There are about twice as many celebrity skincare tricks as there are celebrities out there.

Heck,Kourtney Kardashianeven features new beauty items every month on her Poosh website.

It’s overwhelming to say the least.

Olivia Munn wearing red lipstick on the red carpet

Actually, it’s tastier too.

Celebrities spend an incredible amount of money on their skincare items.

It’s investing in yourself and there’s definitely no shame in that.

Olivia Munn standing on the red carpet

It just does make it easy for the rest of the world to keep up.

This time, she’s telling us her grocery list.

It turns out that there’s one food item that has as many skin benefits as your nightly serum.

Japanese potatoes broken open and steaming as skincare items

Oh, and they’re less than $5 onInstacart.

According toShowbiz Cheat Sheet, Munn eats Japanese potatoes as a part of her skincare routine.

Yes, you read that corectly.

Olivia Munn looking over her shoulder on the red carpet

“I’ve talked about this before and I still stand by it,” Munn says.

“Japanese potatoes that are high in hyaluronic acid help keep wrinkles away.”

That’s the exact same ingredient that you likely alreadyhave in your skincare routine.

Because it’s a naturally occurring ingredient, it’s also found in the Japanese potatoes.

The big catch is that you’re ingesting it, instead ofrubbing it on your skin.

The Japanese potato has a much different flavor than your typical russet or sweet potato.

Actually, it’s so sweet that Munn eats the potato as a dessert.

I’ll eat those as often as I can a couple every day."

The publication also suggests whipping them into a key in of mashed sweet potatoes or baking them into bread.

No matter how you cook it, you’re still getting the added bonus of hyaluronic acid.

Of all the different skincare tips out there, this is by far one of the most delicious.