NewBeauty Readers’ Most-Purchased Products of December 2025

Martha Stewart and dermatologist Dhaval Bhanusali, MD teamed up years ago to create ELM Biosciences, and “the hero serum—A3O Elemental—was the foundation,” our editor reports. “A first-of-its-kind antioxidant serum, it harnesses the power of ELM Bioscience’s patent-pending A3O Complex, which comprises acetyl zingerone, bakuchiol and a ferulic acid ester.” Dr. Bhanusali adds, “A3O really looks at the different components of antioxidant/anti-inflammatory/anti-aging complex.”