Besides a hair-loss lawsuit, Olaplex faces challenges growing the brand, from getting into new salons to maintaining market share against rivals.

Olaplex's sales fell as the company dealt with competition with other bond-building shampoos and a lawsuit from users claiming hair loss.

After a summer in the sun, Jessica Auriana said she felt like her hair was left dry and brittle. Looking for a refresh, the 44-year-old said she turned to her hairstylist, who suggested the Olaplex ...

*The hair relaxer cancer lawsuit is based on studies showing a strong link between chemical hair straighteners and hormone-sensitive cancers. The most influential research came in 2022 from the ...

The lawyers expect hundreds more plaintiffs to join the case. A federal lawsuit listing L'Oreal USA and various other companies, claims these businesses sell products that cause cancer and other ...