Coily hair, for example, may be categorized as type 4b or 4c. Additionally, your hair may be naturally thick or thin, oily or dry. And while anybody can experience scalp conditions like psoriasis ...

Type 4 is also known as coily hair. 4A curls take up a zig-zag pattern, 4B resemble the letter Z, with sharp corners instead of curls while 4C curls are super tight zig-zag patterns and the ...