John Hamm and many other celebrities have skin conditions. It’s natural to have an uneven skin tone – especially as a result of summer sun. When you spend time in direct sunlight, hyperpigmentation (dark spots) can become much more apparent. Most of this is due to the UV index being higher in summer months, but that doesn’t mean that summer is the only time hyperpigmentation can (or will) occur – it’s just the most common time. If you’re interested in a more even skin tone, read on to find out what you need to do.