Whitewash paint is a mixture of lime and water which is used to brighten walls and fences. The addition of the lime makes for a brighter finish. Since the paint is often used outside, you may have to touch up or repaint the area on occasion. If the paint is peeling and badly damaged, then you will want to remove the old whitewash and start from scratch as this will give the surface a cleaner appearance.
Wear your solvent-resistant gloves and prepare a liquid paint remover following the manufacturer's instructions. Use a nontoxic and environmental friendly solvent particularly when applying it in the open. Commercial solvents can be purchased in a paste form or as a liquid.
Apply a coat of the paint remover on the whitewashed surface using a paintbrush or roller. Allow the coat to set for the time instructed on the product label before attempting to remove it.
Use a scouring pad or fine steel pad wool and scrub the whitewash paint to loosen it from the surface. Reapply the solvent as needed to dissolve any residue until it has been neatly removed.