Full Fluffy Brows, Clinically Proven Results
Create a bold, full, yet effortless-looking brow that looks like you’ve added real hair. Easy to use, with controlled, high-payoff pigment, soft & flexible hold, and a finish with a slight sheen for dimension.
In a clinical study, Air Brow Tinted Gel:
✔️ Visibly increased brow volume +94%*
*based on a clinical evaluation of 33 people


Juuust Enough Volume, Tint + Hold
Clean, vegan ingredients for volume. Biodegradable plant-based microfibers create a fuller look, and replace nylon and other synthetic plastics frequently used in brow products. Provides strong hold and thickness, without stiffening or flaking. The small triangular spoolie boosts and lifts each hair.
Supports Fuller, Healthier Brows
The trio of natural hair care actives—including 5% castor oil—help nourish and protect, so all brows reach their growth potential.

Kosas Clean
Cruelty-free. Vegan.
Formulated without: fragrance, silicone, mineral oil, synthetic waxes, and microplastics. Check out our Kosas Clean page for the full list.


Clinically Proven Results
Clinically proven:
+94% visible increase in brow volume immediately after application (from fine to extremely thick)
Long wearing for 8 hours
After 4 weeks:
100% agreed
Brows had the ideal amount of tint
Product was buildable, dried quickly and does not flake
97% agreed
I saw instantly fuller brows in 1 use
Brows looked volumized, lifted and more defined
Brows felt soft and flexible
*based on a consumer study of 33 females, 32-65 y.o.