Nail Glossary by NailMOB

Nail Industry Encyclopedia & Definitions



Definition of Lunula

  1. The white semi-circle-shaped structure near the base of the nail. Also known as a “Moon”, or “Half Moon”, the Lunula is located at the base of the nail where the matrix and the connective tissue of the nail meet. The area under the lunula is the front of the matrix. The light color of the lunula may be due to the reflection of light on this soft/unhardened nail area. It has long been held that the larger and whiter the moons (lunula), the healthier the natural nail.

Added to the Nail Glossary on November 10, 2016

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