No. There are hair products that that use the word "mayonnaise" in them but it is not the mayonnaise you eat.
You don't usually need mayonnaise to make pancakes.
You can't. Your hair will grow or not grow with or without mayonnaise.
They don't make cheese with mayonnaise
Yes, they do.
To make a pickle-mayonnaise topping, chop a pickle into small pieces and mix it in mayonnaise in a bowl before spreading it on a sandwich.
They have different ways of doing it but they all basically make you poo
you feed them again and again and again until they poo
the yolk
no not at all fruits and vegetables do
probably not
A normal bottle of any mayonnaise will not contain 12 eggs. While egg yolks are used to make mayonnaise, the main ingredient is oil, not egg.