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© GETTY IMAGES BEST PR ACTICES 8 OCTOBER 2017 | Med Esthetics You can help patients better protect their skin from ultraviolet-induced damage by encouraging them to stick with a healthy eating schedule. A mouse study from UT Southwestern's O'Donnell Brain Institute and the University of California, Irvine, showed that eating at abnormal times disrupts the circadian rhythm of the skin and alters the potency of an enzyme that protects it against UV radiation. The study, published in Cell Reports (August 2017), showed that mice given food only during the day—an abnormal eating time for the otherwise nocturnal animals—sustained more skin damage when exposed to UVB light during the day than during the night. This outcome occurred, at least in part, because an enzyme that repairs UV-damaged skin—xeroderma pigmentosum group A (XPA)— shifted its daily cycle to be less active in the day. Mice that fed only during their usual evening times did not show altered XPA cycles and were less susceptible to daytime UV rays. The study found that besides disrupting XPA cycles, changing eating schedules could affect the expression of about 10% of the skin's genes. How- ever, more research is needed to translate these fi ndings to UV damage in people, said Bogi Ander- sen, MD, of the University of California, Irvine, who led the collaborative study with Joseph S. Takahashi, PhD, chairman of neuroscience at the O'Donnell Brain Institute. EATING HABITS AFFECT SUNBURN RISK A New Option for Online Retailing Practices that would like to offer online retail in addition to—or in lieu of—creating an in-offi ce retail center have a new option available: Exponential Faces, a turnkey e-commerce platform. Participating practices have a microsite customized to their branding where patients can purchase high-margin cosmeceutical products, and revenue is split with the practice. The platform includes proprietary software for skincare analysis as well as order fulfi llment and customer service. For more infor- mation visit exponentialfaces.com. Aesthetic practitioners offering minimally invasive injectable treat- ments for rejuvenation of the lower third of the face should start with soft-tissue fi llers to provide structure and support before consider- ing botulinum toxins to reduce fi ne lines, according to an article by Mauricio de Maio, MD, et al, published in Plastic and Reconstructive Surgery (September 2017). Treatment recommendations offered by the authors of "Facial Assessment and Injection Guide for Botulinum Toxin and Injectable Hyaluronic Acid Fillers: Focus on the Lower Face" include: • Avoid overcorrection of the lips by reviewing lip projection on the profi le view and understanding the correct ratio of lip size to chin. • Consider both profi le and anterior views when assessing the lower face, and remember that reshaping the jaw line with fi llers can provide dramatic improvement in the overall aesthetics of the face. • Use fi llers for structural support for the chin and jawline and botulinum toxins for treatment of the masseter and platysma to achieve optimal results. INJECTING THE LOWER THIRD