Very lightly used (less than 6 times) and kept in a smoke free house. From the website description: "Brighten, resurface, renew, tighten, equalize, and defend with one complexion-boosting compound. A clean, high-performance formula designed to optimize your daily beauty regimen without sacrificing results. Smoother, brighter and revitalized-looking skin begins to emerge within only 3-6 days. Pores look diminished, skin appears to brighten as dark spots, fine lines and wrinkles visibly fade." https://ubeauty.com/products/resurfacing-compound?variant=31372618956900