WEB-040Original text reviewed
28 GHz: altered pigment production in skin models
The reported finding
Exposure reduced stimulated melanin production, melanogenic-enzyme expression and ROS generation. Cell viability was not reduced.
Reading it carefully
Pigment regulation is not demonstrated skin injury. Do not infer increased cancer risk or loss of sun protection. No operational 5G NR waveform was verified in this source check.
Inside the study
Technology connection
Relevant carrier-frequency research; the record distinguishes actual 5G modulation from other laboratory waveforms.
Publication type
Original journal research
Exposure conditions
28 GHz at 10 W/m² for 4 h/day; reconstructed pigmented epidermis exposed for 16 days; feedback temperature control.
Design & controls
B16F10 melanoma cells and MelanoDerm human epidermis model, with and without α-MSH stimulation.
Statistics
See the original results; effect sizes were not independently recalculated.
Related research & shared cohorts
Related Korean pigmentation programme; distinct from the ENEA skin experiments.
The protection question raised
Which exposure conditions reproduce this finding, and what would establish its relevance beyond the experimental model?
Source verification
Original methods/results and interpretation reviewed; raw data and supplements were not independently audited.
Where to find the result
Original methods and results
Editorial notices
Linked Europe PMC/PubMed notice fields checked 21 October 2026; no correction/retraction surfaced for this record. Publisher/citation screening is not exhaustive.
Funding
See original disclosure; funding details were not established in this check.
Conflicts of interest
Authors report no competing interests/conflicts; declaration checked, not independently audited.
Original publication
Kyuri Kim; Young Seung Lee; Nam Kim; Hyung-Do Choi; Kyung-Min Lim. 5G Electromagnetic Radiation Attenuates Skin Melanogenesis In Vitro by Suppressing ROS Generation. Antioxidants (Basel, Switzerland). 2022. doi:10.3390/antiox11081449.