A Physiological Study on Downregulation of EGF-receptors in the Skin by Topical Exposition With EGF

Exclusion Criteria

• •Systemic psoriasis treatment 3 months prior and during the study
• •Local psoriasis treatment on the investigational sites in the last 30 days or during the study
• •Known hypersensitivity or allergy to the EGF containing product (Newskin) and/or to Vaseline/10% salicylic acid and/or to local anaesthetics of the amid type
• •Known or suspected non-compliance to study protocol Coagulopathy or treatment with anticoagulants
• •History of malignant disease Other clinically relevant concomitant disease state Participation in another investigational drug study in the last 30 days