The objective of this study is to assess the effect of 'Eucerin AtopiControl LOTION' and 'Eucerin AtopiControl facial cream' on dermal symptoms in patients with Atopic Dermatitis (AD) after two 4 h challenges with grass pollen on two consecutive days. In addition, this clinical study with exposure of Dactyls glomerate-sensitized Patients with AD shall be used to compare the skin response with AD Patients not-sensitized to Dactylis glomerata to understand the specificity of the grass pollen exposure.