Read the following article and answer the question.

And yeah , it still sucked . My $ 15 , 5-year old Revlon dry - only straightener does a much better job of smoothing the wrinkles in my hair out . And those sections I did manage to straighten the night before ? Curled up again overnight so all that effort was for naught .

What may be a fact about their hair situation ?
Their hair was unable to stay straight .