A multi-layered microcapsule containing one or more active ingredients and
process for preparing the same is disclosed. The multi-layered
microcapsule comprises an inner solid microparticle core, typically
composed of a biodegradable polymer, and having one or more alternating
layers of polymer, active ingredient or polymer/active ingredient
mixtures to produce a multi-layered microcapsule wherein the polymer or
active ingredient in each layer may be the same or different or have the
same or different concentration of the polymer or active ingredient in
other layers.