TrySpree is offering free samples of L'Oreal Absolut Repair Molecular Rinse-Off Serum. To potentially receive one, participants must interact with the brand's social media. 

 The promotion involves interacting with L'Oreal's social media accounts by following them, liking, and commenting on posts, and searching for the product online. The free sample appears as a sponsored ad on platforms like Instagram, Facebook, and TikTok, where users can claim it through the 'Get Sample' button. This method aims to increase visibility and engagement with the brand's social media presence.