Heat (from hot water washes) and oxygen make the stains worse by oxidizing the iron.
â Common in rural areas with well water or older plumbing systems.
Hard water (high in calcium/magnesium) reacts with detergents, leaving behind yellowish film on towels over time.
Combined with body oils and sweat, this residue can darken into orange-tinted buildup.
4. Sunlight Fading + Chlorine Exposure
Prolonged sun exposure breaks down dyes, especially in colored towels.
When combined with chlorine from pools or cleaning products, faded spots can turn brassy or orange-toned.
â How to Prevent Orange Towel Stains
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