The Nourish Hyaluronic Moisture Boost Serum by Trader Joe's is a hydrating serum that contains hyaluronic acid, which helps to attract and retain moisture in the skin, promoting hydration and plumpness. It also includes other beneficial ingredients that can provide nourishment to the skin. However, it is important to note that individual results may vary, and some users may find the formula to be too lightweight for their needs. Discontinued