no, it's used to get rid of lice.
You can't. Your hair will grow or not grow with or without mayonnaise.
No. There are hair products that that use the word "mayonnaise" in them but it is not the mayonnaise you eat.
probably not
Yes, your hair will smell like Mayonnaise.
Human hair can not grow visibly longer overnight, sorry.
The average Human will grow up to 500 kilometers of hair in a lifetime. That is roughly 950 miles of hair!
no
The Hair Cells :P
yes you can, by the way using mayonnaise in your hair often gets rid of lice.
Yes if you can if you are a Gorilla. NO if you are a human
Slowly,but yes.
ummm................ I'm pretty sure that in the winter animal hair grows quickly than human hair. but then in summer human hair increases so it is about the same rate.