How to wash egg white Cleaning up egg whites in 1 min Warning! Only under adult supervision Equipment egg; citric acid; napkin. Step-by-step instructions Pour some citric acid on a spilled egg white. After just a few minutes, it’s easy to wipe everything up! Scientific description Egg white is alkaline and contains ovalbumin protein. When citric acid is added, the alkaline environment is neutralized, even becoming more acidic, and the egg white denatures! Let your children see the world through the eyes of a scientist with the MEL Science subscription!