Beauty ingredient · Preservative

Octylisothiazolinone

An isothiazolinone biocide.

  • Isothiazolinone preservative
  • Preservative
  • Expert review pending

Concern level

Low concern Level 1 of 4 How concern levels work

A minor or very limited concern, such as being an ultra-processing marker only. The concern level sets how many points octylisothiazolinone costs on a product’s receipt.

What the evidence says

  • Contact allergenStrong evidence

    Isothiazolinones are a recognized cause of allergic contact dermatitis, and sensitization to newer ones such as this has been reported. [1]

Evidence tiers say how sure the evidence is, separately from how much it matters. About evidence tiers.

Names GoodSwap recognizes on labels (3)
  • oit
  • octylisothiazolinone
  • 2 octyl 4 isothiazolin 3 one

Sources

  1. Isothiazolinone derivatives and allergic contact dermatitis: a review and update

    Journal of the European Academy of Dermatology and Venereology · February 2019 · Peer-reviewed

    “Moreover, sensitization to newer and lesser known isothiazolinones has been reported.”

    doi.org