The Essential Step-by-Step Guide to Whitening Your Whites

You can surely keep your whites looking crisp, but after a few wears, they might never look fresh-from-the-store perfect, no matter how hard you try. White fabrics are typically treated with optical brightening chemicals that boost whiteness, but they eventually wash out over time.

White-Hot Tip: Annoyingly, storing whites in the dark can even cause yellowing, which is especially frustrating for those who do the seasonal closet switch. Storing items in acid-free tissues and non-plastic boxes can help.