The test system includes the six DNA markers previously used in a test for eye colour known as Irisplex, combining them with predictive markers for hair.

BBC: Forensic test can predict hair and eye colour from DNA

The study paves the way for a forensic test that could estimate the hair colour of a suspect from DNA left at a crime scene.

BBC: Hair colour predicted from genes

Scientists have developed a forensic test that can predict both the hair and eye colour of a possible suspect using DNA left at a crime scene.

BBC: Forensic test can predict hair and eye colour from DNA