narrow, rough, frayed, or brush-like.
However, there can be overlap in appearance, which is why a doctor may need to examine the growth to determine exactly what it is.
What About a Pimple or Ingrown Hair?
A pimple usually looks different from a thread-like growth.
It may have a broader red base and can become tender, swollen, warm, or filled with white or yellow material.
An ingrown hair often produces a small inflamed bump around a hair follicle. Sometimes a trapped hair can be seen beneath the skin.
A scratch