Graphene Dyed Hair 2 (IMAGE) Cell Press Caption This photo shows blond hairs before (left) and after (right) being dyed by a graphene-based pigment (structural model shown on the right). Credit Chong Luo Usage Restrictions Credit Required License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.