Sorry, no longer available but see current Freebies by Mail at Freebies 4 Mom. Enter once for a chance at a free sample of Clarins Double Serum from their Facebook page. Once entered, you are eligible for the entire duration of the promotion. There will be a weekly randomized drawing of 1,000 winners that will be chosen to receive the samples for 4 weeks. This promotion begins Feb. 4 and ends Feb. 28.