The age-old question has yet another set of facts to consider.
Wondering which shade suits your fancy best? Cool Blades in the UK has compiled a set of helpful facts to think about before you declare team blonde or team brunette:
Newly appointed L'Oreal spokeswoman and TV personality, Alexa Chung offered up a few of her views on hair and the many do's and don'ts. Check out a few of the funny, and somewhat true tips she shared below.