As babies we are approximately 75 to 80% water, but as we grow older this percentage decreases to to as little as 55%. The more we stay hydrated, the younger we will look and feel. Water is necessary to carry toxins out of the body. Ever notice when you don't drink enough water, your skin is more likely to break out? Drink 8 ounces of water 8 times a day and you'll stay hydrated. Drink a bit more and your skin will look that much better. Drinking water in the morning is especially important if you haven't had any all night. Drink 2 glasses of water when you first wake up, and drink an extra cup for each cup of coffee or tea you drink to compensate for their diuretic effect: they take water out of your body. I find that my skin looks best when I drink 10-12 glasses of water a day.