Close the blinds fully
Dust both sides with a microfiber cloth, feather duster, or vacuum brush attachment
Mix warm water with a few drops of mild dish soap
Dampen a microfiber cloth with the solution
Wipe each slat from top to bottom
Dry each slat with a clean cloth
For stubborn spots, gently scrub with a soft sponge or toothbrush
Use a cotton swab for corners, cords, and hardware
Avoid soaking the blinds or using excess water
Avoid abrasive cleaners, bleach, or harsh chemicals
Open the blinds and repeat on the other side
Let the blinds air dry completely before closing them