article_snippet: Make sure blades are not old or dull: 
article_snippet: The lifespan of razors can vary depending on how often The lifespan of razors are used and how hard.
article_snippet: As a general rule if the razor begins to drag or doesn't cut as closely as before, replace the blades.
article_snippet: Tapping their razor causes the precision blades to misalign which affects the cutting quality, but also how long the blades will last.
article_snippet: Tapping the razor causes the precision blades to misalign which affects the cutting quality, but also how long the blades will last. '