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. Hair ...

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.

A few Olaplex users said their hair fell out after using the product for months or years Mica Weekes, a 29-year-old who works in human resources in the UK, estimates she lost 50% of her hair in ...

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 ...

Some 30 customers are suing Olaplex, a luxury hair care brand. 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 ...

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.

While Olaplex No.8 is not a leave-in product, I applied a pea-sized amount to the ends of my hair for extra smoothness and it worked so well, making it a multipurpose all-rounder.

Another report by Mordor Intelligence shows similar trends in the hair care products market. It has a size of $94.10 billion as of 2025 and is expected to grow at a compound annual growth rate of ...

Dozens more customers have joined an ongoing lawsuit against the TikTok-famous brand Olaplex. More than 100 customers now say in an amended suit that they suffered physical injuries like hair loss ...

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 ...

Olaplex’s No. 4 Bond Maintenance Shampoo is suitable on all hair types and is one of the most hydrating formulations we tested. Plus, it’s something you have to try for yourself at least once.