Thick nails most often affect those of the feet. Beyond the unsightly appearance, this problem can worsen and cause pain or even other health problems. In this blog, your expert nail supplier Maryton will tell how to treat them and prevent them from reappearing. What causes thick toenails? There are several causes for the appearance of thick toenails. We will now discuss the most common causes of the appearance of thick toenails. A fungal infection Onychomycosis most often develops in the toenails because it needs a warm, moist environment. It therefore spreads easily and can grow rapidly. The solution to avoid onychomycosis or other mycosis is to refrain from walking barefoot i...