You can put olive oil on plant leaves, but you should only do so sparingly.
Overuse of olive oil on plant leaves can cause problems and could close the plant leaves pores and also attract dust and debris and too much olive oil can even harm the plant.
Olive oil is safe to use sparingly to add shine to the plant leaves and you can add the small amount of olive oil to the plant leaves by adding it to a soft cloth or cotton pad and then gently wipe the plant leaves with the olive oil.
When the plants leaves pores are clogged as a result of too much olive oil, it can cause the plant to have trouble absorbing nutrients and cause trouble with the plants ability to breathe properly.
You can use milk to clean plant leaves as well as shine the plant leaves.
The lactic acid in the milk breaks down dust and dirt and the fats in the milk can also leave the leaves with a soft sheen.
To use milk to clean your plant leaves, simply mix equal parts of milk and water in a bowl, then dip a soft cloth into the milk and water mixture and gently wipe the plant leaves and ensure they don't get too wet.
Then you can wipe down the plant leaves with a clean, damp cloth to remove any excess milk and you can repeat the process every couple of months to keep the plant leaves shiny and clean.
The milk also contains some calcium and other nutrients which can be beneficial to the plant leaves.
The best thing to wash plant leaves with is plain water and a soft cloth dampened with the plain water.
You can spray some plain water on the plant leaves and then use the damp cloth to help clean the leaves and remove dust and grime.
If the grime is really stubborn on the leaves or you also have pests on the leaves you can use a mild soap and water solution.
You can also use some diluted vinegar or lemon juice to clean the leaves especially when they have hard water spots.
To clean and wash plant leaves you can also use a mixture of neem oil water and Castile soap in a spray butter and then use a damp washcloth to clean the leaves with.
When cleaning or washing the plants leaves you should support the the leaves with one hand while cleaning it with the other.
This makes it easier to clean the plant leaves and avoids bruising or damaging the leaves or plant.
A tablespoon of Murphy's oil soap in a quart of water can also work to clean the leaves when placed in a spray bottle and sprayed on the leaves of the plants.
Then you can simply wipe the plants leaves down with a damp washcloth.