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Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

Cellular Effects

Exposure to acute electromagnetic radiation of mobile phone exposure range alters transiently skin homeostasis of a model of pigmented reconstructed epidermis.

No Effects Found

Simon D, Daubos A, Pain C, Fitoussi R, Vié K, Taieb A, de Benetti L, Cario-André M. · 2013

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Cell phone radiation at safety-limit levels temporarily disrupts skin barrier proteins, potentially weakening your skin's natural protection.

Plain English Summary

Summary written for general audiences

French researchers exposed lab-grown skin models to cell phone radiation (900 MHz) for 6 hours to see if it affected skin health and structure. While they found no major damage or cell death, the radiation did cause temporary changes in key skin proteins that help maintain the skin's protective barrier. The researchers concluded this could potentially weaken the skin's ability to protect against environmental threats.

Why This Matters

This study reveals something important that many people don't consider: your skin, not just your brain, absorbs radiation when you hold your phone. The researchers used a SAR level of 2 watts per kilogram, which is right at the current safety limit for mobile phones in many countries. What makes this research particularly relevant is that it used realistic exposure conditions and sophisticated skin models that closely mimic human skin. The finding that cell phone radiation can disrupt the proteins responsible for skin barrier function suggests our largest organ may be more vulnerable to EMF exposure than previously recognized. While the effects were temporary in this 6-hour study, the reality is that many people carry phones against their skin for hours daily. The science demonstrates that even exposures within current safety limits can alter normal cellular function.

Exposure Details

SAR
2 W/kg
Source/Device
900 MHz GSM Mobile Phone
Exposure Duration
6h

Exposure Context

This study used 2 W/kg for SAR (device absorption):

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 2 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Extreme Concern range (Building Biology)This level is 1 times the FCC limit
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

Exposure to electromagnetic radiations (EMR) produced by mobile phone concerns half the world's population and raises the problem of their impact on human health. In this study, we looked at the effects of mobile phone exposure (GSM basic, 900 MHz, SAR 2 mW g(-1) , 6 h) on a model of pigmented skin.

We have analysed the expression and localization of various markers of keratinocyte and melanocyte d...

No changes were found in epidermal architecture, localization of epidermal markers, presence of apop...

Our data indicate that exposure to 900 MHz frequency induces a transient alteration of epidermal homoeostasis, which may alter the protective capacity of the skin against external factors. Presence or absence of melanocytes did not modify the behaviour of reconstructs after EMR exposure.

Cite This Study
Simon D, Daubos A, Pain C, Fitoussi R, Vié K, Taieb A, de Benetti L, Cario-André M. (2013). Exposure to acute electromagnetic radiation of mobile phone exposure range alters transiently skin homeostasis of a model of pigmented reconstructed epidermis. Int J Cosmet Sci. 35(1):27-34, 2013.
Show BibTeX
@article{d_2013_exposure_to_acute_electromagnetic_3403,
  author = {Simon D and Daubos A and Pain C and Fitoussi R and Vié K and Taieb A and de Benetti L and Cario-André M.},
  title = {Exposure to acute electromagnetic radiation of mobile phone exposure range alters transiently skin homeostasis of a model of pigmented reconstructed epidermis.},
  year = {2013},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/22938144/},
}
PubMed: 22938144

Cited By (16 papers)

Quick Questions About This Study

A 2013 French study found that 6-hour exposure to 900 MHz GSM radiation temporarily decreased key skin barrier proteins like loricrin and cytokeratin 14. However, these proteins returned to normal levels within 24 hours, suggesting the effects are reversible rather than permanently damaging.
Research using lab-grown pigmented skin models showed that 900 MHz GSM radiation did not affect melanocyte location, structure, or melanin transfer to surrounding skin cells. The presence or absence of melanocytes didn't change how the skin tissue responded to electromagnetic radiation exposure.
French researchers found that 900 MHz GSM radiation caused measurable decreases in skin barrier proteins within 6 hours of exposure. However, all protein levels recovered and actually increased above baseline by 24 hours after exposure ended, indicating temporary rather than lasting effects.
A 2013 study exposing lab-grown skin to 900 MHz GSM radiation for 6 hours found no evidence of cell death, DNA damage, or changes in skin structure. The radiation did not trigger p53 (a DNA damage marker) or cause cell death in either pigmented or non-pigmented skin models.
Research suggests 900 MHz radiation may temporarily compromise skin's protective capacity by reducing barrier proteins and decreasing proteasome activity. While no permanent damage occurred, these transient changes could potentially make skin more vulnerable to environmental threats during the exposure period.