Do you know what caused this stain? First try, if the support allows, to wash off the dirt with soap and water. Also, be aware that old encrusted stains often go away with a little turpentine. Otherwise, you will have to try several methods in the hope of successfully removing a stain of unknown origin.
Clean a stain of unknown origin on the leather
To remove a stain of unknown origin from a leather, spray a little hydrogen peroxide on the stain. Attention: treat an invisible part of the leather first.
To remove a stain of unknown origin from suede:
- Soap the stain with a small amount of lukewarm water.
- Squeeze an absorbent paper to wick away moisture.
- Pass a brush stroke.
- Another effective detergent is steam from an iron.
To clean a stain of unknown origin on nubuck:
- Dab a cotton ball dampened with skin-friendly makeup remover onto the stain.
- If the stain resists, bring a little ammonia water on the cotton.
- If the stain is still stubborn, rub it gently with sandpaper.
- Other effective detergents: soap, cleansing milk.
Removing a stain of unknown origin from a fabric chair
- On a synthetic textile
To clean a stain of unknown origin on an artificial textile:
- Mix a large amount of water with soap and ammonia.
- Pour this mixture on a cloth and rub the stain.
- Wash with clear water.
- On cotton
To erase a stain of unknown origin on cotton:
- If the cotton is white: dab on the stain with hydrogen peroxide.
- Another effective detergent: bleach.
- If the cotton is colored: treat the stain with soap.
To remove a stain of unknown origin from silk:
- Dab the stain with ammonia poured on a cloth.
- If unsuccessful, take the silk to the press.
- Another effective detergent: vinegar.
To remove stains of unknown origin from satin:
- Clean the spot by hand with a special wool detergent.
- Use vinegar water with a sugar cube on the spot.
- If streaks remain, seek advice from a dry cleaning specialist.
To remove a stain of unknown origin from velvet:
- Rub the stain with a sponge soaked in ammonia water.
- Dry the velvet in an absorbent towel.
- If there are traces, erase them using a square of sandpaper.
To remove a stain of unknown origin from wool:
- Prepare a solution containing water, ammonia and soap.
- Rub the stain with a cloth dipped in the mixture.
- Remove detergents with a damp cloth. Wipe well.
If the stain persists, take your upholstery chair to the Professional Cleaners.
On natural fur
To get rid of a stain of unknown origin on natural fur, dab a cloth soaked in turpentine on the stain.
On synthetic fur
To overcome a stain of unknown origin on synthetic fur:
- Polish this spot with a cloth dampened with ammonia, soap and water.
To remove a stain of unknown origin from an oilcloth:
- Soap the surface well.
- Add turpentine to the sponge.
- Wash with clear water.
Removing a stain of unknown origin from wood
- On white wood
To remove a stain of unknown origin from white wood:
- Rub, respecting the direction of the wood, a square of sandpaper on the stain.
If streaks remain, try applying the following products:
- the juice of a lemon;
- lighter fluid;
- a special stripper four.
- On waxed wood
A stain of unknown origin on waxed wood? If the stain is white: remove the wax with 90° alcohol and apply another coat. Otherwise: polish the stain with a cork moistened with turpentine. If the stain remains, try applying the following detergents:
- powdered pumice stone dissolved in linseed oil;
- stain remover diminished in white spirit.
- On painted wood
To remove a trace of unknown origin from painted wood: rub this stain with a cloth soaked in diluted bleach. Wipe immediately. Another effective detergent: ammonia.