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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. Olaplex denies ...

Olaplex, facing a new lawsuit over its hair products, said tests show its products are safe. The brand, a staple in TikTok hair care routines, posted "third-party" test records on its website.

From the new three-minute No.3 Plus treatment to cult shampoos and masks, Olaplex proves why it remains a leader in ...

Olaplex is facing a lawsuit from users claiming the products made their hair fall out. But the hair care brand faces challenges growing its business, analysts say. From fending off rivals to expanding ...