Clean newly acquired feathers to remove any dirt or debris. Soak them in cold water and gently wipe the dirt away.
Rinse the feathers with lukewarm water and place them in a box. Sprinkle hardwood sawdust over the top of the feathers to remove moisture. Remove the feathers and shake them gently to remove the sawdust.
Dust peacock feathers often with a feather duster or microfiber cleaning cloth to remove dust.
Clean peacock feathers every few months to remove any built-up dust or dirt. Wipe each feather gently with a clean, damp cloth.
Store feathers that are not on display in a cedar or airtight box. Keep moth flakes in the box to prevent damage from moths.