"That's my first time crafting," she said. "I'm going to pull out my glitter gun later," said Ardern in a Facebook video showing her crafting a simple red mask, the colour of her Labour Party.
In the video made with local community health leader Dave Letele, Ardern, who faces a general election in October, can be seen putting her mask together with a patch of fabric and two elastic hair ties.
The Pacific nation of 5 million people had seemed to stop community transmission of COVID-19 due to tough lockdown measures but reintroduced restrictions in its largest city, Auckland, this month following a fresh outbreak.
JACINDA ARDERN: OK. So we've both got our red cloth. I want everyone to know, we didn't organize this beforehand. But this one's kind of the same size as-- your's a decent size. So mine's about the size of a handkerchief.
DAVE LETELE: I've got a big head.
JACINDA ARDERN: Yeah. So I've got-- I don't know if you have-- I've got two hair ties. So maybe you might need to tie yours. But mine's not long enough to tie. So I've got two hair ties. Your hair's not long enough for that.
So I'm going to turn mine in, fold it in over itself so that it's-- so I've folded it like this. Yep. Now yours, is yours just going to tie all the way around your face?
DAVE LETELE: Yep.
JACINDA ARDERN: Will yours just tie around? Yeah, so yours is not too bad there.
Mine's a bit shorter. So what I'm going to do is I'm going to put a hair tie on each end. I'll show you. It's going to look a bit like a Christmas cracker. So mine looks like a Christmas cracker. Then I'm going to fold it in on it itself, like this.
DAVE LETELE: OK. Ah, yeah.
JACINDA ARDERN: Yep. And then this bit doesn't look fancy, but there you go. A piece of cloth and two hair ties.
DAVE LETELE: It's perfect.
JACINDA ARDERN: That's my first time crafting. And I can tell you, I had it laid out on a desk, so I have proof that I did that in the office today. I'm going to pull out my glitter gun later.