The present application discloses that microcapsules have a volume average diameter d of 15 to 90 탆 and a shell weight ratio of 3 to 40% based on the total weight of the capsules, wherein the shell of the microcapsule comprises one or more polyureas, A process for preparing microcapsules, comprising the step of adding hydroxyalkylcellulose to a dispersion of polyurea microcapsules containing lipophilic components, and microcapsules and their uses are described.
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