The present invention relates to a fragrance composition to be incorporated within core shell capsules preferably formaldehyde melamine and optionally urea capsules in order to reduce fragrance leakage from the capsules on storage in liquid, gel and soft solid household, laundry and personal care products and cosmetics which contain surfactants and/or solvents. The fragrance composition of the invention comprises: I) 60-100% by weight of at least 5 fragrance compounds fragrance compounds. 20-100% by weight of said fragrance compounds being comprised of at least 3 compounds having a molecular weight less than 325 atomic mass units.
