Open-Label, Randomized Study Evaluating the Absorption and Systemic Pharmacokinetics of Topically Applied IDP-126 Gel in Comparison With Control Gel

Inclusion Criteria: 1. Male or female, at least 9 years of age (at least 12 years of age for Control Gel); 2. Verbal and signed written informed consent must be obtained. Subjects less than age of consent must sign an assent for the study and a parent or a legal guardian must sign the informed consent (if subject reaches age of consent during the study they should be re-consented at the next study visit); 3. Subject must have a score of 3 (moderate) or 4 (severe) on the Evaluator's Global Severity assessment at the screening and baseline visit Exclusion Criteria: 1. Use of an investigational drug or device within 30 days of enrollment or participation in a research study concurrent with this study; 2. Any dermatological conditions on the face that could interfere with clinical evaluations such as acne conglobata, acne fulminans, secondary acne, perioral dermatitis, clinically significant rosacea, gramnegative folliculitis, dermatitis, eczema; 3. Any underlying disease(s) or some other dermatological condition of the face that requires the use of interfering topical or systemic therapy or makes evaluations and lesion count inconclusive; 4. Subjects with a facial beard or mustache that could interfere with the study assessments; 5. Subjects with more than two (2) facial nodules; 6. Evidence or history of cosmetic-related acne