Is there any harmful effect on health from using aluminum foil facing?

There are no significant health risks associated with the use of aluminum foil facing in everyday cooking and food storage. While aluminum is a common element and can be found naturally in many foods and water sources, the amount that might leach from foil into food is minimal and not considered harmful. However, it's always best to avoid wrapping acidic or highly salty foods in aluminum foil, as this might increase the potential for aluminum to leach into the food. For most people, the small amounts of aluminum that could come into contact with food from foil are not a health concern.