Evaluating the Photoprotective Effects of Ochre on Human Skin by In Vivo SPF Assessment: Implications for Human Evolution, Adaptation and Dispersal

• Riaan F. Rifkin ,

  * E-mail: riaanrifkin@gmail.com

  Affiliations Institute for Archaeology, History, Culture and Religion, University of Bergen, Bergen, Norway, Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, South Africa

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• Laure Dayet,

  Affiliation Centre National de la Recherche Scientifique, Unité Mixte de Recherche, University of Bordeaux, Pessac, France

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• Alain Queffelec,

  Affiliation Centre National de la Recherche Scientifique, Unité Mixte de Recherche, University of Bordeaux, Pessac, France

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• Beverley Summers,

  Affiliation Photobiology Laboratory, Department of Pharmacy, University of Limpopo, Medunsa, South Africa

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• Marlize Lategan,

  Affiliation Photobiology Laboratory, Department of Pharmacy, University of Limpopo, Medunsa, South Africa

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• Francesco d’Errico

  Affiliations Centre National de la Recherche Scientifique, Unité Mixte de Recherche, University of Bordeaux, Pessac, France, Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, South Africa

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