Gillette fusion proshield chill flexball razor is an advanced cartridge designed with fusion proshield lubrication for less irritation and cooling technology for a soothing sensation while you have your morning shave gentle on your skin each cartridge is designed with new proshield lubrication bars before and after the blades to shield your skin from irritation while you shave top notch product features gillettes thinnest finest blade for less tug and pull proshield lubrication before and