Inclusion Criteria:  Thermal & chemical burns < 30 % TBSA Males & females between 18-80 years old At least one coherent full thickness wound measuring 15 x 7.5 cm A minimal of 15 x 7.5 cm coherent undamaged skin located at frontal or lateral side of one of the thighs for graft harvest.  Exclusion Criteria:  Patients with severe cutaneous trauma at the same site as the burn injury Previous burns at the treatment site Severe cognitive dysfunction or psychiatric disorder Chronic skin disorder Chronic use of systemic or local corticosteroid Chronic use of anticoagulants or platelets Autoimmune disease Active hepatitis Full thickness burns of head, genitalia, axilla or upper third of medial upper arm