12 Hairstylists Reveal Their Favorite Products For Treating Thinning Hair

"Commonly used to mask grays, Color Wow Root Cover Up ($35) is a great quick fix for a big night out, whether you're walking a red carpet or attending a wedding. You can use the smaller end of the application brush around your temples or around your part line where hair seems less dense. This will instantly fill in your hair, leaving you looking camera ready from every angle." — Velasquez