Together with its sister product Aerogard, a popular insect repellent, Mortein is widely used in Australia and is marketed internationally.

Hagemann introduced a liquid version in 1928, combining this with kerosene and had a flit gun designed which allowed the insecticide to be sprayed into the air or onto the pests themselves.

The brand's previous long time slogan and logo was "When you're on a good thing stick to it", accompanied by an illustration of a running dog with an insect attached to the tip of its tail.

Mortein "Insect Seeking Fly Spray" uses the active ingredients Allethrin (2.09 g/kg) and Resmethrin (0.39 g/kg), both Pyrethroid neuro-toxins.

[6] Another study found an association between exposure to pyrethroids and the prevalence of biochemical markers for ADHD in developing mice.

[10] Paired with a jingle created by James Joseph (“Jimmy”) White and used in animated TV commercials since 1962, he proudly sings of his own dirtiness, claiming to be afraid of no-one except "the man with the can of Mortein."