All subjects will be exposed to patches containing tazarotene foam, vehicle foam, and no foam (blank; negative control). Inflammatory skin responses (eg, erythema and local skin reactions) or superficial effects at patch sites will be visually assessed to corresponding grading scales. The study duration will be 6 weeks or 9 weeks and will consist of the following phases: Screening, 3 week Induction, 2 week Rest, and 1 week Challenge, and if indicated, a second 2 week Rest and 1 week Repeat Challenge.