L’Oréal’s third-quarter sales, announced Tuesday, had an unwelcome surprise: its dermatological beauty division, which operates buzzy and viral skincare brands like Cerave and Skinceuticals, hugely missed analyst expectations; it grew 0.8 percent to $1.77 billion against estimates of 11 percent.
The division had been a blockbuster since it was formed in 2022, growing more than 20 percent each quarter and becoming a key area for the French conglomerate. But in the second quarter, it…

