Description:1. Skin-Friendly: 18K-gold plating of the replacement head providing the feature of hypoallergenic. It makes the blade cover of replacement head is gentle on all skin type. You can removes your facial fair smoother and feel comfortable with the smooth Special Designed blade cover for smooth and painless hair removal. No irritation, no bumps. 2.Twist and Off design: It is recommended to replace the blade heads every 3-6 months for optimal performance. A simple Twist On and Off design provides the easiest way for your replacement of the blade refill. 3. Neat and Clean Packaging: Each order contains 6 hypoallergenic replacement heads refill and 1 cleaning brush. All items are packed in a clamshell tray with cover in order to keep the items from dust, dirty as the new gold standard of beauty product refill. Keep the items are tidy and clean to your hands.