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The nylon bristles are stiff enough to actually wipe a clean line but still flex without scratching, and they dry fast so I'm not waiting around between coats. My edges look sharper than they ever did with a cotton swab.

I was worried the angled tip would be too stiff for tidying up edges, but the nylon bristles flex just enough to follow the curve without scratching. It's become the brush I grab first whenever I'm cleaning up a messy line.

The angled tip actually gets right into the cuticle line without flooding my nail. Bristles are flexible enough that they don't splay out, and they dry fast between uses. Edges look way cleaner than with a cotton swab.