Jessica Alba's quirky beauty obsession will set you back $6.50.

Image via Instagram (@jessicaalba).

Given she’s a Hollywood actress, red carpet regular AND the owner of The Honest Company, you might assume that Jessica Alba‘s favourite beauty products come wrapped in gold leaf, encrusted in diamonds and attached to a hefty price tag.

In an interview with Elle, the 34 year old shared her latest beauty obsession – and it’s surprisingly affordable. As in, change from a $10 note kind of affordable.

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Alba says a friend introduced her to the approximately $6.50 TonyMoly Kiss Kiss Lovely Lip Patch.

“A fried of mine from work brought this lip mask in and I put it on. They were really happy I wasn’t talking for 20 minutes!,” she said.

What is this hilariously-named product, you ask? It’s a lip mask from Korea, but can be found and bought online.

Jessica wearing the lip mask. Image via Instagram.

Looking a little bit like gummy lollies, the single-use gel lip mask promises to make lips smooth, soft and "kissable." 

Blueberry scented, the mask is covered in serum and designed to be applied to dry lips and left on for 20 to 30 minutes.

It's also apparently a quick way to hydrate and plump lips without the need for any needles (or other more dangerous DIY methods that often come with disastrous results).

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She's also a big fan of the collagen eye mask. "It's like the same thing that goes on the lip but it goes right under the eye. I feel like it smoothes everything out," she said. (Post continues after gallery.)

Jessica Alba isn't the only celebrity who swears by this product - Lady Gaga recently posted a selfie using the lip mask while waiting for her hair to be dyed.

Image via Instagram (@ladygaga)

"While my hair keeps working I do a series of plant stem cell masks and collagen lip jelly masks. Good for hydration and plumping with no needles or silly bruising," she captioned the photo.

Unfortunately, with the secret out, it may be slightly harder to get your hands on one to try, with most sites now sold out.

RELATED: “The best lip treatment you’ll ever find isn’t even intended for your lips.”

However for about $AUD6.50 and with rave reviews, it might just be worth waiting for - we'll keep you updated!

Have you tried the lip mask or something similar before? What did you think?