The Relationship among Minimal Erythema Dose, Minimal Delayed Tanning Dose, and Skin Color
- 1 September 1993
- journal article
- Published by Wiley in The Journal of Dermatology
- Vol. 20 (9), 540-544
- https://doi.org/10.1111/j.1346-8138.1993.tb01335.x
Abstract
The relationship among minimal erythema dose (MED), minimal delayed tanning dose (MDTD), and skin color was examined in 16 healthy volunteers using three different spectra. The subjects were exposed to UVB, UVA+B, and UV+Visible light (UV+Visible) with a xenon arc solar simulator as a light source. The MEDs for UVB and UVA+B were less than the MDTDs, whereas the MED for UV+Visible was higher than the MDTD. There was no significant correlation between the MED and the MDTD for UVB or UVA+B. The MED for UV+Visible was significantly correlated to the MDTD (p < 0.01). Skin color significantly correlated with MEDs for UVB and UVA+B (p < 0.01), but not for UV+Visible. There was no significant correlation between skin color and the MDTD for any spectra. From these results, it is suggested that the relationship between erythemal and melanogenic responses is dependent on spectral bands of the light source and that skin color is a predictor of UV-induced erythema.Keywords
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