Do not use hot water or you will have scrambled egg in your hair. Then you'll spend all morning washing it out. Mayonnaise is excellent for conditioning hair. Again, rinse out carefully in cool water. If you use hot, the mayonnaise will set in your hair and will be very difficult to get out.
Beer also gives a lovely shine to hair.
Rinse your hair in beer in the shower, then rinse out with water. Use a beer that does not smell too strongly, or you will give people the wrong impression at work. Shampoos based on beers used to be popular though they do not seem to be around at the moment. They never smelled of beer. OILY HAIR Opinion is divided about how often to wash oily hair.