Sirona Biochem Corp. announced it has entered into a global exclusive licensing agreement with Allergan Aesthetics, pursuant to which Allergan Aesthetics will develop and commercialize topical skin care treatments based on active ingredients derived from certain of Sirona's patents for TFC-1067 and related family of compounds. Under the license agreement, Sirona will a receive an upfront payment and further payments on achievement of milestones and royalties on product sales and has also agreed to financial terms as a supplier of its compounds.