research 463 Spatial transcriptomics reveals an inflammatory profile in photoexposed light skin, which is absent in dark skin November 2025 in “Journal of Investigative Dermatology” Light skin shows more inflammation from sun exposure than dark skin.
research Quantitative morphometric analysis of intrinsic and extrinsic skin ageing in individuals with Fitzpatrick skin types II–III 4 citations , January 2023 in “Experimental dermatology” Skin thickness decreases and structural changes occur with both ageing and sun exposure in certain skin types.
research Localization, Age- and Site-Dependent Expression, and Regulation of 11β-Hydroxysteroid Dehydrogenase Type 1 in Skin 119 citations , August 2010 in “Journal of Investigative Dermatology” Increased 11β-HSD1 activity in skin may contribute to aging and could be targeted to reduce aging effects.
research Clinical and dermoscopic evaluation of red light emitting diodes with beta-carotene versus red light emitting diodes alone in treatment of photoaging February 2023 in “Cosmoderma” Combining red LED therapy with beta-carotene is more effective for treating photoaging than red LED therapy alone.
research Aging Skin: A Window to the Body 1 citations , April 2016 in “CRC Press eBooks” Skin aging reflects overall body aging and can indicate internal health conditions.