Yes, people of all races and ethnicities can have low porosity hair. Hair porosity is determined by the structure of the hair cuticles, which can be influenced by genetics, hair care practices, and environmental factors.
While certain hair types, such as tightly coiled hair commonly found in Black and African American hair, may be more prone to low porosity, individuals of any race or ethnicity can have low porosity hair. In fact, it's estimated that up to 20% of the population has low porosity hair.
It's important to note that low porosity hair requires a specific hair care routine to keep it healthy and moisturized, regardless of race or ethnicity. By understanding the unique characteristics of low porosity hair and taking steps to care for it properly, individuals of all backgrounds can maintain healthy, beautiful hair.