Upcoming changes

2 rules in Proposition 65 list of chemicals known to the State to cause cancer or reproductive toxicity (27 CCR 27001), OEHHA list, for products sold, from 8 Dec 2026. Applies when: Seller has 10 or more employees; Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical.

• Bisphenol S (BPS) (CAS 80-09-1)

  Listed 2025-12-08 (developmental). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.

• N-Methyl-N-Formylhydrazine (CAS 758-17-8)

  Listed 2025-12-08 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.

6 rules in California Toxic-Free Cosmetics Act and C.U.R.L. Act (Health and Safety Code ch. 14, 108980 et seq.), for products sold, from 1 Jan 2027. Applies to every product in the category.

• Banned cosmetic ingredients from 2027 as defined in California (US state)
• Boric acid (CAS 10043-35-3)
• Musk ketone (4'-tert-Butyl-2',6'-dimethyl-3',5'-dinitroacetophenone; CAS 81-14-1)

  Max 0 % (content basis) in oral products

  Max 0.042 % (content basis) in all other products

  Max 0.56 % (content basis) in eau de toilette

  Max 1.4 % (content basis) in fine fragrance products

4 rules in Proposition 65 list of chemicals known to the State to cause cancer or reproductive toxicity (27 CCR 27001), OEHHA list, for products sold, from 17 Jul 2027. Applies when: Seller has 10 or more employees; Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to this chemical.

• Hydrochlorothiazide

  Listed 2026-07-17 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.

• Tacrolimus (CAS 104987-11-3)

  Listed 2026-07-17 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.

• Voriconazole

  Listed 2026-07-17 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.

• Welding Fumes

  Listed 2026-07-17 (cancer). Grace period: "Proposition 65 warning requirements do not apply until 12 months after the chemical has been listed" (Appendix A); listing date plus 12 months.

8 rules in Proposition 65 clear and reasonable warning regulations (27 CCR Article 6, OEHHA consolidation April 2025), for products manufactured, from 1 Jan 2028. Applies when: Your business has 10 or more employees and the product knowingly and intentionally exposes someone in California to a listed chemical.

• Consumer products that expose a person to a chemical on the Proposition 65 list

  Short-form text required for products manufactured on or after 2028-01-01; available as an option earlier (§25603(b)). Products manufactured and labeled before 2028-01-01 may keep the §25603(c) legacy short form.