With immune deficiency caused by cyclophosphane introduction, elastase activity increases in the skin as well as urease activity and disbiosis level increases very much against a background of decline in lisocyme and catalase activity. The “Quertulin” (quercetin + inulin + citrate calcium) introduction with meal lowers substantially disbiotic and inflammatory phenomena in the skin, however does not affect the condition of the antioxidant-prooxidant system.