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Can cleansing conditioners cause hair loss?
Credit: Voisin/Phanie/Getty Images

In 2015, a group of 200 women in 40 states filed a class action lawsuit alleging the cleansing conditioner from Wen by Chaz Dean caused scary side effects, from scalp irritation to hair loss.

On October 31st, 2016, CBS Los Angeles reported that a federal judge in Los Angeles gave preliminary approval to a $26.3 million settlement for the suit against celebrity stylist Chaz Dean and Wen distributor Guthy-Renker. If approved by a United States district judge, customers who had adverse reactions could receive up to $20,000.

Wen is a leader in the no-shampoo movement. Many women believe that conditioner washing or “co-washing”—using only cleansing conditioner (and no shampoo)—makes their hair feel healthier, softer, and easier to manage.

But the women represented in the lawsuit say they’ve had the opposite experience: They claim Wen’s cleansing condition caused “severe and possibly permanent damage to hair, including significant hair loss to the point of visible bald spots, hair breakage, scalp irritation, and rash.”

The hair-care brand is standing by its products. “Wen by Chaz Dean is safe and we continue to provide our hundreds of thousands of customers with the Wen by Chaz Dean products that they know and love,” the company said in a statement. “Since the process of litigation is time consuming and costly, we made a business decision to pursue a settlement and put this behind us so that we can focus on delivering quality products.”