Most spring facial epilators use a metal coil spring combined with plastic handles or housing; some listings specify stainless-steel springs and plastic components.
The listings include manual spring/threading tools (no external power) and electric epilators.
A coiled spring (or roller) traps multiple hairs between its coils; when the spring is twisted or rolled, it pulls the hairs out from the root in a quick motion.
Yes—these devices are described as small, lightweight and travel-friendly. Some listings offer trial/mini sizes and include compact dimensions and net weight information.
Listings describe root removal as providing longer-lasting smoothness than shaving; one electric model notes results of up to one month of smooth skin. Actual duration will vary by individual hair growth.