For every ad of its foundation that I come across, I'm promised the perfect shade match and amazing coverage with every single swipe. The before and after images always make me do a double-take ...

However, I've often been skeptical of the bold before-and-after images of flawless full coverage and the claims that the brand's PowerMatch quiz will spit out your perfect foundation shade match ...

If you've spent any time online recently, you've probably noticed the buzz around Korean beauty products — and one name in particular keeps popping up: Tirtir's Cushion Foundation. Nicknamed ...