Last year, amid the investigation, the agency tallied 1,386 more complaints of hair loss and scalp irritation. And WEN settled a class-action lawsuit for $26 million. It's now in the process of compensating customers. When the settlement was announced, WEN released a statement saying that its products were safe.

Thousands of Americans, mostly women, have suffered major hair loss after using WEN hair products marketed by one of the nation's largest direct marketing firms Guthy-Renker and its Hollywood celebrity hair stylist Chaz Dean, according to documents disclosed in a class action lawsuit filed this year in federal court in ...

Unwanted Side Effects. It wasn't long until women from across the country began reporting extreme hair loss after using WEN products. Conditions such as scalp rashes, hair breakage, discoloration and general irritation were also reported.

Since their inception, WEN® products have been tested through Human Repeat Insult Patch Tests (“RIPTs”). RIPT is a standard test to determine the safety of cosmetic products. To date, the WEN® products have been tested on over 2,700 people without any adverse reactions.

Brooke Shields became a WEN ambassador in 2015, after discovering the brand to help heal her over-processed, colored hair. Over the years, his Hollywood salon has catered to celebs like Alyssa Milano, Angie Harmon, Ming-Na Wen, Charlize Theron, and Paula Abdul.

UPDATE: We received the following statement from Wen: "There is no scientific evidence to support any claim that our hair care products caused anyone to lose their hair. There are many reasons why individuals may lose their hair, all unrelated to Wen.

Our top picks: Best Supplement: Nutrafol Hair Growth Supplement, $83, $170. Best Scalp Serum: Act+Acre Cold Processed Vitamin E Scalp Detox Oil, $48. Best Hair-Regrowth Treatment: Women's Rogaine 2% Minoxidil Topical Solution, $54, $78.

Comparison

This cleansing conditioner by WEN replaces shampoo, conditioner, deep conditioner, detangle, leave-in conditioner, and even shaving cream. It is formulated to add moisture without weighing hair down. It effectively cleanses and hydrates hair without stripping or robbing it of its natural nutrients and oils.

There is no evidence that WEN products cause hair loss and the ingredients and formulations meet or exceed safety and quality standards set by the cosmetics industry. We stand behind them.

A lightweight leave-in treatment that lasts all day long, our WEN 319 Styling Creme protects your hair while styling, controls frizz, and locks in moisture for a healthy shine. Our natural glossing complex lifts your hair for flawless body and volume.

Often, the easiest way to get glossy, shiny hair is to incorporate a weekly treatment. Masks can help add shine, while restoring moisture to dry or damaged hair. Masks also help prevent frizz and flyaways. The addition of a once-a-week clarifying shampoo can benefit hair as well.