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Review
. 2025 Jul;5(7):1195-1206.
doi: 10.1038/s43587-025-00901-6. Epub 2025 Jun 17.

Skin health and biological aging

Affiliations
Review

Skin health and biological aging

David Furman et al. Nat Aging. 2025 Jul.

Abstract

Accumulating evidence indicates that biological aging can be accelerated by environmental exposures, collectively called the 'exposome'. The skin, as the largest and most exposed organ, can be viewed as a 'window' for the deep exploration of the exposome and its effects on systemic aging. The complex interplay across hallmarks of aging in the skin and systemic biological aging suggests that physiological processes associated with skin aging influence, and are influenced by, systemic hallmarks of aging. This bidirectional relationship provides potential avenues for the prevention of accelerated biological aging and the identification of therapeutic targets. We provide a review of the interactions between skin exposure, aging hallmarks in the skin and associated systemic changes, and their implications in treatment and disease. We also discuss key questions that need to be addressed to maintain skin and overall health, highlighting the need for the development of precise biomarkers and advanced skin models.

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Conflict of interest statement

Competing interests: The following authors are advisors to the Reverse Aging Science Board at Parfums Christian Dior: D.F., J.A., G.C., K.J.A.D., A.D., V.N.G., B.K. K., N.N., D.R., V.S., M.C.W. and K.W. The following authors are employees at Moët Hennessy Louis Vuitton LVMH or Parfums Christian Dior: A.-L.B., V.C., L.C., C.N. and K.P. The other authors declare no competing interests.

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