RE: After the Blue-Whale, the new horror name 'Condom Snorting Challenge'! What is that challenge?

"Danger Triangle" or "Triangle of Death" is the area of the face that include the nose and top lip.

This area is packed with blood vessles that can rapidly spread infection to other areas of the skull.

The infection can cause many complications leading to vision loss, sinus infections, paralysis of the face, meningitis and blood clots that can increase the chances of stroke and death.