Can MC4R help with skin aging?

MC4R (melanocortin 4 receptor) is primarily known for its role in appetite regulation and energy balance. Some research suggests it may also influence skin pigmentation and UV response via melanocortin signaling, which could indirectly affect photoaging. However, the evidence for a direct role in skin aging is weak, mostly mechanistic or from animal studies. In consumer DNA tests, MC4R is typically included for weight-related traits, not skin aging. Skin aging is multifactorial (UV exposure, lifestyle, genetics like MC1R, collagen genes). Therefore, relying on MC4R alone for anti-aging insights is not evidence-based. The evidence level is unclear/mixed. Consumers should be cautious of direct claims linking MC4R to skin aging without robust clinical data.