Here’s how it works. The Philips Shaver S9000 Prestige may be expensive, but it’s equally adept for wet and dry shaves, has a high-end build and can be used with multiple head attachments.

The battery life is measured in weeks, and the setup is easy. Not to be confused with the Philips Shaver Series 7000, the 7000 trimmer is designed mostly for stubble and body hair, although it can ...