Methylisothiazolinone (MI)

Supporting ingredient

A preservative that is a well-known contact allergen. It is restricted in leave-on products in the EU and still allowed in rinse-off ones.

If you know you react to MI, check this line on every label.

Products here that list it

• frenshe Moisture Shampoo

  Shampoo
  Checked vs brand/retailer

• Mielle Lavender & Lychee Scalp Soothing Conditioner

  Conditioner
  Checked vs brand/retailer

• VERB Ghost Shampoo

  Shampoo
  Checked vs brand/retailer

Questions

Is Methylisothiazolinone (MI) a sulfate?

No.