When you wash colorful clothes for the first time—or anytime the color is still new—there’s a chance the dyes from those vibrant hues could bleed into your whites, leaving them dingy or tinted.

Just know that a light-blue shade like Billie’s will fade fast, so try to limit the number of times you suds up each week, says Welch, adding that "any time you wash your hair, you will wash ...