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  • Solar ultraviolet protection provided by human head hair

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    Author(s)
    V. Parisi, Alfio
    Smith, Don
    Schouten, Peter
    J. Turnbull, David
    Griffith University Author(s)
    Schouten, Peter W.
    Year published
    2009
    Metadata
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    Abstract
    The solar erythemal UV irradiances through human hair and the protection from UV provided by human head hair have been investigated for a solar zenith angle (SZA) range of 17-51ࠦor the conditions of a head upright in full sun, a head upright in shade and a head in full sun tilted toward the sun. The two hair lengths investigated were 49.1 ᠷ.1 mm for the short type and 109.5 ᠵ.5 mm for the long type. For the head upright in full sun, the irradiances through the hair ranged from 0.75 to 1.4 SED h-1 for SZA <25ࠡnd <0.6 SED h-1 in shade. The ultraviolet protection factor (UPF) ranged from approximately 5 to 17 in full sun, with ...
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    The solar erythemal UV irradiances through human hair and the protection from UV provided by human head hair have been investigated for a solar zenith angle (SZA) range of 17-51ࠦor the conditions of a head upright in full sun, a head upright in shade and a head in full sun tilted toward the sun. The two hair lengths investigated were 49.1 ᠷ.1 mm for the short type and 109.5 ᠵ.5 mm for the long type. For the head upright in full sun, the irradiances through the hair ranged from 0.75 to 1.4 SED h-1 for SZA <25ࠡnd <0.6 SED h-1 in shade. The ultraviolet protection factor (UPF) ranged from approximately 5 to 17 in full sun, with the UPF increasing with higher SZA. The longer hair provided a lower UPF than the shorter hair and for the head oriented toward the sun, there was a marginally lower UPF than for the upright head. This research shows that the UV exposure limits to the scalp through hair can be exceeded within short timeframes and provides important information to assist employers to comply with Workplace Health and Safety legislation.
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    Journal Title
    Photochemistry and Photobiology
    Volume
    85
    Issue
    1
    DOI
    https://doi.org/10.1111/j.1751-1097.2008.00428.x
    Copyright Statement
    Author Posting. Copyright The Authors 2009. This is the author's version of the work. It is posted here for personal use, not for redistribution. The definitive version was published in Photochemistry and Photobiology, Vol. 85(1), pp. 250-254, http://dx.doi.org/10.1111/j.1751-1097.2008.00428.x
    Subject
    Atmospheric Sciences not elsewhere classified
    Physical Sciences
    Chemical Sciences
    Biological Sciences
    Publication URI
    http://hdl.handle.net/10072/40538
    Collection
    • Journal articles

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