Diamine Forever Ink 50ml — Permanent Pigment Ink

Why this ink is different from every other Diamine product
Diamine has made fountain pen ink since 1864. The standard range — dye-based, water-soluble, in hundreds of colours — is what most people mean when they say Diamine ink. The Forever range is something categorically different. Pigment inks have existed for decades but have always carried a compromise: the particles that make them permanent and waterproof also clog pen feeds, smear when wet media is applied over them, and make the pen difficult to clean if left unused. Diamine's nano-pigment formula dissolves these problems. The particles are invisible to the naked eye. They flow through standard fountain pen feeds, dry completely on paper, and once dry resist water, fading, and layering of other media. A line inked with Forever and left to dry for a few minutes becomes the stable foundation for a watercolour wash — which is the specific capability that changes how illustrators can use a fountain pen.

For illustrators — what this enables
The traditional illustration workflow separates tools by phase: pencil for underdrawing, dip pen with waterproof ink for inking, watercolour or gouache for colour. The fountain pen has historically not featured in this workflow because no fountain pen ink was reliably waterproof and pen-safe simultaneously. Forever Ink changes that. An illustrator who works with a fountain pen for its line quality — the pressure variation, the flow, the feel — can now use that pen for production linework that will survive a watercolour wash. The resist technique is also available: lay down Forever Ink lines, wash over with dye-based Diamine in any colour, and the Forever lines hold while the dye creates the chromatic effects that make specialist inks interesting. This is the technique that makes pen-and-ink illustration genuinely expressive rather than purely technical.