Free Lip Gloss. Grab this free lip gloss from Aeropostale. This is an in-store freebie and you will have to have a coupon. Click below and print the coupon on the next page. Hurry into your local Aeropostale because this offer is only available today, 4/5/2013. If you are planning on being near one of these stores today, go in and get a free full size sample of their lip gloss.