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Related Concept Videos

Skin Cancer01:30

Skin Cancer

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Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
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Mutations01:35

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Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
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DNA Distortion and Damage
Cells are regularly exposed to mutagens—factors in the environment that can damage DNA and generate mutations. UV radiation is one of the most common mutagens and is estimated to introduce a significant number of changes in DNA. These include bends or kinks in the structure, which can block DNA replication or transcription. If these errors are not fixed, the damage can cause mutations, which in turn can result in cancer or disease depending on which sequences are...
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Mutagenicity and carcinogenicity refer to the ability of drugs to cause genetic defects and induce cancer, respectively. The International Agency for Research on Cancer (IARC) classifies agents into four groups based on their carcinogenic potential. Group 1 agents are known human carcinogens; group 2A agents are probably carcinogenic to humans; group 3 agents lack data to support their role in carcinogenesis; and group 4 includes agents for which data support that they are not likely to be...
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Pigmentation01:19

Pigmentation

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The color of the skin is influenced by a number of pigments, including melanin, carotene, and hemoglobin. Recall that melanin is produced by cells called melanocytes, which are found scattered throughout the stratum basale of the epidermis. The melanin is transferred to the keratinocytes via melanosomes.
Melanin occurs in two primary forms: eumelanin that provides black and brown pigment and pheomelanin that provides red color. Dark-skinned individuals produce more melanin than those with pale...
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Pharmacologic Induction of Epidermal Melanin and Protection Against Sunburn in a Humanized Mouse Model
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Revisiting Cutaneous Carcinogenic Risk From Ultraviolet Nail Polish Dryer Lamp Exposure.

Jessica Q Duong1, Marissa S Ceresnie2, Indermeet Kohli2,3,4

  • 1Homer Stryker MD School of Medicine, Western Michigan University, Kalamazoo, Michigan, USA.

Photodermatology, Photoimmunology & Photomedicine
|October 16, 2025
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Summary

Concerns exist regarding ultraviolet (UV) nail polish dryer lamps and skin cancer risk. Current research shows a lack of compelling evidence for carcinogenicity, but long-term users should consider photoprotection.

Keywords:
keratinocyte carcinomamanicurenail polish dryer lampskin cancerultraviolet radiation

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Area of Science:

  • Dermatology
  • Oncology
  • Photobiology

Background:

  • Growing consumer and researcher concerns link ultraviolet (UV) nail polish dryer lamps to potential skin cancer.
  • Gel nail polish curing lamps emit UV radiation, prompting investigation into their safety and carcinogenic potential.

Purpose of the Study:

  • To review existing literature on the safety of UV nail polish dryer lamps.
  • To assess the potential for UV gel nail polish dryer lamps to cause cutaneous carcinogenesis.

Main Methods:

  • Comprehensive literature search of OVID Medline, PubMed, EMBASE, and Web of Science databases.
  • Inclusion of 14 articles published up to April 4, 2023, focusing on UV nail lamp use and skin malignancies.
  • Analysis of case reports, in vitro studies, national cancer registry data, and mathematical modeling.

Main Results:

  • Five cases of squamous cell carcinoma reported in individuals with a history of UV nail lamp use.
  • In vitro studies yielded mixed results regarding cytotoxicity and mutagenicity.
  • National cancer registry data showed no association with melanoma; mathematical models indicated minimal to no carcinogenesis risk.

Conclusions:

  • Current evidence does not strongly support the carcinogenic potential of UV nail polish dryer lamps.
  • Photoprotection is recommended for individuals with prolonged anticipated use of UV nail polish dryer lamps.