Compliance and sunscreens.

Part of the controversy surrounding sunscreens deals with issues of compliance. Sunscreens do not work if they remain in the bottle. It is estimated that the average United States adult uses less than one bottle of sunscreen per year. Clearly, this is indicative of poor compliance, since one bottle, if applied as directed on a daily basis, should last 1 month. What are some of the issues surrounding compliance? Why is compliance a problem? What can be done to improve sunscreen compliance? These are some of the issues addressed in this article.