The Use of Hemispheric Directional Reflectance Method to Verify the Usefulness of Filters Protecting the Skin Against Infrared Radiation

Figures & data

Figure 1 Skin reflectance at 700–1100 nm before application of SVR Cicavit+ SPF 50+ cream (t0), immediately after application (t1), after 20 minutes (t2), 1 hour (t3), 1.5 hours (t4) and 2 hours (t5). Box – median, whiskers – quartile range.

Figure 2 Skin reflectance at the wavelength of 700–1100 nm before application of Pharmaceris SPF 100+ cream (t0), immediately after its application (t1), after 20 minutes (t2), 1 hour (t3), 1.5 hours (t4) and 2 hours (t5). Box – median, whiskers – quartile range.

Figure 3 Skin reflectance at the wavelength of 700–1100 nm before applying Bella Aurora SPF 50 (combination-oily skin) cream (t0), immediately after its application (t1), after 20 minutes (t2), 1 hour (t3), 1.5 hours (t4) and 2 hours (t5). Box – median, whiskers – quartile range, *Statistically significant, p – level of significance.

Figure 4 Skin reflectance at the wavelength of 700–1100 nm before the application of Bella Aurora SPF 50 (normal-dry skin) cream (t0), immediately after its application (t1), after 20 minutes (t2), 1 hour (t3), 1.5 hours (t4) and 2 hours (t5). Box – median, whiskers – quartile range, *Statistically significant, p – level of significance.

Figure 5 Skin reflectance at a wavelength of 1000–1700 nm before applying SVR Cicavit+ SPF 50+ cream (t0), immediately after its application (t1), after 20 minutes (t2), 1 hour (t3), 1.5 hours (t4) and 2 hours (t5). Box – median, whiskers – quartile range.

Figure 6 Skin reflectance at the wavelength of 1000–1700 nm before applying the Pharmaceris SPF 100+ cream (t0), immediately after its application (t1), after 20 minutes (t2), 1 hour (t3), 1.5 hours (t4) and 2 hours (t5). Box – median, whiskers – quartile range.

Figure 7 Skin reflectance at 1000–1700 nm wavelength before application of Bella Aurora SPF 50 (combination-oily skin) cream (t0), immediately after its application (t1), after 20 minutes (t2), 1 hour (t3), 1.5 hours (t4) and 2 hours (t5). Box – median, whiskers – quartile range, *Statistically significant, p – level of significance.

Figure 8 Skin reflectance at the wavelength of 1000–1700 nm before the application of Bella Aurora SPF 50 (normal-dry skin) cream (t0), immediately after its application (t1), and after 20 minutes (t2), 1 hour (t3), 1.5 hours (t4) and 2 hours (t5). Bar – median, whiskers – quartile range, *Statistically significant, p – level of significance.

Figure 9 Skin reflectance at 1700–2500 nm wavelength before application of SVR Cicavit+ SPF 50+ cream (t0), immediately after application (t1), after 20 minutes (t2), 1 hour (t3), 1.5 hours (t4) and 2 hours (t5). Box – median, whiskers – quartile range, *Statistically significant, p – level of significance.

Figure 10 Skin reflectance at the wavelength of 1700–2500 nm before applying the Pharmaceris SPF 100+ cream (t0), immediately after the application (t1), after 20 minutes (t2), 1 hour (t3), 1.5 hours (t4) and 2 hours (t5). Box – median, whiskers – quartile range, *Statistically significant, p – level of significance.

Figure 11 Skin reflectance at the wavelength of 1700–2500 nm before Bella Aurora SPF 50 (combination-oily skin) cream application (t0), immediately after the application (t1), after 20 minutes (t2), 1 hour (t3), 1.5 hours (t4) and 2 hours (t5). Box – median, whiskers – quartile range, *Statistically significant, p – level of significance.

Figure 12 Skin reflectance at the wavelength of 1700–2500 nm before Bella Aurora SPF 50 (normal-dry skin) cream application (t0), immediately after the application (t1), after 20 minutes (t2), 1 hour (t3), 1.5 hours (t4) and 2 hours (t5). Box– median, whiskers – quartile range, *Statistically significant, p – level of significance.