For optimal cutting and gliding performance of the blade, we advise you to replace the blade every 4 months* or when it no longer provides the shaving or trimming results you expect. In a similar way to a manual blade, the blade becomes blunt over time, which results in increased hair pulling and reduced cutting performance.
*The advice to replace every 4 months is based on two full shaves a week. Depending on usage behavior the exact lifetime of the blade could be longer or shorter.
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