RPC Bramlage Bellignat has developed and patented a perfectly hermetic sealing system that makes it possible to protect a sterile cosmetic formula without preservatives throughout the product’s use. The D.E.F.I. (exclusive intact formula device) distribution system guarantees the product remains sterile throughout its life even after opening. The system therefore enables large size packs to be created for increased consumer convenience compared to mono-dose, uni-dose and single dose formats.