French women are known for their effortless style. Now Clarins, the luxury French cosmetics company, makes it as easy to look good when you're on the go thanks to the new Clarins 4-Colour All-In-One Pen.

Reminiscent of the retractable multicolor pens you may have used in school, it contains three eye-liner shades - brown, blue and black - plus a nude lip liner. Beauty editors who've tried it are praising this pen because all the colors glide on smoothly, meaning the blue liner can also be smudged onto the lids and turned into a shadow, and the brown liner doubles as a brow liner.

To use, just push down on the color-coded slider and twist the pen to lower the selected shade. 

Limited Edition Clarins 4-Colour All-In-One Pen For Eyes & Lips, $30. Available at Belk, Macy's and Nordstrom.