Oster Cryogen-x Spare Blades

By means of a unique cryogenic curing process, these shaving heads are averaged at 15 ° C cooler than standard shaving heads, and therefore last longer. In addition, the revolutionary Agion (TM) technique is being used for the first time with razors. Agion (TM) is the world's most widely-known inorganic active ingredient against bacteria, fungi and mites. Silver is used as an active additive. Also fits on PowerPro Ultra Keep cool about 15 ° C cooler than conventional razor blades