This hairstyle is perfect for all hair types: if you have wavy or straight hair, you'll need a 0.5-inch curling iron; if you have curly and coily hair, you should be able to get the look by playing up your natural texture.

Source: https://www.popsugar.com/beauty/hairstyle-trends-49046519

Type 4 is a category of kinky, coily hair that many Black people have.

Source: https://abovethelaw.com/2023/08/black-hair-big-law-part-ii-the-harshest-critics-of-black-attorneys-hair/