Your Most Stylish Year Ever

New York-based stylist Michael Murphy recommends the Kerastase Soleil Collection to his clients, including Katie Holmes. "It's super luxurious and works overtime against the damaging effects of the sun," says Murphy. The line includes treatment products to help sun-exposed hair come back to life.

BUY ONLINE NOW Kerastase Soleil products, $32-58; at kerastase-usa.com.