The Triple Fix Serum Foundation in Vanilla color by LYS Beauty is a medium coverage foundation that leaves the skin feeling hydrated and lightweight. Miranda, the reviewer, praises the beautiful and heavy component of the product. She mentions that the foundation feels nice on the skin, without any heaviness or thickness. After finishing her face, Miranda is impressed with how good the foundation looks. She also shares a discount code for those interested in purchasing from LYS. Overall, the foundation seems to be a great option for those looking for a medium coverage foundation that provides hydration and a natural finish.