Safety Guide
Evidence-based safety information for using Methylisothiazolinone for eczema and atopic dermatitis.
Methylisothiazolinone may be used with eczema-prone skin, but introduce carefully. Avoid during active flare-ups and always patch test.
The preservative the American Contact Dermatitis Society named "Allergen of the Year" in 2013 — for a reason.
Evidence Rating
Category
preservative
What It Does
No specific health considerations documented for this ingredient.
Flip side
See the full list of ingredients to avoid for eczema.