In essence, the attachment has 11 comb lengths from 1mm to 3mm so you can choose a hyper-specific length like 1.6mm for your facial hair. For most people, this will be the only accessory they use.

If you're looking to fully upgrade your grooming routine, then you might want to check out the best body groomer for all-over hair removal, or, if you want to remove your facial hair completely ...