Probaby: but since you don't leave the shampoo on the hair for more than minutes, placing it on the skin undiluted may cause an irritant and not an allergic reaction. Even if you are truly allergic to one of the ingredients, it may take from 24 to 72 hrs to show a reaction. This is not a task for amateur.
Answered 2/10/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
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