Prop 65 Notices

Prop 65 notice 2024-01826: Wella Operations US LLC

Environmental Health Advocates, Inc. filed this California Prop 65 60-day notice on May 10, 2024. It names Wella Operations US LLC and Ulta Salon, Cosmetics & Fragrance, Inc. and alleges exposure to Diethanolamine from Nioxin Scalp Care + Hair Thickening Treatment.

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
2024-01826
Date filed
Noticing party
Plaintiff attorney
Entorno Law LLP
Alleged violators
Chemicals
Source or product
Nioxin Scalp Care + Hair Thickening Treatment
Official notice
Notice PDF at oag.ca.gov
Official record
Attorney General record for 2024-01826
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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