Part 2: The Biological Reality of Vertical Nail Ridges

Understanding the anatomy of the nail matrix helps separate natural physiological changes from online health scares.

Fingernails are made of keratin proteins produced by the nail matrix beneath the cuticle. As people age, cell turnover slows down and natural oil production decreases, causing the nail bed to form subtle, vertical longitudinal ridges—much like skin developing fine wrinkles.

👇 HEAD TO PART 3 TO LEARN 5 COMMON CAUSES OF NAIL RIDGES!