Sensitive skin, mucous membranes and scalps are treated by administering to individuals in need of such treatment, thus effective amounts of at least one extract of a non-photosynthetic and non-fruiting filamentous bacterium cultured in a medium which includes at least one non-sulfurous mineral andor thermal water, e. However, to avoid inappropriate use of the apparatus, a sequence of keys called secret key sequence is to be depressed for the apparatus to become operational. With exposure to sun, the salmon zone fades to coral. The intermediate layer may have one or more layer of porous material. The first information includes at least a portion of the first data.