The invention relates to a core shell microcapsules containing a fragrance composition which comprises, prior to encapsulation: A) 40 to 100% by weight of at least one cyclic aromachemical material with a density between 0.950 g/cm3 and 1.500 g/cm3 and a ClogP value between 1.00 and 6.00; B) 0 to 80% by weight of at least one fragrance material with a density between 0.630 g/cm3 and 0.950 g/cm3; and C) 0 to 50% by weight of at least one oil soluble organic compound having a density between 0.950 g/cm3 and 1.500 g/cm3, where the sum of A), B) and C) equals 100%.