FIELD: pharmaceutical industry. SUBSTANCE: factor influencing intracellular level of methional or malonic dialdehyde is used as therapeutic agent for modulating programmed cell death (apoptosis). Pharmaceutical or cosmetic composition contains, as active ingredient, compound selected from methional, malonic dialdehyde, or any factor of the above-indicated type in combination with pharmaceutically or cosmetically acceptable carrier. Invention also provides method for prevention or control of photoinducible or age-related skin ageing. EFFECT: enhanced efficiency of treating a variety of dermatologic injuries. 19 cl, 1 dwg, 8 tbl, 9 ex
