anyone know what's the transparent stuff on top of the ink? : r/pens

Invisible-Ink Secret-Message Pen (Stationery)

Sold as 8/Pack. Proven #1 Longest Writing Gel Ink Pen vs. the average of top gel ink brands. Super-smooth writing gel ink. Comfortable latex-free rubber grip. Retractable and refillable. G2 is proven to be the #1 longest writing gel ink pen vs. the average of top gel ink brands. Provides smooth, skip-free writing. Contoured rubber grip offers writing comfort and control. Great for everyone, especially people who write for a living. Retractable and refillable.

G2 Roller Ball Retractable Gel Pen, Black Ink, Fine - 2 count

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What pens work on transparent sticky notes? 🤔

Why does the ink I have look so transparent? : r/fountainpens

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