The first time I noticed it, there was a strange neon-orange spot on my favorite gray hand towel. It didn’t look like a usual stain—it almost seemed to glow. At first, I thought maybe rust from the towel bar or a spill I forgot about. Confident it would wash out, I added extra detergent, but the stain stayed exactly the same.
It wasn’t just one towel—soon others showed the same stubborn orange marks, making my bathroom look like the home of a pumpkin spice ghost. The main cause, I discovered, was benzoyl peroxide, a bleaching agent found in many acne treatments. This chemical doesn’t just stain; it actually removes the dye from fabric, leaving behind orange or yellow patches especially noticeable on darker towels.
Rust and iron in water are another culprit, especially in homes using well water. Iron binds to fabric and leaves rusty freckles that don’t wash out easily. When I experienced this at a friend’s house, I learned that laundry additives made to bond with iron can prevent these stains.
Hair products like color depositing shampoos and self-tanners also cause stubborn orange marks by transferring pigment onto towels through friction. Cleaning products that contain bleach or peroxide can create similar spots if you dry your hands with a towel right after use.
After discovering these causes, I changed my routine: white towels for skincare, waiting for products to dry before touching fabric, and using rust removers where needed. Some damage is permanent, but understanding the cause makes prevention much easier.