Found in acne treatments, face washes, spot creams, and even some toothpastes.
It’s a powerful bleaching agent — not a stain, but a chemical reaction that removes dye from fabric.
Why it doesn’t wash out: The color is gone. No amount of bleach or stain remover can restore what’s chemically stripped away.
💡 Pro Tip: Benzoyl peroxide stains often appear after just one use — the more you apply, the worse it gets.
2. Iron & Rust in Water (Especially Well Water)
High iron content in water causes rust-colored deposits on fabrics during washing.
These stains are reddish-orange and often speckled, like freckles across your towels.
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