They are the lips that have launched a thousand TikTok videos trying to answer—what products does Hailey Bieber use to get her perfectly pouty lips? As of last week, we're officially one step closer to knowing.

What makes the product so unique is how multifunctional it is. Either follow the natural lip line, overline for extra volume or fill in the lips entirely. For nourished lips with

The Peptide Lip Shape isn't a lip liner though, per se. It's meant to be a contour for your lips to add definition and color while also making your lips look and feel more plump and hydrated. The formula actually features peptides,