A beauty writer tests Olaplex's No.0.5 Hydrating and Strengthening Scalp Serum for two weeks on her dandruff-prone scalp.

To combat some of the unsighly side effects of an unhappy scalp, Olaplex has introduced the No.0.5 Scalp Longevity Serum, ...

The Olaplex No.0.5 Scalp Longevity Serum is here, and it's meant to make your hair healthier than ever. Here's what happened ...

(Olaplex is also a favorite of Strategist beauty columnist Rio Viera-Newton, who relies on the No. 3 treatment to keep her double-processed hair healthy and happy.) It’s not cheap — it sits in ...

Visibly improve your dry, damaged hair with this Olaplex bundle that has impressed hairdressers and regular shoppers alike.

Get your hair back into healthy condition with the cult hero Olaplex treatment that "reverses damage in as little as three ...

Olaplex faces challenges with rising competition, declining sales, and margins. Learn how strategic shifts and patent ...

The bond-building hair care brand said its recent rebrand and shift towards scalp care are reasons for confidence ...

In this week's edition of her Prime Finds series, Shopping Writer Meghan has found her top five haircare masks and treatments ...