Table 4: Increase in NB-UVB treatment time based on skin type
SKIN TYPE |
INCREASE IN TREATMENT TIME |
DOSE |
Type I |
2 seconds |
15 mJ/cm2 |
Type II |
3 seconds |
25 mJ/cm2 |
Type III |
5 seconds |
40 mJ/cm2 |
Type IV |
6 seconds |
45 mJ/cm2 |
Type V |
7 seconds |
60 mJ/cm2 |
Type VI |
9 seconds |
65 mJ/cm2 |
Reprinted with permission from: Nolan BV, Yentzer BA, Feldman SR. A review of home phototherapy for psoriasis. Dermatology Online Journal 2010;16(2):1