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What causes allergic contact dermatitis?

ANSWER

Allergic contact dermatitis happens when your immune system overreacts to chemicals that are normally harmless. They can be in products you're exposed to over and over, like cleaners, colognes, hair dyes, and personal care items. Even if you've used them before, you can still have a reaction.

SOURCES:

Guideline Clearinghouse: "Contact dermatitis: a practice parameter."

Asthma and Allergy Foundation of America: "Contact Dermatitis."

Cleveland Clinic: "Contact Dermatitis."

New York-Presbyterian Hospital: "Contact Dermatitis."

Reviewed by Nayana Ambardekar on November 17, 2018

SOURCES:

Guideline Clearinghouse: "Contact dermatitis: a practice parameter."

Asthma and Allergy Foundation of America: "Contact Dermatitis."

Cleveland Clinic: "Contact Dermatitis."

New York-Presbyterian Hospital: "Contact Dermatitis."

Reviewed by Nayana Ambardekar on November 17, 2018

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What are things I might be allergic to in my makeup, hair care, or skin care products?

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