GRO Big with GRO Brow Serum. Achieve bold and beautiful brows with the game-changing solution that can increase the appearance of density and volume by up to 94%. Unlike other growth serums, GRO Brow Serum is prostaglandin-free, ensuring no irritation or darkening of the eyes. Say goodbye to thin brows and hello to show-stopping arches. #Vegamour #Browserum #BoldBrows * Results from clinical study involving 30 subjects over 60 days.