BLUESTAR® FORENSIC is significantly more sensitive than other presumptive blood tests. It can reveal bloodstains down to dilutions of 1:100,000. Invisible stains react instantly with an intense blue chemiluminescence (430 nm wavelength), visible to the naked eye even in partial darkness.
Its sensitivity is so high that it can detect blood in quantities smaller than those needed for DNA typing. It also reveals invisible or microscopic blood droplets, especially against dark backgrounds. BLUESTAR® can be sprayed multiple times on the same area, making it easier to observe and photograph or record using standard equipment.

Blood at dilutions from 1 to 1:1,000 before (in daylight)
and after spraying Bluestar(photos shot in darkness)

According to the French National Gendarmerie Criminal Research Institute (IRCGN):
“This new BLUESTAR® solution offers many advantages over classic luminol. The luminescence is stronger, lasts longer, and doesn’t require total darkness. It is also more stable and can be used several days after preparation.”