Enzymes for medical purposes, namely, facilitating delivery of pharmaceuticals, and pharmaceuticals containing enzymes to facilitate delivery of a wide range of pharmaceuticals; drug delivery agents that facilitate delivery of pharmaceuticals; pharmaceutical preparations for use in the treatment and prevention of metabolic conditions and disorders, endocrine conditions and disorders, diabetes, diabetic complications, hormonal diseases and disorders, dermatological conditions and disorders, and for the treatment of cancer and in hydration; pharmaceutical preparations for use in dermatology; pharmaceutical preparations for use in aesthetic skin treatments