More information: Saranya Wyles et al, A Comparative Study of Two Topical Treatments for Photoaging of the Hands, Plastic & Reconstructive Surgery (2023). DOI: 10.1097/PRS.0000000000011240 ...

Some may notice "dark spots" on their skin as they age. Those areas are flattened and appear darker than the skin around them. The spots can appear on areas like the shoulders, hands and face.