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1. The process by which skin is changed or damaged as a result of exposure to ultraviolet radiation in sunlight and other sources.
2. The long-term effects of this process on the skin, as wrinkles, discoloration, or susceptibility to cancer.

pho′to·aged′ (-ājd′) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌfoʊ toʊˈeɪ dʒɪŋ)
damage to the skin, as wrinkles or discoloration, caused by prolonged exposure to sunlight.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Goldman, MD, enrolled 20 subjects with at least moderate photoaging who randomly received three treatments with either the 1,064/ 532-nm fractionated picosecond Nd:YAG laser or with the 1,927-nm fractionated thulium fiber laser on each side of the face, 4 weeks apart.
Regardless of how "normal" your skin looks after sun exposure, even if not done deliberately such as gardening or playing sports, regularly being under the sun not only makes you look older than you are (also called photoaging), but it can also ultimately increase your skin cancer risk.
Aging caused by chronic UV radiation from sunlight is referred to as photoaging, which is aging that occurs due to chronic adverse effects of sunlight accumulating with chronological aging symptoms.
Protection / Prevention - LUMICEASE[TM] blue ingredient helps protect the skin against solar and blue light radiations thanks to an adaptive response previous to light exposure, at the same time that reduces the main photoaging signs.
The acute harmful effects of ultraviolet rays on the skin include damage to DNA, apoptosis, erythema, immunosuppression and an increase in pigmentation due to stimulation of melanogenesis, while the long-term effects include photoaging and photocarcinogenesis.
"With photoaging, you get deep wrinkles and irregular pigmentation, plus lesions that may lead to skin cancer," explains Erica Stevens, a dermatologist also at the University of Michigan Medical School.
A new lip balm has been formulated with vitamin C, beeswax, zinc oxide, and acerola fruit and Olea europaea (olive) leaf extracts that protect against UV- induced photoaging, while ensuring adequate skin moisture to restore lips' youthful qualities.
MONDAY, July 9, 2018 (HealthDay News) -- Many individuals with skin of color do not know that they need comprehensive photoprotection to prevent skin cancer and photoaging, according to an article published in Dermatology Times.
A study found that applying a gel containing chlorophyllin to the skin reduced signs of photoaging, which is aging that results from sun exposure.
Among the internal factors, genetics, metabolism, and hormones should be highlighted, while the main environmental factors include solar radiation and pollution, which add up to trigger photoaging [2, 3].
Their unique properties make them great defenders against photoaging that can occur after UVB exposure.