Exclusive: Ashley and Mary-Kate Tell Us Exactly How to Copy Their Hair

You already know the secret to Ashley and Mary-Kate’s lived-in makeup is matte lip and eye pencils applied next to dewy skin, and the inspiration behind their Elizabeth and James fragrances is a play on gender, so now it’s time to talk about their hair routine. How, exactly, do the twins get their beach-meets-city waves? We had to ask.

Forget any notion you have of the Olsens using curling irons or fancy texture spray. We sat down with Mary-Kate and Ashley and their mane man, Mark Townsend, and found out it’s actually a cocktail of a drugstore dry shampoo and a unique waving iron.