The thickness of the eyebrows, this brow gel from Nix - Black TGB05 BLACK

Instant eyebrow styling gel: gives you non-sticky colored eyebrow gel hold for 16 hours immediately, allowing you to style and set eyebrow hair in place for an unlimited look. Set it on your eyebrows: our first instant eyebrow gel styler works like mascara for eyebrows. Immediately tames and shapes eyebrows when applied. Dries to a natural non-sticky finish. Transfer-resistant and flake-resistant formula. Color shade: black