Estee Lauder is offering free samples of its Advanced Night Repair Serum in the mail. This is for select Facebook accounts. Try liking the Estee Lauder Facebook page and visit 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. Experience the next generation of revolutionary formula ¡ª the most comprehensive Advanced Night Repair serum ever. This deep- and fast-penetrating serum reduces the look of multiple signs of aging caused by the environmental assaults of modern life. Skin looks smoother and less lined, younger, more radiant and even toned.