
Q2 2026 Regulatory & Compliance Deadlines
It can be hard to keep track of regulatory deadlines, so the CIRS team has put together this helpful infographic to make it a little bit easier.
April 12 – Canadian Requirements on Fragrance Allergen Disclosure Apply
All cosmetic products (new and existing) must disclose 24 specific fragrance allergens when present above the threshold concentrations (Rinse-off products ≥ 0.01%; Leave-on products ≥ 0.001%)
May 1 – Updated CLP Classification Rules for Mixtures Apply (EU)
Newly placed chemical mixtures must follow updated classification and labelling rules under amendments to the CLP Regulation.
Impacts hazard communication, SDS updates, and classification reviews.
May 1 – Cosmetics CMR Restriction Update Takes Effect (EU)
Amendments to the EU Cosmetics Regulation restricting certain carcinogenic, mutagenic and reprotoxic (CMR) substances become applicable.
May 1 – Cosmetic Products Containing 4-MBC Banned on EU Market.
· Sales ban for products containing the UV filter 4-Methylbenzylidene Camphor (4-MBC). Products must be removed from the EU market entirely.
May 1 – China’s Hazardous Chemicals Safety Law Takes Effect
The regulation upgrades hazardous chemical safety management from administrative rules to formal national law. Full-process supervision, consolidated accountability, and enhanced safety obligations become mandatory.
May 19 – Extended Hazard Communication Compliance Deadline for Chemical Substances (U.S.)
Newly manufactured chemical substances must update their SDS and labels to comply with the revised Hazard Communication Standard (HCS), aligned with GHS Rev. 7/8.
May 31 – Microplastics Reporting (EU)
Manufacturers and industrial downstream users of synthetic polymer microplastics (SPM) (pellets, flakes, powders) used as feedstock in plastic manufacturing at industrial sites must submit an annual report on emissions to ECHA.
June 1 – Regulations on the Registration Management of Overseas Production Enterprises of Imported Food Take Effect (China)
· Decree No. 280 of GACC takes effect, and Decree No. 248 of GACC is simultaneously repealed.
https://www.cirs-group.com/en/chemicals/q2-2026-regulatory-and-compliance-deadlines