Gel Pens for Coloring Vibrant Colors: What Actually Makes Them Pop
You've probably noticed that some gel pens look gorgeous in the package but flatten out the moment they hit the paper. The pigment concentration, ink base, and tip type all play a role in whether a color sings or just sits there. This guide breaks down exactly what makes gel pens for coloring vibrant colors — and how to pick sets that won't leave you frustrated by page 20.
haunh13 min read