Olsen was on The Chocolate Expo’s panel with her “Brady Bunch” co-stars, Christopher Knight, Mike Lookinland and Barry Williams, when she revealed that she had to dye her hair blonde every ...

I use product for each one. Ashley's hair is much curlier and much darker, but Mary-Kate's is a little bit more coarse." In 2013, Townsend spoke with PEOPLE about collaborating with the pair.

Mark-Kate and Ashley Olsen are, fashionably speaking, known for two things: good style and good hair. For decades, The Row designers, both 38, have made a mark on the beauty industry for their ...