Yes. Low zinc is associated with both worsened acne and impaired wound healing, because zinc is a required cofactor in over three hundred enzymes — including those involved in collagen synthesis, epidermal regeneration, and skin immune function.
The wound healing evidence is well-established. Zinc-dependent enzymes are required for keratinocyte migration, matrix deposition, and immune signaling during repair. Deficiency slows every stage of the process (Lansdown, 2007).
The acne evidence is also strong. Multiple randomized trials have shown zinc supplementation reduces inflammatory acne lesion counts, particularly in women with baseline low zinc status (Cervantes, 2018). Zinc's mechanism appears to work through reduced sebum production, modulation of the skin microbiome, and direct anti-inflammatory activity.
Serum zinc is the clinically-available measurement. Standard reference ranges are wide — 70-120 μg/dL — and the low end of clinical normal is inadequate for skin function. Symptoms that show up before serum zinc reaches deficient territory: white spots on nails, slow-healing cuts, prolonged post-acne marks, more frequent skin infections.
Repletion is straightforward. Zinc picolinate 15-30 mg daily, taken with food, is the standard supplementation. Long-term use above 40 mg/day requires paired copper supplementation to avoid inducing copper deficiency.
Zinc is one of the nine biomarkers on the JenSkin panel.