Cravos, ou comendões abertos, são comuns na acne. Folículos pilosos obstruídos refletem a luz irregularmente o que causa esta coloração escurecida.
Data da revisão:
10/8/2018
Revisão feita por:
Linda J. Vorvick, MD, Clinical Associate Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.