Got this info from here
http://wiki.ehow.com/Clean-a-Laptop-...ehold-Products
One of the warnings: Do not drink Isopropyl Alcohol. It is NOT grain alcohol. It is toxic.
# Dilute isopropyl alcohol into a mix with no more than 50% alcohol and the rest distilled water.
# Apply as needed to a cotton cloth, like an old T-shirt, lint free microfiber cloth, or other very soft cloth.
# Wipe cloth against the screen, in a counter-clockwise or other consistent motion.