Varies; depends on blade type and maintenance.
Based on the information from imustacheyoutoshave.com, here’s a table listing the frequency of maintenance required for straight razors:
| Maintenance Activity | Frequency |
|---|---|
| Stropping | Every 1-7 shaves |
| Honing | Every 60-70 shaves or 6 months |
| Sharpening | As needed by a professional |