What term describes hair that is resistant to styling and grooming?

The term that describes hair resistant to styling and grooming is coarse hair. Coarse hair is characterized by its thicker diameter and texture, which makes it more challenging to manipulate compared to fine or medium hair. Due to its density and structure, coarse hair often requires more effort and specific techniques to achieve desired styles. This type of hair can also be less responsive to certain styling products, as its robust nature can affect how well those products adhere or work with the hair. When working with coarse hair, professionals often need to consider the use of appropriate tools and techniques tailored to handle its unique properties effectively.