Assess the Potential for Adrenal Suppression and Systemic Drug Absorption Following Multiple Dosing With DFD-06

Inclusion Criteria: * Subjects and the parent or legal guardian understand the study procedures and agree to participate by giving assent and written informed consent, respectively. Subject's parent or legal guardian must be willing to authorize use and disclosure of protected health information collected for the study. * Subjects must be at least 6 years and not more than 16.9 years of age, with body weight greater than or equal to 45 pounds at Screening. * Subjects must present with a clinical diagnosis of stable (at least 3 months) plaque psoriasis. * Subjects with psoriasis involving ≥10% Body Surface Area (BSA), not including the face, scalp, groin, axillae and other intertriginous areas at the Baseline Visit. * Subjects must have an Investigator Global Assessment (IGA) grade of at least 3 (moderate) at the Baseline Visit. Exclusion Criteria: * Subject has a current diagnosis of unstable forms of psoriasis including guttate, erythrodermic, exfoliative or pustular psoriasis. * Subject has a history of organ transplant requiring immunosuppression, HIV, or other immunocompromised state. * Subject has received treatment for any type of cancer within 5 years of the Baseline Visit except skin cancer and cervical cancer (in situ) are allowed if at least 1 year before the Baseline Visit. * Subject has a history or presence of intracranial hypertension. * Subject has had prolonged exposure to natural or artificial sources of ultraviolet radiation within 30 days prior to the in…