Customizable and refillable, the new Rouge G lipstick cases come in an array of designs with a secret double mirror. Pair them with the new Rouge G Customizable Lipstick Refill (sold separately) to design your complete lipstick. Guerlain's iconic jewel lipstick has been reinvented in an ultra-caring, skincare-based formula. The new Rouge G lipstick cases are only compatible with the new-generation lipstick refills and vice versa.