The electric shaver has seriously reduced the blood loss, but at the expense of closeness. So the primary disadvantage over regular shaving is, it is not as close. There are however a few tricks that can help you with closeness. Advantages are: no skin irritation, less cuts in the skin, no ingrown hairs (also called razor bumps or pseudofolliculitis barbae), no redness, no pain. More about electric shaving.

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