The invention relates to a malodor counteractancy or counteracting (MOC) method that resorts to the use of specific malodor counteracting (MOC) mixtures of fragrance ingredients. More particularly, the invention relates to new MOC compositions capable of neutralizing or masking in an efficient manner malodors of a large variety of such as body or as malodors, kitchen malodors, toilet and bathroom malodors, and tobacco malodor. The novel MOC compositions of the invention contain at least one nitrile material in combination with another fragrance material and can be used in any finished consumer products such as air fresheners, kitchen or toilet/bathroom cleaning or freshening products, textile treatment products and products for application on the human skin or hair, or on animal fur, litter containers or cages.