How to remove sweat stains from a cap?

Hey, how do I remove sweat stains from a cap? The cap is no longer truly black because of the sweat stains. The stains won't come out in the washing machine. I've also scrubbed it in the sink with a brush, but it doesn't get clean. When it dries, the sweat stains appear again. How can I remove the stains?

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DerRoteApfel
2 years ago
  • See if the cap has a label with cleaning instructions. It’s best to keep you from it.
  • Prepare your own cleaning paste. Mix in a small bowl 1⁄2 cup of baking powder, 1 tablespoon of salt and 1 tablespoon of hydrogen peroxide.
  • Test the paste at a not visible place of the cap.
  • If everything is okay during testing, the paste carefully apply a soft brush to the inside of the cap. Focus on the cap welding tape.
  • Let the paste act for about 20 minutes.
  • If possible, the cap dip into cool, clean water to remove the paste. Otherwise, you can gently wipe them with a damp towel.
  • Then let the cap dry in the air. In order to regain its normal shape, you can stumble the cap over a rotating bowl or a similar object.

Cap by hand wash

See if you find a label with washing instructions on the cap.

Before you start washing, add a small amount of detergent or stain remover powder to a place of the cap that is not visible to others and rub it with a damp cloth. If the place turns, you should clean the cap with water.

At vintage caps we advise to be particularly careful. Why? The screen is made of plastic in some older caps and not, as usual today. This is especially the case with the styles made before 1983. So you shouldn’t soak these caps in water. Instead, just remove the spots so that your cap is not damaged.

Remove weld edges from cap

If you can clean the cap with more than just water, follow these steps here:

  1. Fill a sink or a bowl with cold or warm water. Then add a few drops of detergent or a tablespoon of stain remover. To maintain the color of the cap, you should do without bleaching agents or such alternatives.
  2. Turn the cap into water for about 15 minutes.
  3. rinse the cap with cold or warm water.
  4. Pour the cap carefully with a towel dry.
  5. Put the cap back in shape by putting it on a twisted coffee pot, a small bowl or another container that has the shape of a head.
  6. Let the cap dry completely.

Special care is required when cleaning baseball caps from wool. wool is known to be sensitive and can easily lose its shape. Use a mild, woolly detergent for cleaning caps of this type, dilute it in water and wash the cap carefully by hand.

Lg

verreisterNutzer
2 years ago

I have even severe transspiration problems and carry “Caps” with integrated welding band.

However, the color itself must not really change with regular flushing even with simple clear water.

Welding, however, also contains minerals which can gradually accumulate insoluble in water in the tissue in a similar manner to a “saline”.

In this case, a mild-acid washing solution (if appropriate, a little lemon/or ascorbic acid already suffices) in a longer period of time with more frequent stirring in a bucket could help to resolve the mineral residues.

You do not have to make the water ultra sour, but with enough of it, a PH reduction by 1 or 2 stages < 6-7 can already be enough.

You have to put this in enough water in the soaking time only regularly every hour.

Maria07090709
2 years ago

Washer, let warm water in the sink. Let the cap soak.

Jo3591
2 years ago

They don’t go out anymore, the coloring wasn’t sweating, probably a cheap China scrap.

verreisterNutzer
2 years ago
Reply to  Jo3591

At this point, I would like to sign SO in this thread, because I myself have severe transgression problems and carry “Caps” with integrated welding band.

The color in itself must not really change with regular flushing even with simple clear water.

However, welding also contains minerals, which can gradually accumulate insoluble in water in a manner similar to a “saline” in the tissue.

In this case, a mild-acidic wash solution could, among other things, help in prolonged softening with more frequent stirring in a bucket for resolving the mineral residues.

Waldmensch70
2 years ago

Probably not because they discolored the fabric.

putzfee1
2 years ago

Try this: mix 4 tablespoons of sodium with 4 tablespoons of water, apply this paste with a toothbrush and incorporate it into the fabric, let it act for about one hour, rinse thoroughly and let it dry.