1.【INSTANT AND PAINLESS】--- Micro-precision cutting system replacement head cuts so close with each pass, you’ll be able to achieve perfect skin. No redness or irritation. 2.【PERFECT FIT REPLACEMENT HEADS】--- The replacement Blade heads are perfect fit for good finishing and well touch flawlessly facial hair remover. 3.【EASY TO SETUP & USE】--- With a simple twist on and off design, the replacement heads for flawlessly hair remover are easy to setup and use. It’s recommended to replace the heads every 3-6 months for optimal performance.