Lawsuit Claims Paul Mitchell, Redken, Other Hair Dyes Led to Bladder Cancer Diagnosis for Hairdresser
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Hair Color Lawsuit Alleges Bladder Cancer Caused by Salon Dye L’Oreal and other cosmetics companies failed to warn hairdressers about the health risks associated with professional salon dye products, according to bladder cancer lawsuit filed by New Jersey cosmetologist. April 25, 2025 Irvin Jackson Add Your Comments A New Jersey cosmetologist has filed a hair dye lawsuit, alleging her bladder cancer was caused by more than 50 years of regular exposure to chemical hair coloring products. The complaint (PDF) was brought by Patrice Colamesta on Wednesday in Los Angeles Superior Court, naming L’Oreal, Wella Professionals, Coty, Inc., Clairol, Kohlberg Kravis Robert & Co., Inc., Bristol-Myers Squibb, Procter & Gamble Hair Care, LLC, Schwarzkopf, Henkel and John Paul Mitchell Systems as defendants. Bladder cancer is the ninth most common form of cancer in the U.S., with research showing about 83,000 bladder cancer diagnoses and about 16,000 deaths per year. In addition, about five percent of all bladder cancer cases are believed to be caused by occupational exposures. The bladder cancer risks from occupational exposure for hairdressers have recently been identified in a growing body of scientific literature, which links prolonged contact with certain aromatic amines and chemicals found in hair dyes to an increased risk of developing bladder cancer. As a result of these findings, a growing number of hair color lawsuits like Colamesta’s have been filed against cosmetic manufacturers in recent months, as more cosmetologists learn of the potential health risks linked to long-term hair dye exposure. HAIR DYE CANCER LAWSUITS are you a hairdresser that was diagnosed with bladder cancer? Hair dye bladder cancer lawsuits are being pursued for salon professionals who were routinely exposed to hair dye chemicals and diagnosed with bladder cancer. See if you qualify for a hair dye cancer lawsuit settlement. Learn More SEE IF YOU QUALIFY FOR COMPENSATION HAIR DYE CANCER LAWSUITS are you a hairdresser that was diagnosed with bladder cancer? Hair dye bladder cancer lawsuits are being pursued for salon professionals who were routinely exposed to hair dye chemicals and diagnosed with bladder cancer. See if you qualify for a hair dye cancer lawsuit settlement. Learn More SEE IF YOU QUALIFY FOR COMPENSATION According to the lawsuit, Colamesta began working as a licensed cosmetologist in 1972, during which time she was regularly exposed to hair color products at the salon where she was employed. In addition, Colamesta indicates she was further exposed to the hair dye chemicals through the process of mixing, applying, cleaning, inhaling, and removing hair color products. The residue from these products were often left on bowls, brushes, towels, sinks and table tops on a daily basis, she states. Colamesta was diagnosed with bladder cancer in January 2021, which the lawsuit argues was a direct and proximate result of her work with hair color products. “The cosmetic industry is self-regulated by manufacturers of cosmetic products,” the lawsuit states. “Therefore, the manufacturers of cosmetics are solely and legally responsible for ensuring the safety of their products to the public and making sure they are properly labeled.” Colamesta indicates that the cosmetics industry has failed to provide adequate warnings throughout her entire 52-year career. She is presenting claims of failure to warn, design defect, negligent failure to warn, deceit by concealment and violations of California Unfair Competition Law. Hair Color Lawsuits Hair dye manufacturers are now facing a series of hair dye bladder cancer lawsuits being filed by salon professionals diagnosed with bladder cancer after years of repeated exposure to toxic chemicals found in coloring products. These lawsuits claim that companies like L’Oreal, Clairol, Wella and others failed to warn stylists and cosmetologists about the long-term health risks associated with ingredients in permanent and semi-permanent hair dyes—particularly aromatic amines, PPD and other known carcinogens. Unlike the occasional consumer, hair stylists face near-daily exposure to these chemicals over the course of years or decades, often applying dye to multiple clients per day. Even when using gloves, stylists remain at risk through inhalation of fumes, skin absorption, and contact with contaminated tools and surfaces. Each of these lawsuits allege that manufacturers failed to disclose the presence of carcinogenic ingredients and ignored mounting scientific evidence that long-term, repeated exposure could be harmful. Stylists say they were never warned about the need for heightened ventilation or other safety precautions, leaving them unknowingly exposed throughout their careers. Hair color cancer lawsuits are being investigated for cosmetologists, hair stylists, hairdressers, hair colorists or other licensed salon professionals who were routinely exposed to chemicals in permanent hair dye and later diagnosed with bladder cancer. To help hairdressers and stylists determine if they may be eligible for financial compensation or settlement benefits, hair color lawyers are providing free consultations and claim evaluations for individuals throughout the U.S. Tags: Bladder Cancer, Bristol Myer Squibb, Cancer, Chemicals, Clairol, Cosmetologist, Hair Dye, Hair Dye Cancer Lawsuit, Hair Dye Wrongful Death Lawsuit, L'Oreal, Procter & Gamble, Wrongful Death More Hair Dye Stories 12 Hair Dye Lawsuits Over Bladder Cancer Risks Assigned to One Judge in California State Court July 1, 2025 Judge To Meet With Hair Dye Lawyers in Bladder Cancer Lawsuit for Initial Status Conference June 16, 2025 Lawsuit Claims Paul Mitchell, Redken, Other Hair Dyes Led to Bladder Cancer Diagnosis for Hairdresser May 9, 2025 Find Out If You Qualify For A Hair Dye Cancer Lawsuit 0 Comments Share Your CommentsFirst Name*Last NameEmail* Shared Comments*This field is hidden when viewing the formI authorize the above comments be posted on this page Yes No Post Comment I authorize the above comments be posted on this page Weekly Digest Opt-In Yes, send me a weekly email with the latest lawsuits, recalls and warnings. Want your comments reviewed by a lawyer?To have an attorney review your comments and contact you about a potential case, provide your contact information below. This will not be published.Contact Phone #Alt Phone #Private CommentsNOTE: Providing information for review by an attorney does not form an attorney-client relationship.CAPTCHAGA SourceGA CampaignGA MediumGA ContentGA TermPhoneThis field is for validation purposes and should be left unchanged. Δ MORE TOP STORIES 12 Hair Dye Lawsuits Over Bladder Cancer Risks Assigned to One Judge in California State Court (Posted: yesterday) A dozen hair dye lawsuits over bladder cancer risks have been consolidated under one California state judge for coordinated pretrial proceedings. MORE ABOUT: HAIR DYE LAWSUITJudge To Meet With Hair Dye Lawyers in Bladder Cancer Lawsuit for Initial Status Conference (06/16/2025)Lawsuit Claims Paul Mitchell, Redken, Other Hair Dyes Led to Bladder Cancer Diagnosis for Hairdresser (05/09/2025)Salon Stylist Files Lawsuit Over Bladder Cancer From Hair Dye Products (05/02/2025) BioZorb Implant Removal Surgery: What Women Need To Know When the Device Fails To Dissolve (Posted: 2 days ago) Following a Class I recall, more than 100 BioZorb lawsuits have been filed by breast cancer survivors who suffered painful complications after the surgical tissue marker failed to dissolve as intended. MORE ABOUT: BIOZORB LAWSUITLawsuit Claims Biozorb Implant Penetrated Skin, Causing Massive Infection (06/04/2025)Breast Cancer Survivors File BioZorb Tissue Marker Lawsuit After Implant Fails (05/20/2025)BioZorb Implant Lawsuit Alleges Tissue Marker Caused Swelling, Fluid Buildup and Chronic Pain (05/14/2025) Whippet Lawsuit Alleges Nitrous Oxide Addiction Resulted in Paralysis, Nerve Damage (Posted: 5 days ago) A class action lawsuit claims nitrous oxide canisters sold under names like GreatWhip and Galaxy Gas were illegally marketed for recreational use, leading to widespread addiction, nerve damage and paralysis among young users. MORE ABOUT: NITROUS OXIDE LAWSUITGalaxy Gas Class Action Lawsuit Over Deceptive Marketing of Nitrous Oxide Amended (06/16/2025)FDA Updates List of Nitrous Oxide Inhalant Products That Pose Serious Health Risks (06/06/2025)Nitrous Oxide Addiction Lawsuit Claims Manufacturer Concealed Galaxy Gas Side Effects (05/01/2025)
12 Hair Dye Lawsuits Over Bladder Cancer Risks Assigned to One Judge in California State Court July 1, 2025
Judge To Meet With Hair Dye Lawyers in Bladder Cancer Lawsuit for Initial Status Conference June 16, 2025
Lawsuit Claims Paul Mitchell, Redken, Other Hair Dyes Led to Bladder Cancer Diagnosis for Hairdresser May 9, 2025
12 Hair Dye Lawsuits Over Bladder Cancer Risks Assigned to One Judge in California State Court (Posted: yesterday) A dozen hair dye lawsuits over bladder cancer risks have been consolidated under one California state judge for coordinated pretrial proceedings. MORE ABOUT: HAIR DYE LAWSUITJudge To Meet With Hair Dye Lawyers in Bladder Cancer Lawsuit for Initial Status Conference (06/16/2025)Lawsuit Claims Paul Mitchell, Redken, Other Hair Dyes Led to Bladder Cancer Diagnosis for Hairdresser (05/09/2025)Salon Stylist Files Lawsuit Over Bladder Cancer From Hair Dye Products (05/02/2025)
BioZorb Implant Removal Surgery: What Women Need To Know When the Device Fails To Dissolve (Posted: 2 days ago) Following a Class I recall, more than 100 BioZorb lawsuits have been filed by breast cancer survivors who suffered painful complications after the surgical tissue marker failed to dissolve as intended. MORE ABOUT: BIOZORB LAWSUITLawsuit Claims Biozorb Implant Penetrated Skin, Causing Massive Infection (06/04/2025)Breast Cancer Survivors File BioZorb Tissue Marker Lawsuit After Implant Fails (05/20/2025)BioZorb Implant Lawsuit Alleges Tissue Marker Caused Swelling, Fluid Buildup and Chronic Pain (05/14/2025)
Whippet Lawsuit Alleges Nitrous Oxide Addiction Resulted in Paralysis, Nerve Damage (Posted: 5 days ago) A class action lawsuit claims nitrous oxide canisters sold under names like GreatWhip and Galaxy Gas were illegally marketed for recreational use, leading to widespread addiction, nerve damage and paralysis among young users. MORE ABOUT: NITROUS OXIDE LAWSUITGalaxy Gas Class Action Lawsuit Over Deceptive Marketing of Nitrous Oxide Amended (06/16/2025)FDA Updates List of Nitrous Oxide Inhalant Products That Pose Serious Health Risks (06/06/2025)Nitrous Oxide Addiction Lawsuit Claims Manufacturer Concealed Galaxy Gas Side Effects (05/01/2025)