The time for a cut to heal varies considerably, and depends on the site, the depth, the cleanliness of the injury, and the subsequent therapy including the superficial skin care that is provided. Creams with Vitamin E and aloe may help, and oral dosing with Vitamin C and zinc could be beneficial.
Lead in paint is not likely to cause any problem on normal contact once the paint has dried. Severe toxicity can occur if flakes of dried lead-based paints are eaten, and this can occur when children play around in buildings where old paint is peeling off surfaces.