What is water-based polyurethane and how does it differ from other types of polyurethane finishes?

Water-based polyurethane is a type of finish used to protect and enhance wood surfaces. It differs from other types of polyurethane finishes, such as oil-based polyurethane, in that it is made with water as a solvent instead of oil. This makes it less toxic, dries faster, and has a lower odor compared to oil-based polyurethane. Additionally, water-based polyurethane tends to have a clearer finish and is more resistant to yellowing over time.