Clean leaf (Left) and dirty leaf (Right)
Mix 1 tablespoon of mayonnaise with about t teaspoon of water to make a smooth paste.
Dip a soft cloth, duster or paper towel into the mixture.
Spread the mixture over the leaves, gently rubbing in circles over any areas that are dirty or marked.
Do this for all the leaves, then wipe them clean with a dry soft cloth.
Once wiped clean, your orchid leaves will be clean and shiny!