What Is a Serum?
There are no more confusing terms in all of skincare than "Serum." It connotes luxury and efficacy, but what is a serum? And which of the following do you think is a serum: Vaseline Pure Petroleum Jelly, Garnier Skin Renew Regenerating Serum, or Johnson and Johnson Baby Shampoo? In this episode of DermTV, Dr. Schultz answers just that question as well as what is a serum.