1. An exploratory study of adherence to topical benzoyl peroxide in patients with acne vulgaris 
Brad A. Yentzer, MD, Ali Alikhan, BS, Hoa Teuschler, MS, Lisa L. Williams, CRC, Mark Tusa, MD, Alan B. Fleischer, MD, Mandeep Kaur, MBBS, MS, Rajesh Balkrishnan, PhD, Steven R. Feldman, MD, PhD 
Journal of the American Academy of Dermatology 
Volume 60, Issue 5, Pages (May 2009)
DOI: /j.jaad
Copyright © 2008 American Academy of Dermatology, Inc. Terms and Conditions

2. Fig 1
Individual subjects' adherence to topical benzoyl peroxide ranged from 14% to 79% for the 6 weeks. No subject was considered “adherent to treatment” as defined by a mean adherence of ≥80%.
Journal of the American Academy of Dermatology  , DOI: ( /j.jaad )
Copyright © 2008 American Academy of Dermatology, Inc. Terms and Conditions

3. Fig 2
Mean adherence for the group to once daily topical benzoyl peroxide 5% gel declined over the 6-week study period from 82% to 45% at a rate of approximately –1% per day (P < .001; R2 = 0.52).
Journal of the American Academy of Dermatology  , DOI: ( /j.jaad )
Copyright © 2008 American Academy of Dermatology, Inc. Terms and Conditions