Maybe people should alternate between the WEN and a regular shampoo. Photographs before the claimed hair loss and after the claimed hair loss showing the claimed damage to their hair and/or scalp.

Wen, which is owned by infomercial maker Guthy-Renker, pulled in $100 million in 2010 alone, according to Forbes. But a new lawsuit alleges that the products cause hair loss, scalp damage ...

An attorney for plaintiffs in that case told the magazine that customers suffered hair loss and scalp irritation because Wen's products were left behind on users' scalps and didn't wash out properly.