New L'Oreal Paris Brow Artist Plump & Set Serum for stronger and thicker looking brows. Reach your brow goals, whether you're recovering from over-plucked brows or simply trying to achieve the boy brow look, this gel serum will help you accomplish your brow dreams. Enriched with a Keratin complex of nourishing ingredients including Castor Oil and Vitamin B5, as well as Filoxane and Hyaluronic Acid to help strengthen and reinforce brows overtime.