1. Remove the razor cartridge from its packaging. 2. Ensure the razor handle is compatible with the cartridge. 3. Align the cartridge with the handle and gently slide it into place until it clicks. 4. Wet your face and apply shaving cream or gel. 5. Hold the razor at a 30-degree angle to your skin. 6. Use smooth, gentle strokes to shave, rinsing the blades under water as needed. 7. When finished, rinse the razor and allow it to dry.