You could get a free L’Oréal Paris Revitalift Derm Intensives Glycolic Acid Serum Sample in the mail. This is for select Facebook accounts. Try liking the L’oreal Facebook page and visiting their website. Then keep an eye for the offer in your Facebook or Instagram newsfeed (see below a screenshot of the post to look for). You might see the offer right away or in a few hours or days.