Videos
Dr. Sivak's Lab
Can skincare products become less effective over time?
I don’t know of any papers that address this issue in skincare. But we know that microbes can ...
Why does acne change cyclically? It’s the ovarian cycle.
We ignore the menstrual cycle at our own peril because it matters. Acne is common in postadolescent women, and an ...
¿Cuál es tu ingrediente favorito?
La pregunta tendría que ser: ¿Cómo elegiste tu ingrediente favorito? Si la respuesta es “todo el mundo hablaba ...