Maybelline New York is offering a free full-sized beauty product, available through a promotional ad on Facebook or Instagram. Participants can choose from products like Sky High Mascara, Fit Me! Matte+Poreless Primer, or Tattoo Studio Ink Pen Eyeliner. 

 To claim a free Maybelline product, participants need to interact with Maybelline's social media pages and keep an eye out for a specific ad to appear. Upon clicking the ad, they can fill out a form to receive their chosen product. This promotion is designed to engage customers and introduce them to popular Maybelline products, enhancing their makeup routine.