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Photostability of Sunscreens

Abstract
Photostability is a major criteria for the quality of sunscreens. In this project, sunscreens and lipsticks were testes with a new in-vitro method. For photounstable sunscreens the photochemical changes were described by a dose-response relationship.
Coordination for vetmeduni vienna
Schauberger Günther
Duration
01.01.99-31.12.09
Type of Research
Applied research
Vetmed Research Units
Projekt partner
Contact: Konrad Brunnhofer
Verein für Konsumenteninformation
Contact: Bice S Martincigh
University of Natal, School of Pure and Applied Chemistry
Contact: Harald Maier
Universität Wien, Universitätsring 1, 1010 Wien, Austria
Funded by
7 Publications

Maier, H; Schauberger, G; Martincigh, BS; Brunnhofer, K; Hönigsmann, H (2005): Ultraviolet protective performance of photoprotective lipsticks: change of spectral transmittance because of ultraviolet exposure. Photodermatol Photoimmunol Photomed. 2005; 21(2):84-92

Schauberger, G; Maier, H; Cabaj, A; Schmalwieser, A.W (2004): Goodness of fit of solar simulated radiation to a reference solar spectrum for photobiological experiments. CIE ExpertSymposium on Light and Health, Vienna, Austria, 30.09.-02.10.2004. CIE ExpertSymposium on Light and Health, Vienna, 30.09.-02.10.2004.

Schauberger, G; Maier, H; Cabaj, A; Schmalwieser, AW (2004): Evaluation of the goodness of fit of solar simulated radiation to a reference solar spectrum for photobiological experiments. Med Phys. 2004; 31(9):2509-2519

Schauberger, G; Cabaj, A, Maier, H; Schmalwieser, WA (2003): Comparison of the spectral distribution of artificial ultraviolet sources with solar radiation for photobiological experiments. Gemeinsame Jahrestagung der Deutschen, der Österreichischen und der Schweizerischen Gesellschaften für Biomedizinische Technik, Salzburg, Austria, SEP 25-27, 2003. Biomedizinische Technik = Biomedical engineering (48), S1 540-541.

Schauberger, G. , Maier, H; Cabaj, A; Martineigh, BS; Brunnhofer, K; Hönigsmann, H (2003): Dose- and wavelength-dependence of the photoinactivation of sunscreens due to solar simulated radiation. Gemeinsame Jahrestagung der Deutschen, der Österreichischen und der Schweizerischen Gesellschaften für Biomedizinische Technik, Salzburg, Austria, SEP 25-27, 2003. Biomedizinische Technik = Biomedical engineering (48), S1 542-543.

Maier, H; Schauberger, G; Brunnhofer, K; Hönigsmann, H (2003): Assessment of thickness of photoprotective lipsticks and frequency of reapplication: results from a laboratory test and a field experiment. Br J Dermatol. 2003; 148(4):763-769

Maier, H; Schauberger, G; Brunnhofer, K; Hönigsmann, H (2001): Change of ultraviolet absorbance of sunscreens by exposure to solar-simulated radiation. J Invest Dermatol. 2001; 117(2):256-262
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