16-Week Randomized Split-Face Efficacy Study of Cosmetic Formulations in Photoaged Pigmented Skin Subjects
16-Week Randomized Split-Face Efficacy Study of Cosmetic Formulations in Photoaged Pigmented Skin Subjects
The objective of this study is to determine the efficacy of seven different formulations currently marketed and commercially available cosmetic products on skin tone evenness, post-inflammatory hyperpigmentation, and discrete pigmentation in females of Fitzpatrick skin types IV-VI.
This is a single site, double-blind randomized, split face, efficacy study. All subjects will receive a cleanser, Day Cream/sunscreen, and two treatment products. The treatment products will be applied in a split face fashion including behind the ear.
Local volunteer subjects will be enrolled such that a total of eighty-four (84) subjects will complete the study; with 24 subjects completing in each treatment.
Each subject will receive a cleanser, Day Cream/sunscreen and two treatment products as per the randomization. Subjects will use the cleanser twice daily, Day Cream/sunscreen in the morning, and the treatment products as specified after cleansing in the evening, for a period of 16 weeks. Clinical assessments, non-invasive instrument measurements and photographs will be completed at baseline and weeks 4, 8, 12, and 16. Biopsies will be taken at baseline and Week 16.
Inclusion Criteria:
Medically acceptable forms of birth control that may be used by the subject and/or his/her partner include:
Exclusion Criteria:
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