Molly is a 62-year-old Caucasian lady with a Fitzpatrick skin type II. She’s grown up in Australia and has had a lot of sun exposure her whole life. She is noticing significant pigmentation, wrinkling and few pink, scaly lesions. What are the physiological changes occurring to the skin with chronic sun exposure and how does this differ to the changes occurring to the skin with intrinsic ageing? Please refer to the assessment and criteria guide when formulating your answer.