Schick Hydro Silk razors contain: Ι Water Activated Moisturizing Serum – hydrates throughout each shave and for up to 2 hours after to help replenish skin"s natural moisture Ι Five Curve-Sensing Blades – deliver an incredibly close shave and glides over a woman"s curves Ι Unique Skin Guards – smooth the skin while shaving helping to protect from irritation Ι Compact Oval cartridge shape – fits easily into hard to reach areas and is designed exclusively for the contours of a woman’s body.