Common Questions: Why Are My Toenails so Thick and Curvy? Posted bySheilaSeptember 19, 2022September 19, 2022Posted inUncategorizedTags:foot care, podiatry, senior, toenails Toenails start flat and easy to manage, but develop thickness and curvature over time. Why? Share this:TwitterFacebookLike this:Like Loading... Related Published by Sheila APRN, CNP, CFCS Certified Foot Care Specialist View more posts