About product

• Small and portable, it does not require batteries
• Simply bend and roll on the hairy area of chin/face
• Hair grows back thinner and less course over time
• Suitable for sensitive skin
• Includes a box and instructions leaflet
• Uses a unique rotary system

Demonstration video can be found here:
https://www.youtube.com/watch?v=S2T604OLpJg&t=9s

A peak flow meter is a hand held device which measures the amount of air which someone can push through their bronchial tubes in a single rapid burst.