The use of 2-amino-1,3-propanediol and/or substituted 2-amino-1,3-propanediol for degradation of malodours caused by the presence of acids, thiols, sulphides, amines, aromatics, alcohols and/or heteroaromatics is described. By addition of 2-amino-1,3-propanediol and/or substituted 2-amino-1,3-propanediol to the ambient air or, for example, incorporated into washing compositions, it is possible to reduce corresponding malodours.