M. Bimonte; A. De Lucia; A. Carola; A. Tito; S. Buono; A. L. Langellotti; V. Fogliano; G. Colucci; Fabio Apone. Galdieria Sulphuraria Relieves Oily and Seborrheic Skin By Inhibiting the 5-α Reductase Expression in Skin Cells and Reducing Sebum Production In Vivo. Sally Kiu-Huen Ng, MBBS, FRACS 2016, 1, 11-18.