Bulb/Head- refers to the beginning or front of the eyebrow
Mid Brow- is the area of brow connecting the bulb and the arch
Arch- the arch is the highest point of the brow sitting roughly 2/3 of the way across the eye
Tail- the tail is the tapered portion of brow spanning from the arch to the end Outer Tail- an area of brow that may clients are missing naturally it starts from the top of the arch and sits on the outer of the tail
Spine- the spine of the brow is found in the middle of the brow near where the arch begins and typically indicates the change of direction of hair growth