Meet the Experts: Hannah Kopelman, M.D., a dual-fellowship dermatologist in hair loss and cutaneous oncology at Kopelman Hair ...

Beth Gillette is the beauty editor at Cosmopolitan with six years of experience researching, writing, and editing makeup stories that range from best setting powder to Benefit mascaras. For this story ...

The main side effect of using beef tallow on the skin—and one that I experienced—is acne. “Beef tallow is comedogenic, which ...