Hairdresser Bladder Cancer Lawsuits Target L’Oréal, Henkel, Wella, Clairol and Other Popular Salon Dye Manufacturers

The safety of a number of widely used professional salon products have been called into question with bladder cancer lawsuits now being pursued by hair dressers nationwide.

As a growing number of hair color lawsuits continue to filed by hairdressers across the country, each raising similar allegations that routine exposure to chemicals in widely used professional salon hair dyes caused them to develop bladder cancer, the list of products and manufacturers implicated in these claims continues to expand.

The use of permanent hair dyes has been a staple in professional salons for decades, with many cosmetologists and stylists trusting these products to be safe. However, research dating back to 2001 has suggested that individuals exposed to hair dye even once a month face more than a doubled risk of developing bladder cancer, while those who used the products for 15 years or more faced triple the risk.

Research on the specific cancer risks for hairdressers were highlighted in a 2009 study published in the International Journal of Epidemiology, which found that hairdressers routinely exposed to chemicals in hair dyes face a 30% increased risk of developing bladder cancer.

As a result of these findings, a number of different hair dye manufacturers are now facing a growing wave of bladder cancer lawsuits brought by cosmetologists and salon professionals who allege that regular, long-term exposure to certain professional hair coloring products caused them to develop cancer.

The complaints claim that even when used as directed, manufacturers such as L’Oréal, Henkel, Coty and others sold hair dye products for decades without providing adequate warnings about the potential cancer risks associated with long-term occupational exposure.

In this featured article, AboutLawsuits breaks down the allegations against each manufacturer and identifies the specific salon hair dye brands named in several of the lawsuits, which are alleged to contain chemicals that may increase the risk of bladder cancer and other health issues for those exposed in professional settings.

Henkel Lawsuits Target Igora Royal and BlondMe, as well as Joico and LumiShine Products

Founded in 1876 as a detergent maker, Henkel strategically expanded into the beauty industry through its acquisition of Schwarzkopf, securing a global foothold in professional hair dye. Today, Henkel’s salon-focused product lines reach stylists and consumers worldwide, playing a major role in the color services offered in salons.

However, recent lawsuits link two flagship Schwarzkopf products, Igora Royal and BlondMe, to serious health concerns, including bladder and breast cancer diagnoses among hairdressers. Plaintiffs allege Henkel failed to disclose the presence of harmful chemicals in these products or to warn users about long-term health risks associated with continuous exposure.

• Igora Royal: Long advertised for vibrant color payoff and full gray coverage.
• BlondMe: Praised for its customizable approach to creating salon-quality blondes.

Additionally, the lawsuits have implicated products sold under the Joico and LumiShine brand names, which are both under Henkel’s umbrella.

These hairdresser lawsuits also claim Henkel and other manufacturers engaged in deceptive marketing practices. A notable example is their “Up Your Hair Game” campaign, which featured renowned athletes like Venus Williams, Aly Raisman and Megan Blunk, alongside celebrity colorists Brendnetta Ashley, Carly Zanoni and Devyn Pennell. This campaign cleverly positioned the products as not only elite choices for consumers but also as safe and essential tools for salon professionals.

By leveraging these influential figures, lawsuits claim Henkel led consumers and hairdressers to believe these products were safe, promoting widespread adoption and exposing salon workers to significant health risks without proper warnings. This deceptive strategy was key in boosting salon demand while concealing the serious health dangers associated with long-term chemical exposure, according to the complaints.

Wella Lawsuits over Koleston Perfect, Illumina Color and Color Charm Hair Dye

Founded in 1880, Wella gained recognition for pioneering hair color technology that promised both vibrancy and nourishment. Anchored in professional and consumer salons worldwide, it built a reputation for superior results. But the company now faces allegations that its top-selling lines—most notably Koleston Perfect and Illumina Color—contain harmful chemicals linked to an increased risk of cancer through repeated, long-term exposure.

• Koleston Perfect: A Wella dye line known for coverage and durability.
• Illumina Color: A Wella dye product focusing on luminous hair results.
• Color Charm: A Wella option for various shades, included in legal filings for potential carcinogenic components.

Despite these claims of exceptional performance, lawsuits assert Wella failed to disclose the potential dangers posed by its formulations, particularly to professional stylists who use them daily .

Wella’s marketing approach is alleged to have stressed the aesthetic and technological benefits—“innovative” formulas, “nourishing” properties—without sufficiently warning of the health hazards. Critics argue that this gap leaves professionals and consumers unaware of real risks and fosters the belief that these products are safer than they truly are.

Clairol Lawsuits over Nice ‘n Easy, Natural Instincts and Professional Liquicolor Permanente

Founded in 1931, Clairol made hair coloring widely accessible through innovative, at-home solutions. Although Clairol was acquired by Coty Inc. in 2016, the company divested its Professional and Retail Hair business in 2020 and no longer owns or distributes the brand.

However, Coty is still named as a defendant in several ongoing hair dye bladder cancer lawsuits, which involve alleged exposures that occurred during the years it owned Clairol and Wella. Plaintiffs claim Coty played a role in the manufacturing and marketing of Clairol hair dye products during that period, including:

The hair dye lawsuits focus on several popular Clairol products:

• Nice ‘n Easy: A permanent dye often used for at-home hair coloring.
• Natural Instincts: A semi-permanent or ammonia-free dye for gentler coloration.
• Professional Liquicolor Permanente: A Clairol line positioned for salon-oriented, long-lasting coverage.
• Clairol Professional: Another salon-focused product, alleged to have harmful chemicals.

These lawsuits assert that Clairol hair dye products contained carcinogenic chemicals that may increase the risk of bladder cancer, especially among salon professionals who used them regularly. Plaintiffs claim the companies downplayed these risks in marketing and failed to provide adequate health warnings to those most at risk from frequent, long-term occupational exposure.

L’Oréal Lawsuits Over Redken, Matrix, INOA and Majirel Hair Coloring Dye

Founded in 1909, L’Oréal is now the world’s largest cosmetics conglomerate, influencing salon trends on every continent. Despite its acclaim, recent lawsuits argue that two flagship dyes—Majirel and INOA—contain ingredients tied to an elevated cancer risk.

• Majirel: A professional hair color range for permanent coloring.
• INOA: A permanent line advertised as ammonia-free.
• Redken: Includes Color Gel, a professional hair color option noted in filings.
• Matrix: Includes So Color, another L’Oréal brand product alleged to contain potentially carcinogenic components.

Complaints assert L’Oréal focused its messaging on superior color technology—ammonia-free claims, deep color payoff—while minimizing or omitting details about the potential for carcinogenic exposure. Plaintiffs allege that professionals who apply these dyes day after day receive no clear caution or training to mitigate health risks, thus placing hairdressers and long-term consumers at heightened danger.

Although these endorsements are not cited in the ongoing lawsuits, L’Oréal has similarly employed celebrity-driven advertising. High-profile figures such as Eva Longoria (“Magic Retouch” and “Colorsonic”), Kendall Jenner (various L’Oréal Paris campaigns) and Kate Winslet (“Superior Preference” line) exemplify the brand’s emphasis on star power, an approach critics say mirrors Henkel’s technique of using influential faces to promote hair dye products without sufficiently warning about potential health hazards.

Additional Manufacturers Cited in Hair Dye Lawsuits

John Paul Mitchell Systems

• Paul Mitchell: A salon-centric product line for hair coloring.
• Color XG: A permanent color range offered to salon professionals.
• The Color: A salon formula known for gray coverage.

Chuckles, Inc. (d/b/a All-Nutrient)

• All-Nutrient: A hair color line marketed as more natural or organic.

2025 Hair Hair Color Bladder Cancer Lawsuits

In each of the bladder cancer lawsuits, hairdressers contend that the manufacturers have placed profits over the safety of salon professionals for decades, exposing them to harmful chemicals that have increased their risk of developing bladder cancer.

Hair dye cancer lawsuits are being investigated for cosmetologists, hair stylists, hairdressers, hair colorists or other licensed salon professionals that were routinely exposed to chemicals in permanent hair dye and developed bladder cancer.

If you or a loved one believe that your bladder cancer diagnosis was caused by exposure to hair dye chemicals, hair dye cancer lawyers provide free consultations and claim evaluations to help individuals throughout the United States determine whether financial compensation or settlement benefits through a hair dye cancer lawsuit may be available.