Black Solution Liquid Razor
To reinforce the hairline using a liquid solution that raises the tiny hairs (normally not visible) to help create a sharp, crisp and precise edge, without the use of a straight razor.
Shake very well before each use. Spray the desired area and let dry. This light coat will pronounce the tiny hair from skin. Take clippers or trimmer and gently go across / around the hairline creating a sharp crisp line. Liquid Razor does not leave any detectable residue.