Crazy fact: did you know that we can waste up to 5 gallons of water a day just from washing our faces? InStyle.com reports that this Earth Month, Kristen Bell is joining Neutrogena Naturals and The Nature Conservancy for their Wipe for Water movement to help raise awareness about conserving water. How? The actress is going seven whole days using only Neutrogena Naturals' Purifying Makeup Remover Cleaning Towelettes, ($7) to cleanse her face—no water involved. She's doing it…could you? Click the inspiring video above and get yourself involved!