Laundry soap. Just lather the stain well and leave for 15-20 minutes.
Stain remover. Branded products like Vanish will do.
Boiling water. This method allows you to deal with fresh stains. You need to pour plenty of boiling water on the stain, and then wash the jeans in the washing machine.
Washing powder. Place the trousers in the bath and soak in hot water. Leave to soak for 2 hours and wash them in the machine.
Previously, we wrote about how to make perfume last longer.