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Kim Kardashian, Paper Magazine

Jean-Paul Goude/Paper Magazine

This slippery slope is a secret no longer.

Worry not, Kim Kardashian fans—the super-slick body oil from her jaw-dropping Paper magazine cover photo is now public knowledge. And (surprise!) it's not body oil at all that's responsible for Kim's shiny physique, but rather the Black Seed Dry Oil for hair from her Kardashian Beauty range in collaboration with Farouk System.

"I have a haircare line, it was actually my hair oil that I used...a little bit of that," the Keeping Up With the Kardashian star revealed to Fox FM in Melbourne.

A little bit—Okaaaaaay.

"You have to get creative with good lighting and oil," the 34-year-old added of her revealing photo shoot for the magazine's Winter 2014 edition.

The hair oil is one of seven hair care products launching next spring, also including a blow-dry cream and volumizing mousse to help users score Kardashian-esque tresses (or in Kim's case, a well-oil physique). The line is priced to fit the bargainista's budget, with each item ranging from $14 to $17 a pop, in addition to three heat-styling tools. And when Farouk Shami told WWD that he estimated the line would rake in a whopping $200 million in August, we wonder if he knew about Kim's plan for the seemingly simple hair oil. But hey, Kim's a savvy business woman!

For less than $20, this very versatile oil is clearly worth the investment—next up, #BreakTheHairCareIndustry.

Ready for more Kardashians? Check out the latest episode of Kourtney & Khloé Take the Hamptons, Sunday at 9 p.m. on E!