[Sun protection during holidays].

Ultraviolet radiation is causally involved in induction of skin cancer, premature skin aging and photodermatoses. The longing of our western society for a "healthy tanning" as well as the unbroken trend to spend the holidays in sunny regions lead to the fact that human skin is increasingly exposed to ultraviolet radiation and its detrimental effects. Because of the socio-political importance of the vacation period as the "most beautiful and most important time of the year", effective prevention of these unwanted UV effects has an enormous importance to the general population. In this article the most important methods for effective sun protection are critically discussed.