Over 18 months your Braun shaving components cut over 6 000 000 hairs. Over time the cutting parts naturally start to wear down. We therefore recommend replacing the shaver head every 18 months to keep your shave to a few strokes and reset your electric shaver to new. By routinely replacing the shaver head your shaver body will remain in peak condition for years to come. Efficiency Routinely replacing the shaver head keeps your shave efficient with less strokes needed for greater skin comfort. Replace every 18 months Replacing the shaver head resets your shaver to new and ensures it will remain in peak condition for years to come. German Quality Every Braun shaver head is made with German craftsmanship How to replace your shaver head 1. Push up the old replacement part from the front to the back to remove it. 2. Click your new Braun shaver head into place to reset your shaver to new.