Skin and mucosal allergic diseases is a focus, where this unit, through several years, has contributed to research projects at international level via EU’s Fifth Framework Programme (Fragrance chemical allergy: a major environmental and consumer problem in Europe), EU’s Seventh Framework Programme (Global Allergy and Asthma European Network, GA2len), EU’s Seventh Framework Programme (Project FAST (Food Allergy Specific Therapy and project “Medall”)), and the European Contact Dermatitis Group (EECDRG).

The unit is an integrated part of the National Allergy Research Centre.
The unit is represented at European Environmental and Contact Dermatitis Research Group (EECDRG) and also at the International Dermatitis Research Group (ICDRG)

The unit is a Danish centre for hereditary angioedema and contributes to European research projects concerning this serious disease.
Since 2006 a new European co-operation(EUSCLE) has begun concerning registration and classification of Cutaneous lupus erythematosus.
The unit participates in a Europe co-operation concerning malignant skin tumours focusing on malignant melanoma and transplant patients suffering from skin cancer (SCOPE).

The department participates in the European reference network ERN SKIN, which is a collaboration between 56 health professionals from 18 countries in the EU.
The purpose is to improve quality, safety and access to highly specialized treatment for children and adults with rare diseases and to promote research in the field.
At OUH is a Center for Hereditary and Complex Diseases, CAKS, under construction. The department is currently part of 3 multidisciplinary team collaborations on: Pseudoxanthoma elasticum, Incontinentia pigmenti and Birt-Hogg-Dubé syndrome.