Jacob Schwartz is Hollywood's hottest colorist. ... Olaplex No. 4C Bond Maintenance Clarifying Shampoo "I use it to get rid ...

Schwartz recommends only washing your hair one to two times per week if your scalp and hair can maintain that schedule. "For blonds, I generally recommend a purple shampoo to ensure the warmer ...

After the show, Cosmo caught up with Schwartz to chat about the inspo for the look, how to ask your stylist for the same color, and how to keep Brat black looking fresh and shiny. What is the Brat ...