Abstract: A capsule delivery system. The system has a first capsule containing a first capsule wall encapsulating a first active material and a second capsule containing a second capsule wall encapsulating a second active material. The first and second capsules differ in their wall materials, amounts of wall materials, ratios of wall materials, core modifiers, scavengers, active materials, curing temperatures, heating rates, curing times, or a combination thereof. Also provided is a consumer product containing this capsule delivery system.