What characteristic do kanekalon fibers have?

Kanekalon fibers are synthetic fibers that are known for being high-heat resistant. This means that they can withstand high temperatures from heat styling tools without getting damaged. Option A is incorrect because Kanekalon fibers are not low-heat resistant. Option C is also incorrect because the fibers are, in fact, resistant to heat. Option D is incorrect because Kanekalon fibers can be used for both straight and curly styles.