The two styles are used so interchangeably that we'll go with either one in this case. If you put down Senegalese twists, you're close. The difference between Senagalese twists and Marley/Havana twists is the hair used and the final appearance. The former is typically made with Kanekalon hair and has a smoother, sleeker appearance. The latter is done with Havana or Marley hair and usually has a matte, textured finish.