Multi-part skin care methods comprise providing a plurality of first portions, and providing a plurality of second portions. Each first portion is configured to have a complementary shape to each second portion. Each first portion is configured to engage with each second portion to form a multi-part skin care bar. Multi-part skin care systems comprise a plurality of first portions, and a plurality of second portions. Each first portion comprises a first engagement portion, and each second portion comprises a second engagement portion. Each second portion is configured to be coupled to each first portion via the first engagement portion and the second engagement portion to form a multi-part skin care bar.
