Exclusive: How to Get Hair Like the Olsen Twins--Tips Straight from Mary-Kate and Ashley

You already know the secret to Mary-Kate and Ashley’s lived-in makeup is matte lip and eye pencils applied next to dewy skin, and the inspiration behind their new 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, messy 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 very unique waving iron.

Click through our slideshow for Mary-Kate and Ashley’s hair secrets, along with tips from their longtime hairstylist!