Lawsuit Investigation: Formaldehyde, Sulfates in Shampoo, Keratin Hair Products

Last Updated on July 2, 2024

Investigation Complete

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Case Update

October 21, 2022 – Investigation Closed, Lawsuits Filed

At A Glance

This Alert Affects:
Anyone who purchased a hair product listed on this page and experienced hair loss or scalp irritation after use.
What’s Going On?
Attorneys working with are investigating whether class action lawsuits can be filed against the makers of shampoo and hair products containing DMDM hydantoin or sodium lauryl sulfate (SLS).
What’s the Problem with These Ingredients?
DMDM hydantoin works by releasing small amounts of formaldehyde and may cause harmful side effects, such as hair loss and scalp irritation, in some users. Sodium lauryl sulfate, an ingredient used in shampoos to trap dirt, has also been linked to skin irritation.
Which Haircare Products Are Under Investigation?
The list of products currently under investigation is as follows: OGX Ever Straightening Plus Brazilian Keratin Therapy Shampoo; Keratin Complex Smoothing Therapy Keratin Color Care Shampoo; It’s A 10 Miracle Shampoo Plus Keratin; Paul Mitchell’s Tea Tree Hair and Body Moisturizer; TIGI Bed Head Dumb Blonde Shampoo; Finesse 2-in-1 Moisturizing Shampoo and Conditioner; Got2b Phenomenal 2-in-1 Thickening Shampoo; Maui Moisture Color Protection + Sea Minerals Conditioner; and a number of Nexxus, Aussie, Mane 'n Tail, and Dove haircare products.
How a Class Action Can Help
A class action could help people get back some of the money they spent on the hair products. It could also force the manufacturers to be more upfront about the possible side effects of sodium lauryl sulfate, DMDM hydantoin and formaldehyde.