MCI/MI in MOIST WIPES (Methylchloroisothiazolinone / Methylisothiazolinone): Allergen or Not An Allergen? 5 years ago Laura Allergen, Not An Allergen, Skin ••• Allergen. MCI/MI (Methylchloroisothiazolinone/methylisothiazolinone) While the full name is a mouthful, you might have heard of MCI/MI. Se... Read More