Using baking soda:
1- Sprinkle baking soda on the surface of the cushion.
2- Leave it for 1 hour.
3- For an additional effect, mix the baking soda with a few drops of aromatic oil.
4- Remove the baking soda with a brush or vacuum cleaner.
Using talcum powder:
1- Sprinkle talcum powder on the cushion.
2- Leave it for a few hours.
3- Remove the excess with a brush or vacuum cleaner.