If you’ve been debating whether collagen creams can erase wrinkles, dermatologist Dr. Shirin Idriss is here to clear things up. In a viral video, she breaks down what really works—and what’s mostly ...

Collagen is an important protein naturally found in connective tissues, bones, muscles, and cartilage. Collagen supplements are everywhere, promising to reduce wrinkles, strengthen hair and nails, and ...