A group of researchers from the University of Kent has revealed on Thursday that a new technique has the potential to help forensic investigators in examining lipstick marks at a crime scene.

A brand of lipstick could be identified without its removal from the bag and with successful avoidance of contamination. Whether the mark is on a tissue or glasses or cigarette butts, it would be identified without any compromise on the continuity of evidence.

The sample would, reportedly, be kept isolated in the bag wherein it would be collected.

The team told that in order to analyze the lipstick marks, the investigators would need to use a technique dubbed Raman spectroscopy. The same would help find physical contact shared by two individuals, may they be a victim and a suspect. The technique could even help in placing an individual at a crime scene.

The new technique is being claimed to be ideal for it can be used through transparent layers.

It is being said that the present examination of lipstick traces have been relying on destructive forensic techniques or possibly on human opinion.

"Continuity of evidence is of paramount importance in forensic science and can be maintained if there is no need to remove it from the bag", said Michael Went, Kent forensic scientist.