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Bispebjerg Hospital - a part of Copenhagen University Hospital
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Improving Photoprotection and Implications for 25(OH)D Formation

Research output: Contribution to journalReviewResearchpeer-review

  1. Lifetime UVR Dose and Skin Cancer Risk, Determined by Their Common Relation to Solar Lentigines

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  2. MicroRNA expression in early mycosis fungoides is distinctly different from atopic dermatitis and advanced cutaneous T-cell lymphoma

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  3. STAT3 activation and infiltration of eosinophil granulocytes in mycosis fungoides

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  1. Melanin has a Small Inhibitory Effect on Cutaneous Vitamin D Synthesis: A Comparison of Extreme Phenotypes

    Research output: Contribution to journalJournal articleResearchpeer-review

  2. Skin surface Protoporphyrin IX fluorescence is associated with epidermal but not dermal fluorescence intensities

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Measurements of sun sensitivity in five European countries confirm the relative nature of Fitzpatrick skin phototype scale

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BACKGROUND/AIM: This review examined the implications of using sunscreen photoprotection on 25(OH)D formation and determined the best photoprotective method to reduce the risk of skin cancer caused by ultraviolet radiation (UVR). Based on previous studies on 25(OH)D formation after use of different amounts of sunscreen and different doses of UVR for approximately one week to different body areas it is possible to estimate the amount of 25(OH)D formed after a week's holiday in Southern and Northern Europe.

CONCLUSION: The best method of photoprotection by sunscreen is two consecutive applications before sun exposure, ensuring the use of sufficient amounts of sunscreen and minimizing the unprotected skin areas. The double application method simultaneously ensures a high photoprotection against erythema from sun exposure. Despite the use of sunscreen, the calculated serum 25(OH)D levels clearly increase to similar levels as those measured after sun vacations.

Original languageEnglish
JournalAnticancer Research
Volume40
Issue number1
Pages (from-to)511-518
Number of pages8
ISSN0250-7005
DOIs
Publication statusPublished - Jan 2020

    Research areas

  • Humans, Skin/radiation effects, Sunbathing, Sunscreening Agents/pharmacology, Ultraviolet Rays, Vitamin D/analogs & derivatives, World Health Organization

ID: 61660466