Well You no or you dont know Ive been a salon owner for 25yrs and yes i would say yes . but on the box it says Modacrylic what i would say is to go to www.SallyBeauty.com to be sure . One thing i can say is it easy to put on and it goes right in with your hair its nice I put it in my girls hair and you couldnt tell at all if i new how to get a pic to you I would.