The invention relates to novel soothing compositions for animals, particularly for cats. It specifically relates to soothing compositions for non-human mammals, comprising between 1% and 50% w/w of at least one fatty acid comprising between 5 and 22 carbon atoms and between 0.01% and 5% w/w of nepetalactone, such that said at least one fatty acid and said nepetalactone are dissolved in a solvent. Said compositions are characterised in that they exhibit soothing properties for stressed animals and are stable for the entire period of use thereof.