Irradiation of the skin
resulted in a highly significant increase in erythema values.
After 24 h, only the treatment with prednicarbate
(Dermatop cream) followed by Dermallerg-Ratiopharm
cream 1% efficiently reduced the erythema. On the nonirradiated
sites, a typical blanching effect of the glucocorticosteroids
could be observed. The A. vera gel (97.5%), the
placebo gel but also 1% hydrocortisone in placebo gel did
not show a significant effect 24 h after irradiation ( fig. 3 ).