Proximal nail fold Seal above the nail matrix at the proximal edge of the nail unit.Related Articles: How to Prevent Rings of Fire on the Nail PlateLangerhans Cells Protect Your Clients Skin During Nail TreatmentUnderstanding the Eponychium vs. CuticleCuticle Oils: Why ‘Dead’ Nails Still Desperately Need Them!Understanding Free Edge Peeling