Nano rings (like micro rings) are made from copper. They are one of the most popular methods on the market right now, the essential difference is that nano rings are 90% smaller than regular hair extensions application rings. Typically they are around the size of a ballpoint pen nib. The hair extension strands that are attached using nano rings are known as Nano Tip hair.
This is an individual Method and can be refitted every 6-8 weeks