Look at hair product: One possible trigger is the methyl paraben additive that some hair products have as a stabilizer. Sometimes this additive is associated with acne breakouts. Since the suds/debris drains down your shoulders and back, local contact reaction may be an issue. If you are using one with the additive, try finding one without.
Answered 4/24/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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