Brow Up Thickening Brow Balm. This product is:. a no-fuss 3-in-1 brow balm that tints, provides flexible hold, and delivers naturally thicker brows instantly- and over time with a proprietary, clinically-proven blend of plant based proteins and amino acids.. Good for:. All brows, including thinning brows to add volume, tint and hold. . Why we love it:. Iris&Romeo Brow Up Thickening Brow Balm is a no-fuss, thickening brow balm that delivers natural looking volume, tint of color and flexible hold with the benefits of hair care actives to support the look of fuller, healthier brows instantly and over time. A proprietary blend of clinically-proven*, plant-based proteins and amino acids helps brows reach full growth potential, B vitamins help condition and strengthen the brows, and botanical waxes and mineral pigments tint, lift, and volumize. Each stroke of the mini precision brush delivers a natural-looking, brushed-up brow—one that makes you feel instantly polished.Key Ingredients:. Green Chemistry Blend. (in clinical levels) | A breakthrough plant-based protein and amino acid blend borrowed from hair care that helps restore follicle health. Panthenol. (Pro-vitamin B5) & Biotin (Vitamin B7) | Helps condition and strengthen brow hair.. Iris&Romeo Brow Up Thickening Brow Balm is available in 3 shades:. . Cool Blonde: Suitable for light to medium blonde browsSoft Brown: dark blonde to medium brown brows. Medium Brown: Suitable for medium to dark brown browsBrown/Black: Suitable for dark brown to warm black brows. Packaging: . The bottle is made from 30% recycled plastic waste. Its carton is made from 100% post-consumer recycled paper. . .