Chemical analysis and in vitroUV-protection characteristics of clays traditionally used for sun protection in South Africa

Ncoza C. Dlova*, Funanani T. Nevondo, Elizabeth M. Mwangi, Beverley Summers, Joyce Tsoka-Gwegweni, Bice S. Martincigh, Dulcie A. Mulholland

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Clays have been used in southern Africa as photoprotectants by the indigenous people. Typically, two types of clay are used: one white in colour and the other red. In this work, the two clays were identified and characterized, and their in vitroSPF values measured. The clays afford a low SPF but offer broad-spectrum protection. No cutaneous side effects from the use of these clays are known. Further consideration should be given to the potential use of clays in sunscreen preparations.

Original languageEnglish
Pages (from-to)164-169
Number of pages6
JournalPhotodermatology Photoimmunology and Photomedicine
Volume29
Issue number3
DOIs
Publication statusPublished - Jun 2013
Externally publishedYes

Keywords

  • African women
  • Chemical analysis
  • Clay
  • South Africa
  • Sunscreen
  • UV protection

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