Pilot |IROSHIZUKU | Bottled ink for fountain pen | Cosmos

Pilot |IROSHIZUKU | Bottled ink for fountain pen | Cosmos

Pilot Iroshizuku Bottled Ink – Cosmos is a beautifully crafted ink that blends vibrant color with subtle emotion, drawing inspiration from Japan’s iconic autumn wildflowers. Part of the prestigious Iroshizuku (?????) collection — which translates to “Color Droplet” — this ink represents the harmony of nature, culture, and craftsmanship that defines Japanese design sensibilities.

Cosmos, or “Kosumosu” (????) in Japanese, is inspired by the delicate pink petals of the cosmos flower, which bloom across the Japanese countryside during the late summer and early autumn. These flowers are associated with gentle elegance, feminine grace, and wistful nostalgia — themes reflected in the soft yet expressive pink hue of this ink.

The color is a light, floral pink with soft coral and salmon undertones, offering a gentle vibrance that’s both warm and graceful. It’s a versatile pink that feels lively without being overly bright — perfect for journaling, personal notes, poetry, or creative expression. Cosmos adds a touch of emotional delicacy to your handwriting, making every word feel more intentional and heartfelt.

The ink is presented in a luxurious 50ml hand-blown glass bottle, designed not only for visual beauty but for practical use. Its wide base and inner concave dip make it easy to fill pens, even when the ink level is low — a thoughtful design detail that reflects Pilot’s commitment to both form and function.

In terms of performance, Pilot Iroshizuku Cosmos offers the silky-smooth flow and consistent quality that fountain pen users expect from the Iroshizuku line. It works well with a wide variety of fountain pens and nib sizes, and performs reliably on quality paper with minimal feathering, low bleed-through, and a moderate drying time. It also provides subtle shading, which adds character and depth to your writing.

Whether you're looking to express emotion, add personality to your journal, or simply enjoy a fresh, uplifting ink color, Cosmos brings a refined floral charm to the page — gentle, joyful, and unmistakably elegant.

Key Features:

• Color Name: Cosmos

• Japanese Name: Kosumosu (????)

• Inspiration: Cosmos flower — a symbol of grace and tranquility in Japanese autumn

• Color Family: Light pink / floral pink

• Undertones: Coral / salmon

• Shading: Light to moderate (varies by nib and paper)

• Sheen: None

• Saturation: Light to medium

• Ink Type: Water-based, dye ink (non-waterproof)

• Dry Time: Moderate

• Flow: Smooth, clean, and consistent

Bottle Details:

• Volume: 50 ml

• Material: Thick, hand-blown glass

• Design: Concave bottom for easy ink filling

• Packaging: Elegant minimalist box — great for personal use or as a gift

Recommended Uses:

• Personal journaling

• Poetry and creative writing

• Letters and notes

• Artistic projects and illustrations

• Decorative calligraphy