Hair rings were used to adorn wigs and Egyptian hair. The Egyptians wore their hair in many styles, and this helped distinguish social classes. A wig-maker was a professional job in Ancient Egypt, and there is evidence of the use of henna to remove grey hair, and anti-baldness remedies. These hair rings were usually made of ivory or jasper.
To learn more about the use of jasper in ancient jewellery please see our relevant blog post: The History and Mythology of Gemstones in Ancient Jewellery.