Does DEET not KIll insects?
It repels them, it doesn't kill them.
re·pel·lent
riˈpelənt/
adjective
1.
able to repel a particular thing; impervious to a particular substance.
"water-repellent nylon"
synonyms: impermeable, impervious, resistant; More
2.
causing disgust or distaste.
"the idea was slightly repellent to her"
synonyms: revolting, repulsive, disgusting, repugnant, sickening, nauseating, stomach-turning, nauseous, vile, nasty, foul, horrible, awful, dreadful, terrible, obnoxious, loathsome, offensive, objectionable; More