They are spraying scent onto their suicide vests so they can take the perfume into the after-life.
The bizarre habit was revealed in a Twitter photo showing a masked fanatic being doused in perfume while another man packs his body with explosives.
Jihadists also believe the blood of martyrs carries its own fragrance to spur on surviving troops in their fight take over all of Syria – known as ‘Shaam’ by the regime -and Iraq.
Brit fighter Khattab Al Muhajir tweeted: ” Shaam has been fragranced with the smell of musk from the blood of the Shuhada.’’
Another Isis terrorist wrote: ”A brother died today and I swear even when they carried his body away we could still smell his fragrance.’’
Intelligence experts say the aftershave ritual shows how the terror network has indoctrinated its forces into believing they are fighting a holy war to introduce medieval Sharia law to its conquered lands.
There is no mention of 72 virgins awaiting martyrs in the Koran and suicide is forbidden by Islam.
But Isis scholars have latched onto an inaccurate translation of the Islamic holy book to spur on its fighters.
”The controversy is due to the poor translation of one verse.’’
Investigators found documents indicating the terrorists behind the 9/11 attacks on New York and Washington that killed 3,000 in 2001 were driven on by the prospect 72 virgins awaiting them in paradise.