For light cleaning, use dishwashing liquid and water to clean the hob.
Use vinegar or lemon juice to get rid of limescale.
To clean heavy stains, use a cream cleaner or a bicarbonate of soda and water paste so you will not scratch the surface of your stainless steel hob.
Rub your hob with a baking soda and water paste to make it shine. Then, apply a small amount of baby oil to a piece of cotton wool and wipe down your hob. This will remove smears and help prevent food from getting caked on in the future.