Ingredient
Methylisothiazolinone
High concern
Linked to health concerns. We’d skip products that lean on this.
What it is
Methylisothiazolinone, a strong preservative.
Why it’s used
Tiny doses, strong effect — too strong for many skins.
What to know
A well-known contact allergen. High concern in leave-on, still a flag in rinse-off.
Who should skip
Eczema, fragrance-allergic people, children.
A gentler swap
MIT-free washes. They exist in every supermarket now.
You’ll see it in
Shampoo, wet wipes, body wash.
- Extra care in pregnancy
- Extra care for children
Found in
- No catalog matches yet.
