Rivaj Flawless Smooth Shave Razor has 2 built-in blades for a smooth, close shave without uncomfortable pulling or irritation. Rivaj Flawless Smooth Shave Razor is specifically designed to protect skin from shave irritation. They contain a proprietary irritant defense bar and optimally placed blades that allow them to cut hair with only a few millimeters of skin contact. The razor refills have a precise Trimmer on the back of the blades to help with tricky areas.