Dark Neck (Acanthosis Nigricans): Evidence-Based Causes, Risk Assessment, and Safe Skin Management Approaches
Dark neck is a descriptive term used by patients to refer to hyperpigmented, velvety, or thickened skin on the posterior neck, underarms, groin, or other intertriginous areas. Clinically, this appearance most commonly reflects acanthosis nigricans, a pattern of epidermal and dermal change driven by chronic metabolic signaling. While many people associate darkening with “dirt” or… Read More »