated or unsaturated; or the functional groups R 2, R 4, R 5, R 6 and R 7 represent H; and the functional groups R 1 and R 3 each independently represent a C 5-24 hydrocarbon functional group. where, in the compounds according to formula, the functional groups R 1, R 2, R 3 and R 4 each independently represent functional groups which, in a compound of the general formula R 1 -C(=O)-R 2 or R 3 -C(=O)-R 4, produce a fragrance aldehyde having at least 6 carbon atoms or a fragrance ketone having at least 6 carbon atoms, and the functional groups R 5, R 6 and R 7 each independently represent H or a hydrocarbon functional group which can be acyclic or cyclic, substituted or unsubstituted, branched or unbranched, saturated or unsaturated; characterized in that, in the compounds of formula, - the functional groups R 2, R 4, R 5, and R 7 represent H and the functional groups R 1 and R 3 each independently represent a C 6-24 hydrocarbon functional group and R 6 represents H or a C 1-24 hydrocarbon functional group; or - the functional groups R 5 and R 7 each independently represent hydrogen or a C 1-6 hydrocarbon functional group which may optionally be substituted, preferably a C 1-3 hydrocarbon functional group, in particular R 5 and R 7 are in each case hydrogen or a methyl or ethyl functional group; and/or - R 6 represents H, a methyl, ethyl or hydroxymethyl functional group; and/or - the functional groups R 2 and R 4 each represent H; and/or - the functional groups R 2, R 4, R 5 and R 7 each represent H, R 6 represents H, a methyl, ethyl or hydroxymethyl functional group, R 1 and R 3 each independently represent a C 6-24 hydrocarbon functional group, preferably a C 7-24 hydrocarbon functional group, wherein the hydrocarbon functional group can be acyclic or cyclic, substituted or unsubstituted, branched or unbranched, saturated or unsaturated; or - the functional groups R 2, R 4, R 5, and R 7 represent H and the functional groups R 1 and R 3 each independently represent a C 6-24 hydrocarbon functional group and R 6 represents H or a C 1-24 hydrocarbon functional group; or - the functional groups R 5 and R 7 each independently represent hydrogen or a C 1-6 hydrocarbon functional group which may optionally be substituted, preferably a C 1-3 hydrocarbon functional group, in particular R 5 and R 7 are in each case hydrogen or a methyl or ethyl functional group; and/or - R 6 represents H, a methyl, ethyl or hydroxymethyl functional group; and/or - the functional groups R 2 and R 4 each represent H; and/or - the functional groups R 2, R 4, R 5 and R 7 each represent H, R 6 represents H, a methyl, ethyl or hydroxymethyl functional group, R 1 and R 3 each independently represent a C 6-24 hydrocarbon functional group, preferably a C 7-24 hydrocarbon functional group, wherein the hydrocarbon functional group can be acyclic or cyclic, substituted or unsubstituted, branched or unbranched, saturated or unsaturated; or the functional groups R 2, R 4, R 5, R 6 and R 7 represent H; and the functional groups R 1 and R 3 each independently represent a C 5-24 hydrocarbon functional group.