Question: how to upkeep blonde hair?
Answer: Wash your hair less. Essentially washing your hair is what causes colour to fade the most, so get to grips with dry shampoo. ...  Use a blonde formula. ...  Choose colour-safe shampoo. ...  End with a cool rinse. ...  Try a purple toner for brassiness. ...  Counteract chlorine with ketchup. ...  Wash your hair with beer. ...  Reflect the light with shine spray.