Glossary
Plain words for technical terms.
The terms on our boxes and product pages, explained simply.
- IPX6, IPX7, IPX8 (waterproof rating)
- An international rating (IEC 60529) for how well a device resists water. IPX6: protected against strong jets of water. IPX7: protected when submerged up to 1 metre for 30 minutes. IPX8: protected under longer or deeper submersion, in conditions set by the manufacturer. The X means dust protection was not rated.
- Sonic
- A brush head that vibrates very quickly, in the range of sound frequencies, so the bristles sweep in short, fast strokes.
- Water flosser
- A device that sends a thin, pulsing stream of water between the teeth and along the gum line.
- Ultrasonic, kHz
- Vibration faster than human hearing, above 20 kHz. kHz (kilohertz) means thousands of vibrations per second: 38 kHz is 38,000.
- Microcurrent
- A very low electrical current, measured in millionths of an ampere, used in some facial care devices. Read the safe-use notes before use.
- mAh (battery capacity)
- Milliampere-hours: how much charge a battery holds. For the same device, more mAh usually means longer use between charges.
- Standby
- How long a charged device keeps its charge when it is not being used.
- USB-C
- The small, reversible charging connector used by most new phones and laptops.
- Callus remover
- A device with a rotating head that gently files away hard, dry skin on the feet.
- CE and TSE
- The CE mark shows that a product meets European Union safety requirements. TSE is the Turkish Standards Institution, which certifies products against Turkish standards.


