FREE La Roche-Posay Vitamin C Serum Sample by Mail January 12th, 2021 By Nicole Leave a Comment This post may contain affiliate links, which means I will make a small commission if you click and make a purchase. FREE La Roche-Posay Vitamin C Serum Sample by Mail Hurry and claim a FREE La Roche-Posay Vitamin C Serum sample. While supplies last. Looking for more FREE Samples by Mail? Click here. Never miss another deal! Subscribe to our FREE email newsletter or follow us on Facebook. Thanks for stopping by!