How often should you actually shower?

Is taking a daily shower really necessary? Some people even choose to do it twice a day. But what does science say about it? Well, it depends. Doctors agree that over-showering can disrupt your skin's moisture balance, leading to dry and flaky skin. However, not showering enough can cause acne flare-ups and bacterial and fungal infections. Confused on what to do?
Let's find a compromise. John Oxford, Professor at Queen Mary's School of Medicine and Dentistry.