sentence: Electric razors use electricity to either make blades rotate or oscillate.
sentences_before: The electric razor was the next big step. With electric razors, shaving cream, soap or water is no longer needed.
sentences_after: The razor is usually powered by a rechargeable battery. Alexandre Horowitz invented the concept of rotating blades which is still marketed  as 'Philishave' by Philips.
concept_name: electric razor
headings: Razor Electric razors For face and body hair
categories: Hair Cutting tools Hygiene