Mary Kay Signature Brow Defining Pencil Liner in Classic Blonde. An easy to use, reliable neutral, warm shade that looks great and is easy to use! A Customer's favorite! Recommends the wooden pencil over the mechanical liner, because the formula in the wooden pencil seems to be silkier and easier to work with. The wooden pencil seems to hold it's moisture longer too, therefore lasting for a long time. Hard to find... Retails for $8.50. Waterproof. Smudge-resistant. Fade-resistant. Dermatologist-tested. Clinically tested for skin irritancy and allergy.