It’s tempting to put a white item of clothing back into the closet after a spill-free wearing. After all, it looks spotless. But “body oils and perspiration, along with other time-released stains (like perfume, white wine, and oil splatters), will start to give a once-bright white a yellowish tint,†says Steve Boorstein, developer of the DVD Clothing Care (Day Light, $20, amazon.com).
