Figure 2.

UV absorbance spectra of Sunscreen 4. Before and after natural UV exposure (UVnat), and before and after artificial UV exposure (UVart). Sunscreen 4 was photostable when exposed to natural UV in the UVA range but not to UVAart.

Gonzalez et al. BMC Dermatology 2007 7:1   doi:10.1186/1471-5945-7-1
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