They are also made of hypoallergenic materials that won't irritate or harm the skin and are suitable for people with sensitive skin. Compatibility: The Series 70S shaving heads are suitable for Series 7 razors, such as the 720, 720S-3, 720S-4, 720S-5, 730, 790CC, 700CC-3, 790CC-5, 795CC-3, 760CC, 760CC-3, 760CC- 4, 760CC-5, 765CC-3, 765CC-4, 765CC-5, etc.
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