Table 1.

Absorbance readings at 320 nm wavelength

nSunblock with SPF 30/45Lotion with SPF 15Lotion with no SPF
12.0530.099
23.0543.902
33.3613.607
43.9550.053
53.1220.111
63.7423.519
73.2173.301
82.7260.091
93.5603.438
104.0000.032
114.0000.022
124.0004.000
134.0000.035
143.7110.023
153.4194.000
162.8400.080
173.9570.022
184.0003.856
193.1883.507
204.0000.039
212.0194.000
224.0000.033
233.7373.635
244.0003.745
254.0000.018
262.4340.193
273.7904.000
284.0004.000
29*
304.0004.000
Mean3.5133.7670.061
SD0.8780.9710.050
Median3.7423.8560.037
Min2.0193.3010.018
Max4.0004.0000.193
  • * Participant was removed for applying lotion that morning.