Inclusion Criteria:  Children with contact allergies to aluminium, demonstrated by patch tests Activity (itching) of the granulom within the last six months Written consent obtained from all custodians  Exclusion Criteria:  a detected food allergy for the remaining products in the pancakes (including wheat flour, eggs and milk) Children treated with topical and/or systemic steroid preparations during and up to 1 week before the start of the study. Children treated with systemic immune suppression during and up to 1 week before the start of the study. Children with kidney or bone disease. Children vaccinated during the study period Treatment with acid neutralising medicines during and up to 1 week before the start of the study Another reason for inability to cooperate, including lack of language skills in Danish or English in parents.