Researchers have demonstrated that excessive sun exposure can adversely impact the short-term diversity and composition of the skin’s bacterial makeup. Skin, the largest organ of the human body, houses a diverse collection of bacteria, fungi, and viruses that together form the skin microbiota. Amon
The skin, the body’s largest organ, contains diverse bacteria, fungi, and viruses that defend against pathogens. UK researchers found that sun-seeking behaviors affect skin microbiota composition, with tanning linked to decreased Proteobacteria, although microbiota recovery happens a few weeks post-sun exposure.
Skin, the largest organ of the human body, houses a diverse collection of bacteria, fungi, and viruses that together form the skin microbiota. Among other things, these microbial populations, which are organized in complex community structures, protect against pathogens.damage in skin cells, inflammation, and early signs of skin aging, many people still intentionally seek out the sun.
“Here we show in a cohort of holidaymakers that their sun exposure behavior significantly affects the diversity and composition of their skin microbiota,” said Dr Abigail Langton, principal investigator at the“We have demonstrated that the development of a tan is associated with lower Proteobacteria abundance immediately post-holiday. However, the microbiota of all holidaymakers was recovered a few weeks after they stopped spending extended time periods in the sun.
“This study was performed in real-life holidaymakers and provides important insights into how sun exposure resulting in a tanning response – even over a relatively short sunny period – can lead to an acute reduction in Proteobacteria abundance, which decreased skin microbiota diversity,” Dr Thomas Willmott, the study’s first author and researcher at the University of Manchester, explained.
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