The sidewall is the skin on either side of the nail plate, also known as the lateral nail fold, acts as a barrier against bacteria, fungi, and viruses. The sidewall is also the part of the nail that extends out from the physical sidewall.
Nail technicians should know as much about the inside of the nail as the outside. Here’s an anatomy lesson on the onychium. Pay attention – there’s going to be a test at the end.
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