Innovative Nanocarriers: Elastic Aspasomes Loaded with Metformin Hydrochloride for Effective Management of Melasma: In Vitro Studies and Clinical Appraisal. - Albash, Rofida; Fahmy, Abdurrahman M.; Ragaie, Maha H.; Ahmed, Shimaa S.; El-Gazar, Rabab A.; Kassem, Amira B.; Abdelbari, Manar Adel; Salem, Hoda A.; Saleh, Asmaa; Mosallam, Shaimaa (Pharmaceutics, 2026)