L'Oreal Paris Faux Brow Brow Filling Pen

Target

Product category (eyebrow pen) matches exactly, Multi-pronged tip design matches exactly, Color 'Dark Brunette' is equivalent to 'Dark Brown' and matches the application in the video, Sleek pen form factor matches, Price ($9.99) matches the 'Under $10' claim in the video, Functionality (drawing hair-like strokes) matches

Arches & Halos Microblading Pen

CVS Pharmacy

Product category (eyebrow pen) matches, Multi-pronged tip design matches, Dark brown color application matches, Sleek pen form factor matches

Benefit Cosmetics Mighty Fine Brow Pen

Sephora

Product category (eyebrow pen) matches, Multi-pronged tip design matches, Brown color application matches