PARIS — L’Oréal keeps growing its share of the digital beauty space, with its acquisition of Pulp Riot, the professional hair color brand with bright, bold hues that was born online. Financial terms ...

It was 2018, and L’Oréal, the global beauty behemoth, had just acquired Pulp Riot, the vivid hair color brand David Thurston launched with his wife Alexis just 23 months earlier with nothing more than ...