Prop 65 Notices

Prop 65 notice 2024-02381: Hoyu America Co.

Initiative for Safer Cosmetics filed this California Prop 65 60-day notice on June 16, 2024. It names Hoyu America Co., The Procter & Gamble Company and Dollar General Corporation and alleges exposure to Diethanolamine from BIGEN Semi-permanent Hair Color.

The violations below are alleged in a 60-day notice. They are not proven. A 60-day notice is not a lawsuit and not a finding of liability.

AG number
2024-02381
Date filed
Noticing party
Plaintiff attorney
Cliffwood Law Firm, PC
Alleged violators
Chemicals
Source or product
BIGEN Semi-permanent Hair Color
Official notice
Notice PDF at oag.ca.gov
Official record
Attorney General record for 2024-02381
Last checked
November 11, 2026

What happened after this notice

Outcomes for this notice have not been checked yet. A settlement is not an admission and not a finding that anyone broke the law.

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Other notices naming Hoyu America Co.

  • Hoyu America Co. and 2 more: Diethanolamine in BIGEN Semi-permanent Hair Color
    Notice 2025-01159, filed 2025-04-11 by Initiative for Safer Cosmetics
  • Hoyu America Co. and 2 more: Diethanolamine in BIGEN Semi-permanent Hair Color
    Notice 2025-01152, filed 2025-04-11 by Initiative for Safer Cosmetics

Recent notices filed by Initiative for Safer Cosmetics