Alexandria Apothecary Archive

Tag: contact allergens

Contact Allergens: Patch Testing and Common Irritants

Contact Allergens: Patch Testing and Common Irritants

Mar 7, 2026 / 15 Comments

Patch testing is the gold standard for identifying contact allergens causing chronic skin rashes. Learn how it works, what substances commonly trigger reactions, and how avoiding them can stop flare-ups for good.

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