Nail fungus
A fungal infection in the nail — thickened, crumbling and discoloured.
Onychomycosis. It is slow, it does not wash off, and it needs a doctor; no salon product treats it.
A tech who declines a service because of it is doing the right thing, both for the client and for the next person in the chair.
Also called: onychomycosis, toenail fungus
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