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.
sebum
With vs Without Active Acne: Oily Pores
Pores widened by oil: the plan with vs without active acne. A doctor in Korea on reducing oil first, treating the structure, and what to take home.