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Those unexpected orange spots on your dark towels? The main culprit is benzoyl peroxide, a common acne-fighting ingredient found in products like PanOxyl, Clearasil, Neutrogena, and certain prescription creams.
While excellent for clearing breakouts, benzoyl peroxide is a strong oxidizer—essentially a liquid bleach. When it touches fabric, it doesn’t leave a typical stain; it strips the dye from the fibers.
Why the Marks Appear Orange
On dark towels—navy, black, or charcoal—the bleaching effect often leaves bright orange, yellow, or pinkish patches. These are the base colors of the fabric, revealed after the top layer of pigment is removed.
A simple tip: lighter spots indicate bleach-like damage, whereas darker spots are just regular stains.
Why They Can’t Be Washed Out
Once the color is gone, there’s no way to restore it. No detergent, scrubbing, or stain remover can reverse the effect. Washing affected towels with other laundry may even transfer residual benzoyl peroxide, creating new marks.
Other Potential Causes
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