A fine sandpaper is normally used and some wet sand the helmet. Clean it thoroughly with lacquer thinner on a clean soft rag. We used a lacquer based paint because it is harder and more durable. It’ll cover with less paint needed.Click to see full answer. Besides, can you paint a baseball helmet?Paint the entire helmet white with primer paint. Be sure the paint coat is smooth. Let the helmet dry in a cool, dry, dust-free place for at least three hours.Beside above, can I paint my ski helmet? Prime the helmet with one coat of primer. It is best to use a spray primer to ensure an even coat. Sand any drips of primer with fine-grit sandpaper once the primer has dried. Paint the helmet with its base color of paint, using either spray paint or traditional paint with a brush. One may also ask, what kind of paint do you use on a helmet? Paint your design with water-based acrylic paints and brushes. These water-based paints are safe to use on helmets. Let each layer of paint dry before applying the next one so that every layer can properly bond to the surface of your helmet.Can you use acrylic paint on motorcycle helmets?Acrylic paints as well as polyurethane paints both work well for helmets and the like. While polyurethane is easier to use IMO, it has safety and health issues.