PilotΒ Iroshizuku inksΒ are famous for their quality andΒ spectrum ofΒ colours that are inspired byΒ Japanese natural landscapes and plants, all of which contribute to the depth of each individual hue.Β Iroshizuku comes from the combination of Japanese words ‘iro’ which means colouring, and ‘shizuku’,Β which embodies the image of dripping water.
Kosumosu pinkΒ is reminiscent of the friendly and endearing Cosmos Flower, whichΒ originates from its autumn blossoms and the resemblance of the petals to that of cherry blossoms.Β
IroshizukuΒ is a dye based ink that comes in an elegant 50mL glass bottle with a wide opening for larger pens and an angled base, making it easier to reach the last few drops.Β
Bookbinders Design is an authorised Pilot stockist.Β














Emily Carter –
The Iroshizuku Cosmos ink is absolutely stunning! The color is rich and vibrant, perfect for adding a touch of elegance to my writing. It flows smoothly and dries relatively quickly. Highly recommend!
James Peterson –
I’ve tried many fountain pen inks, but Pilot’s Iroshizuku line is exceptional. Cosmos has a unique shade that stands out without being too flashy. The bottle design is also very classy.
Sophia Lee –
This ink is a dream to write with. The color is a beautiful deep purple with subtle undertones. It works well on all types of paper and doesn’t feather. Worth every penny!
Michael Brown –
The Iroshizuku Cosmos ink is good, but I expected a bit more sheen. The color is nice, but it’s not as unique as some other inks in the line. Still, it’s a reliable choice.
Olivia Martinez –
I love this ink! The color is perfect for journaling and the flow is consistent. The bottle is also very stylish and functional. Definitely a must-have for fountain pen enthusiasts.
Daniel Wilson –
The Cosmos ink is beautiful, but it’s a bit pricey for the amount you get. That said, the quality is top-notch, and the color is truly unique. I’d buy it again if it goes on sale.
Ava Thompson –
This ink is everything I hoped for and more. The color is rich, the flow is smooth, and it works perfectly in all my pens. The packaging is also very elegant. Highly satisfied!
William Harris –
I’m a bit disappointed with the Cosmos ink. The color is nice, but it doesn’t stand out as much as I expected. It’s a decent ink, but not my favorite from the Iroshizuku line.