The phrase "clear brow" refers to having neatly groomed and well-defined eyebrows without any hair or other obstructions blocking the view. Full definition
Once I have filled them in, I set them with clear brow gel so they stay in place all day. (joyfullystyled.com)
(EYES) Urban Decay Primer Potion, Sleek MakeUP Oh So Special Palette (Gift Basket on lid, Celebrate blended into the crease and up, The Mail to blend out Celebrate, Bow at the inner corner & to highlight, Gift Basket smudged under lower lash line), Sleek MakeUP Noir Eau La La Liner, Tarte Lights, Camera, Lashes 4 - in - 1 Mascara, Clinique Bottom Lash Mascara, IT Cosmetics YBBB Brow Power, Anastasia Clear Brow Gel. (blushingnoir.com)
«Finish with clear brow gel combing hairs up because you want to show that hair texture. (elle.com)