Hypothesis vs Trials: Hair Removal and Acne
Laser hair removal and acne: the 1999 sebum study vs the controlled trials. A doctor in Korea separates established evidence from mechanism.
laser-hair-removal
IPL vs Laser Home Hair Removal: The Manuals
IPL vs laser home hair removal: only one of the four major devices is a laser. A doctor reads the manuals and FDA filings on hair colour, tone and beards.