
It has been well-documented that UV exposure accelerates skin aging because free radicals initiate inflammatory cascades, which go on to cause cell and DNA damage. If normal skin needs UV protection, it follows that people with pre-existing conditions like rosacea and hyperpigmentation will need to take even greater precautions, as heavy sun exposure is known to aggravate them.
Indeed, too much sun can push previously normal skin into the “sensitized skin” category. Sensitized skin is less able to repair itself without showing signs of stress, and these stressors can show up as hyperpigmentation, melasma, rosacea or irritated skin and rashes of various types. I believe that the rising rates of these conditions can be attributed, at least in part, to the UV exposure connection. Let’s take a look at some common complaints.
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