The cuticle is your hair’s protective outer layer, and when it’s healthy, it’s smooth and flat. Damage can lift some of the ...

Anyone in the U.S. who bought one or more Olaplex products with “Made in USA” labeling between Feb. 7, 2019, and Sept. 6, ...

All products featured on Glamour are independently selected by Glamour editors. However, when you buy something through our ...

“I started using Olaplex shampoo and conditioner when I bleached my hair in 2017. My hairstylist recommended the combo, and it was the only thing that made my damaged hair feel healthy ...

The American hurdler discusses her hair journey, what self-care means to her, and starring in Olaplex's new hair campaign.

Olaplex has denied wrongdoing but agreed to pay no more than $1.35 million to settle the false advertising claims. The brand labeled its hair treatment, shampoos and conditioners as “Made in USA ...