Inclusion Criteria:  Males and females at least 21 years of age presenting to the clinic for medical consultation; In good health, determined by no clinically significant findings from medical history, Willing to complete all study procedures required by the protocol; and Willing to provide informed consent to participate in this trial.  Exclusion Criteria:  Have any skin disorder including acne, rosacea, psoriasis, atopic dermatitis and active skin cancer(s) that appear in the facial area where sample collection will be taken and could confound the results of the trial; Has a suspicious lesion (i.e., actinic keratosis lesion) in an area that is expected to be sampled and requires further medical follow-up, Pregnant or breast feeding, Hospitalization within 4 weeks before enrollment, Previously provided samples for this study, Receipt of any investigational drug therapy within four weeks of study enrollment, or concurrent participation in another interventional clinical study, Documented substance abuse, any other significant medical condition that would indicate an unreasonable risk to the potential study participate or potential interference with the procedures, or would negatively affect the study subject's reliability and compliance with the study schedule of events, and Chemical peel or treatment with a laser in the facial area within 3 months prior to enrollment.