Why do mysterious black stains appear on clothes after washing?
Clothes emerge from the wash with unexpected dark or black stains, often forming along the seams, that resist bleach and ruin garments. This leaves people unable to remove the damage, stop it from happening, or figure out what causes the spots in the first place.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Looking up polyquats
- 2Checking if the washing machine is dirty
- 3Treating as potential oil stains
- 4Spraying with spot cleaner before washing
- 5trying to bleach the fabric
- 6dyeing the garment white instead of bleaching
- 7trying to fix it with a fabric marker or fabric paint
- 8retiring the fabric to a cleaning outfit or bedtime wear
- 9bleaching the entire piece white
- 10dyeing the entire garment a darker color
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
“I was going through my hamper before I threw my clothes in the laundry machine today, and I noticed these stains had developed. Didn’t go away after they went in the machine. What on earth could this be?”source ↗
“This is an irreplaceable and very sentimental shirt so I will be devastated if it is something truly permanent that can’t be fixed”source ↗
“Been having this constant black stains that ruins all my clothes. Please let me know what are these and how can i remove the stain / stop it from happening.”source ↗
“I washed this vintage jacket today (white, 100% cotton ) with cold water and after washing, it suddenly formed these dark edges at the seams.”source ↗
“I already tried to bleach it but nothing happened. I don´t know what to do?”source ↗
“What I don't get is, how on earth did it get on my back? I didn't really do anything that day, it was raining.”source ↗
Where this came up
People with this problem also raised
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- 8Why does my clothes dryer sound like a loud vacuum?
- 18How to get stubborn makeup out of white clothes
- 7How to get an unknown stain out of a vintage handmade pillow
- 5Why is my dishwasher getting filthy right after deep cleaning?