I have fine, straight hair, so drying it take h no more than five minutes a day.
The Sun (2016)
This explains bad hair days in humid weather, when curly hair turns more frizzy, while straight hair becomes more limp.
Times, Sunday Times (2008)
Most good riding camels have very thick coats of comparatively straight hair, faintly lustrous.
Eric Newby A BOOK OF LANDS AND PEOPLES (2003)
We have been attempting to add curl to straight hair for thousands of years.
The Sun (2006)