- 머리털: can mean the hair as a whole or individual strands. - 머리카락 (or 머리칼): strands of hair. - 머리: hair as a whole. Also means head. Nowadays 머리 (hair) and 머리카락(hair strand) are the primary words. 머리털 is an old word being phased out. Examples: - 너 머리 색이 좋다: Your hair color is good. - 오늘 머리를 잘라야 겠다: I'll need to get my hair cut today. - 머리카락 떨어지지 않도록 해: Make sure no hair is falling. - 책상 위에 머리카락 천지다: The tabletop is full of hairs. - 그는 머리가 좋다: He is smart. (머리 hear means "head/brain") - 머리 다치지 않도록 조심해: Be careful not to get your head hurt.