Pilot Study to Assess Number of Patients for Main Trial

Inclusion Criteria: * Healthy Caucasian subjects of both genders, 18 to 45 years of age, Fitzpatrick skin type I to IV Exclusion Criteria: * Active skin disease, moles, tattoos, strong pigmentation at the test area or scars in the test area that would influence the visual scoring * History of keloids and hypertrophic scars * History of plaster sensitivity * Intake of drugs interfering with the immune system within 30 days before day 1 as well as during the study * Concomitant therapy with substances affecting blood coagulation within up to 14 days prior to the start of the study as well as during the study * Any condition or treatment which might influence the study * Change of hormonal contraception within 3 months prior to enrolment and during the study * Application of any topical treatment at the test areas during the conduct of the study * Intensive ultraviolet-light exposure within two weeks before the beginning as well as during the study * Removal of axillary lymph nodes * Allergy to the ingredients of the test product * Pregnancy or lactation * Any illness on account of which the subject should not participate in the study in the opinion of the investigator * Psychiatric conditions that might limit the participation in the trial and/or that lead to the assumption that the ability to completely understand the consequences of consent is missing * Any history of drug addiction or alcoholism in the past 3 years * Infectious diseases (e.g. hepatitis or AIDS)