Covergirl is offering a FREE sample of Clean Fresh Color Correcting Serum +Primer through a Sponsored Ad on Instagram and Facebook (see screenshot below). There is no way to link directly to this. If it doesn't show up immediately after checking their page, try the tips below.

Tip to get the Pop Up

1. Like COVERGIRL on Facebook or follow @covergirl on Instagram then like a few of their posts.
2. Search "Covergirl Clean Fresh Color Correcting Serum +Primer" on Google, Facebook and Instagram then scroll down through the results page for a few seconds.
3. Close everything out.
4. Browse your newsfeed like normal and watch for the free sample offer post to possibly show up in a day or so.