In principle, a single-blade razor is just as safe as other razors. Moreover, it has been tested according to almost all relevant laws and regulations both within and outside the EU. However, it remains important to be careful.
-Do not apply pressure while shaving; the blade is designed to exert just the right pressure on the skin without damaging it.
-Hold the razor at an angle of approximately 30 to 35 degrees.
-Replace the blade on time.
-Preferably shave in one direction with calm, even strokes.
-If necessary, practice on your arm first. A new technique can take some getting used to, so take your time and work slowly.