What can red light therapy (actually) do for skin?
![headshot of dermatology professor Elma Baron](https://dailymedia.case.edu/wp-content/uploads/2016/05/18153828/elma-baron.jpg)
Self: Elma Baron, professor at the School of Medicine, said that both blue and red light have been reported to be helpful in treating acne. “For light-based therapies, a lot of parameters are a little more flexible than prescribing a drug, which has a definite dosage and duration,” she said.