Ultra-thin foundation brushes have a slim, flat head that spreads liquid and cream products in thin, even layers. Compared with dense flat-top brushes, they deposit less product per stroke; compared with classic paddle brushes, they're thinner and more precise. They suit people who want light, controlled coverage.
How they compare
| Brush | Head | Result |
|---|---|---|
| Ultra-thin flat | Slim, flat round | Thin, controlled layers |
| Flat-top | Dense, flat | Buffed, fuller coverage |
| Classic paddle | Flat, wider | Painted-on layers |
The brush
The Uexim flat round ultra-thin brush has an ultra-thin, flat round head with synthetic bristles and a wood handle. It's described as a precision brush for liquid or cream foundation and concealer, and comes in 4 sizes, XS to L, about 15.6 to 17.4cm long.
An ultra-thin flat brush in 4 sizes for liquid and cream foundation and concealer.
How to use it
- Dot foundation on the face.
- Sweep outward with the flat side in short strokes.
- Use the edge around the nose and eyes.
- Pat lightly to soften any lines.
Which size?
- XS or S for concealer and small areas
- M or L for foundation across the face
For a denser option, see how to apply foundation with a flat-top brush.
Frequently asked questions
What sizes are available?
XS, S, M, and L.
What is the handle made of?
Wood.
Where can I find more brushes?
Browse the Makeup Brushes & Sponges collection.
The bottom line
Ultra-thin brushes give light, controlled layers. Pick a small size for concealer and a larger one for foundation.
Thin, even layers
An ultra-thin flat brush in 4 sizes.
Shop the ultra-thin brush →Browse more tools in Beauty Tools & Essentials.
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