How flat is this brush? I'm looking for a brush to do a fairly fine line.

The brush is flat and a little too wide for what I wanted, but it's still a great brush. I do use it for filling in and brushing the brow. Sigma makes a small, flat, angled brush for lining your lids but I use for my eyebrows. I have very sparse brows and need a small brush to set a line.

No it is not. It is an amazing brush. I use eyeshadow a lot for eye liner and I use this brush exclusively for that. Sigma brushes are amazing . Hope that helps.

Is the e15 good for doing eyebrows?

I never used it for that purpose, wouldn't an angle brush be better for that purpose? I use it to smudge colour on my bottom lid

Is this brush good for the waterline?

Don't use it for my waterline. I use this brush with concealer to clean up my eyebrows after drawing it in. I'm sure you could use it for bottom waterline

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🖤 Define your eyes, define your vibe.

DURABLE DESIGN - Patented 3-ring SigmaAlloy™ ferrule ensures strength and longevity
ECO CHIC HANDLE - Lightweight, sustainably sourced wood with 8 coats of scratch-resistant paint
PRECISION PERFECTED - Flat, sharp edge for ultra-thin, clean liner application
LONG LASTING BRISTLES - SigmaTech™ fibers resist absorption and maintain shape wash after wash
VERSATILE COMPATIBILITY - Seamlessly works with gel, liquid, and powder formulas

The Sigma Flat Definer - E15 is a professional-grade eye makeup brush featuring a uniquely flat and sharp thin edge designed for precise application along upper and lower lash lines. Engineered with SigmaTech™ synthetic fibers, it delivers gel, liquid, or powder products flawlessly without absorption, ensuring durability and hygiene. Its patented SigmaAlloy™ ferrule and sustainably crafted wooden handle provide strength and eco-conscious style, making it a must-have tool for millennial professionals seeking sharp, clean eye looks with lasting quality.

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