Isothiazolinones

A family of broad-spectrum biocides and preservatives (including MIT, CIT, BIT, and OIT) widely used in consumer and industrial products, subject to strict concentration limits and restrictions due to skin sensitisation and environmental toxicity.

Foresight tracks Isothiazolinones developments and surfaces the alerts most likely to matter before they turn into missed deadlines, recalls, or escalation work.

Current activity

Steady

In line with the prior 8-week baseline

3-month trend

Latest alerts below

Last updated

25 March 2026, 21:42

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Latest Isothiazolinones alerts

The most recent regulatory and guidance signals tracked by Foresight

EU BPC Issues Opinions on Minor Changes to Union Authorisations for SOPUROXID and C(M)IT/MIT & Glutaraldehyde Formulations

The EU Biocidal Products Committee has approved minor changes to Union authorisations for SOPUROXID and C(M)IT/MIT & Glutaraldehyde formulations. These opinions enable classification downgrades and expanded packaging options, while highlighting the rigorous technical equivalence standards required for manufacturing site updates.

echa.europa.euEuropean UnionEuropean Union

California DPR Lists Pesticide Products Entering Evaluation Process (Volume 2026-11)

California DPR has initiated technical evaluations for several pesticide and disinfectant products, including new registrations and label amendments for insecticides and wood preservatives. These reviews signal upcoming shifts in permitted label claims and market availability for specific biocidal and antimicrobial formulations in California.

content.govdelivery.comUnited StatesUnited States

GB HSE Highlights Biocides Active Substance Renewal Submission Deadlines

The UK HSE has issued a critical reminder for 550-day renewal submission deadlines for several biocidal active substances, including MIT and OIT, under the GB BPR. Businesses must ensure renewal applications are supported by the 2026-2027 deadlines to prevent the loss of market access for biocidal products and treated articles in Great Britain.

content.govdelivery.comUnited KingdomUnited Kingdom

EU – ECHA Updates Biocidal Products Review Programme Notifications For Hydrogen Peroxide And Other Active Substances

ECHA updated the BPR Review Programme list in March 2026, setting new application deadlines for hydrogen peroxide and chlorine dioxide while confirming several unsupported substance/PT combinations. Companies must initiate phase-out plans for biocidal products containing unsupported substances like BIT or Geraniol in specific uses to mitigate market exit risks.

echa.europa.euEuropean UnionEuropean Union

Netherlands RIVM Updates Children's Exposure to Isothiazolinones and Parabens

The Dutch RIVM has confirmed that aggregate exposure of children to isothiazolinone and paraben preservatives in personal care products remains within safe levels. This finding stabilizes the near-term regulatory outlook for these preservatives while reinforcing the use of refined aggregate modeling as the standard for future safety assessments.

rivm.nlNetherlandsNetherlands

EU BPC Issues February 2026 Biocides Opinions Including Ethanol Approval Support

ECHA’s Biocidal Products Committee has supported the approval of ethanol for disinfectants and the renewal of hydrochloric acid, while rejecting DMDMH for preservative uses (February 2026). These opinions signal upcoming European Commission decisions, requiring manufacturers to prepare for new product authorisation requirements or potential market withdrawals for non-approved substances.

echa.europa.euEuropean UnionEuropean Union

EU Draft Implementing Decision on Non-Approval of Terbutryn, BIT and Related Biocidal Substances

The EU has proposed the non-approval of Terbutryn, BIT, and a formaldehyde-releasing substance for specific biocidal product types. Impacted businesses must prepare for the phase-out of these substances in biocidal products and treated articles, requiring urgent substitution planning and supply chain assessments.

eping.wto.orgEuropean UnionEuropean Union

ECHA Updates BPR Review Programme List Of Notifications (20 February 2026)

ECHA’s updated BPR Review Programme list sets critical 2026-2027 application deadlines for hydrogen peroxide and chlorine dioxide while confirming phase-outs for several other substances. Impacted businesses must secure dossier submissions for supported substances or execute withdrawal strategies for products containing unsupported actives like BIT and ADBAC.

echa.europa.euEuropean UnionEuropean Union

Northern Ireland: HSE Highlights EU BPR Deadlines For Selected Biocidal Active Substances

Approaching EU BPR deadlines in Northern Ireland require active substance renewal submissions by August 2026 and product authorisations by February 2027. Impacted companies must secure these approvals to prevent the mandatory withdrawal of disinfectants, insecticides, and treated articles from the market.

content.govdelivery.comUnited KingdomUnited KingdomEuropean UnionEuropean Union

China NMPA Issues Notice Listing 50 Batches of Non-Compliant Cosmetics (2026 No. 6)

China's NMPA has flagged 50 batches of cosmetics for non-compliance following the 2025 national sampling inspection, targeting issues in hair dyes, sunscreens, and shampoos. This enforcement action underscores the regulator's focus on formula consistency and ingredient safety, requiring manufacturers to tighten quality control and ensure alignment between registered dossiers and physical products.

nmpa.gov.cnChinaChina

Japan Consults on Draft ISHA Amendments on Chemical Label/SDS Scope and Carcinogen Record-Retention

Japan is consulting on draft amendments to the Industrial Safety and Health Act (ISHA) to expand the list of substances requiring mandatory labelling and Safety Data Sheets (SDS) by April 2028. The proposal also introduces a 30-year record-retention requirement for carcinogenic substances, signaling a long-term shift toward stricter occupational health oversight and hazard communication for industrial chemicals.

public-comment.e-gov.go.jpJapanJapan

UK HSE Reminds of Non-Approval Planned For BIT And Terbutryn (Product Type 9) Under EU BPR

The EU is moving toward non-approval of 1,2-benzisothiazol-3(2H)-one (BIT) and terbutryn for use in product type 9 (fibre, leather, rubber and polymerised materials preservatives) due to a lack of industry support in the Review Programme. Companies supplying treated articles or biocidal products in Northern Ireland must prepare for market withdrawal and identify alternative preservatives to avoid supply chain disruption.

content.govdelivery.comEuropean UnionEuropean UnionUnited KingdomUnited Kingdom

Netherlands Ctgb Publishes Registrations for Plant Protection Products and Biocides (Stcrt. 2026, 712)

The Dutch Ctgb has published updated registrations and authorization details for plant protection products and biocides (January 2026). Impacted businesses must verify their specific product listings to ensure uninterrupted market access and compliance with Dutch-specific use and labeling requirements.

zoek.officielebekendmakingen.nlNetherlandsNetherlands

HSE Highlights EU BPR Active Substance Renewal Deadlines for Northern Ireland

The UK HSE has issued a reminder for upcoming EU BPR active substance renewal deadlines in Northern Ireland, with the first critical submission window closing in March 2026. Companies must coordinate with suppliers or consortia to ensure renewal applications are submitted to ECHA 550 days before expiry to maintain market access for biocidal products and treated articles.

content.govdelivery.comUnited KingdomUnited Kingdom

ECHA Updates BPR Treated Articles Article 94 List With New Hydrogen Peroxide And TCDO AS-PT Combinations

ECHA has updated the BPR Article 94 list for treated articles, adding new notifications for hydrogen peroxide and chlorine dioxide and clarifying phase-out dates for rejected substances. Manufacturers should audit biocidal treatments in their products to ensure alignment with upcoming 2026-2027 dossier deadlines and avoid market access disruptions for withdrawn combinations.

echa.europa.euEuropean UnionEuropean Union

GB HSE Highlights Upcoming GB BPR Active Substance Renewal Submission Deadlines

The UK HSE has confirmed renewal application deadlines for multiple biocidal active substances, including peracetic acid and isothiazolinones, between March 2026 and June 2027. Companies must submit renewal applications at least 550 days before expiry to avoid the mandatory withdrawal of biocidal products and treated articles from the GB market.

content.govdelivery.comUnited KingdomUnited Kingdom

Japan MHLW Proposes Adding 36 Controlled Chemicals to ISHA Labelling and SDS Obligations

Japan is expanding mandatory labelling and SDS obligations under the Industrial Safety and Health Act to include 36 additional substances, including several PFAS. Manufacturers and importers should audit Japanese portfolios for these substances to ensure compliance with hazard communication requirements ahead of the April 2028 enforcement date.

mhlw.go.jpJapanJapan

Commission Decision C(2025) 8879: Revised EU Ecolabel Criteria for Paints and Varnishes

The European Commission adopted revised EU Ecolabel criteria for paints and varnishes in December 2025, significantly tightening restrictions on hazardous substances and VOCs. Companies must audit formulations against new limits for isothiazolinones and titanium dioxide to retain market differentiation through the EU’s premier voluntary sustainability mark.

ec.europa.euEuropean UnionEuropean Union

EU Authorises CMIT/MIT Solvent-Based Biocidal Product Family

The EU has granted a 10-year Union authorisation for the 'CMIT/MIT SOLVENT BASED' biocidal product family, valid until February 2033 for fuel and oil preservation. Companies must navigate specific geographical exclusions and strict professional-use restrictions to ensure compliant distribution and application across the European market.

eur-lex.europa.euEuropean UnionEuropean Union

ECHA Releases Revised Agenda for Biocides Working Group Meeting IV-2025

ECHA's Biocides Working Group is reviewing key active substances and product family authorisations throughout December 2025. Impacted firms should monitor discussions on substances like CMIT/MIT and PAA-based disinfectants to anticipate shifts in authorization conditions or technical guidance.

echa.europa.euEuropean UnionEuropean Union

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