The Braun Clean&Renew cleaning cartridge (8-pack) offers an improved cleaning formula for outstanding hygiene and the longevity of the shaving system. The cartridges are enriched with caring oils that protect the blade and provide protection. The alcohol-based cleaning fluid ensures a hygienic cleaning result by efficiently removing beard hairs and skin flakes from the shaving head and retaining them within the system. The Lemonfresh lemon scent leaves a pleasantly fresh feeling after each shave. Environmentally friendly and easy to replace, these blue cartridges are compatible with almost all Braun cleaning centers and promise about 30 cleaning cycles per cartridge.