Yes they can be easy to wash away if timely action is taken. Ketchup stains are very common, especially among kids. Also ketchup sachets are used mainly during travel and in flights. Any spillage can substantially damage large portions of the fabric. Hence it is better to have a stain remover at hand.
To remove ketchup stains start by scraping off as much of the dried ketchup, or blotting up as much of the wet ketchup, as you can. Then pretreat the stain using whatever pretreatment you keep in the house. Then wash the garment as you normally would.
wash it with vinegar
wash it?
use detergent with a sponge
The solvent wash is highly effective in removing tough stains from fabrics.
Ketchup and a sauce pad.
grass, wine/juice, grease, ketchup
The hot water helps to dissolve any stains or scents that the clothes have. The soap cleans it.
wash them stupid
If the ketchup has dried you will want to remove the excess by scraping gently with a butter knife. Then sponge the stain with cool water and work a mild detergent (Dawn or Tide) will work. Rinse with cool water then pretreat the stain with a stain remover such as a Tide-To-Go pen. Wash and dry as usual.
Yes, have you ever used a stripper wash to remove stubborn stains from surfaces?
surfactants which is a chemical that you can wash your stains out