most citrus fruit peels are waxed to give them that shine that is so appealing so never go for just the look. See if you can find organic fruit. I always see if there is a bit of 'give' when the fruits is gently squeezed as this suggests that they are not all dried out. These fruits are generally imported so it is worth seeing where they have come from as, for example, fruit from Spain will be fresher at a different time of the year to that imported from South Africa. Of course you can always take them back and complain.