My InsiderI've been using Olaplex No. 3 on and off for a year to keep my hair strong and healthy. After not using it for two months, I was impressed with how well it worked after just one wash. It ...

Olaplex heard our prayers when developing this bad boy because it refreshes hair without any annoying residue. Gillette loves it so much, that she stockpiles cans at her desk.

By far the most loved of all Olaplex's favorites, their No.3 Hair Perfector is used by several Women's Health editors and has over 100,000 five-star reviews on Amazon alone.

The plaintiffs allege the Olaplex products do the opposite, leaving their hair "dry, brittle, frizzy and dull," according to the lawsuit, which was filed Thursday in district court in California ...

“I have been using Olaplex No. 9 Bond Protector Nourishing Hair Serum – a leave-in and it seems incredible, my hair is a little damaged and dull, I apply the product and then comb all my hair ...

Some Olaplex users said that their hair was damaged after they used the brand's products. Insider interviewed 10 people who used Olaplex and reported negative side effects on social media.

Olaplex has established itself as an accessible luxury hair care brand that delivers professional-grade results even for its at-home treatments. Take the viral Olpalex No. 3 Hair Repair Perfector ...

Women claim in a lawsuit Olaplex's range of products, numbered 0 through 9, contain allergens and irritants that caused hair loss and other problems, including contact dermatitis and brittleness.

Olaplex, a beauty brand favored by TikTok and Instagram influencers, sells hair products that dozens of customers allege caused “serious injury,” according to a lawsuit filed last week ...

Here, PureWow’s Editor-in-Chief, Jillian Quint, tests two popular products—K18’s Leave-In Molecular Repair Hair Mask vs Olaplex’s No. 3 Hair Repair Perfector—to see which one comes out ...