By looking: An ingrown hair is a hair shaft that is growing into the skin instead of outward; a blackhead is a plugged-up oil gland with a dot of dark pigment (not dirt) on top. Both are identified visually.
Answered 9/28/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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