The Brow Pencil + Gel in Mocha color by Trestique is a versatile product that Lily highly recommends. The angled brow pencil allows for precise lining, while the brow gel helps to create fuller and thicker brows. Lily mentions that she personally prefers a lighter color, but still appreciates the fullness and thickness achieved with this darker shade. She also mentions using a clear brow gel to further enhance the bushy brow look. Overall, Lily loves this pencil and would repurchase it, highlighting its ability to create defined and fuller brows. However, it's worth noting that the darker shade may not be suitable for everyone's preferences.