Her job requires her to tolerate farting, pangs of body odour and kids who cough in her face.
But face and body painter Queenie Ong grins and bears it, all in the name of being professional.
"I'd be engrossed in creating a butterfly or a tiger around a child's eye or nose... then a cough hits.
"I get bits of what comes out, because I am so close, right?
"It's pretty common," she says, smiling at this reporter's expression of sheer horror.
"I've also experienced getting the stink when a client breaks wind," she says with a chuckle, adding that adults usually conceal their farts better.
Armed with a kit of body paints, brushes and sponges, this 36-year-old mother of one gets hired to let her creativity run amok on human skin, which she counts as her favourite type of canvas.
"Sometimes I paint on paper, but the living canvas is my favourite," says the former lawyer, who is working as a teacher at enrichment centre The Learning Lab.
When she is not among students, she dresses up as a fairy or unicorn to decorate the faces and bodies of kids and adults at functions like birthday parties, roadshows and charity carnivals.