Kuro Sumi Japanese Black Outlining Tattoo Ink – 180ml & 360ml

Kuro Sumi’s darkest black

A rich black tone developed to create strong, visible outlines and defined linework.

Super-thin viscosity

The fluid consistency is designed to move quickly and smoothly through the needle during outlining.

Created for professional linework

Suitable for outlines, lettering, detailed linework and other tattoo techniques requiring a controlled black line.

Designed for clear outlines

The formula is intended to produce dark, clean outlines with strong visual definition.

Reduced blue undertone

Kuro Sumi Japanese Black is designed to retain a neutral black appearance and resist developing an unwanted blue cast over time.

Vegan-friendly and cruelty-free

Made without animal-derived ingredients and produced without animal testing.

Two professional sizes

Choose between the 180ml bottle for regular studio use and the larger 360ml bottle for higher-volume artists.

Outlining

Developed specifically for producing defined black outlines across a wide range of professional tattoo styles.

Detailed linework

The thin consistency supports controlled movement when working on smaller details and structured linework.

Lettering

Suitable for lettering and script tattoos requiring clean edges and strong black definition.

Traditional tattooing

A practical choice for traditional and Japanese-inspired tattoos that rely on visible, structured black outlines.

Illustrative work

Can be used for illustrative, ornamental and graphic tattoo styles requiring consistent dark lines.

Everyday studio use

Kuro Sumi recommends the ink for everyday tattooing, making it a versatile black for a professional workstation.

180ml / 6oz

A practical professional size for artists who use black outlining ink regularly while maintaining a compact workstation.

360ml / 12oz

The larger studio format for busy artists who complete frequent linework, lettering and outline-heavy tattoo projects.

Select your required bottle size before adding the product to your basket.

Before use

Make sure the cap is securely closed and shake the bottle thoroughly before dispensing the ink.

During use

Dispense the required amount into a clean, single-use ink cup according to your professional hygiene procedure.

After use

Close the bottle securely and keep the dispensing tip clean to help prevent contamination.

Storage and expiry

Follow the storage instructions, expiry date and period-after-opening information printed on the bottle supplied.

Safety documentation

Kuro Sumi provides product documentation, including safety and sterilisation information, through its official compliance portal.

Brand

Kuro Sumi

Product

Japanese Black Outlining Ink

Product Type

Black outlining tattoo ink

Colour

Deep black

Available Sizes

180ml / 6oz and 360ml / 12oz

Viscosity

Super-thin and fluid

Best Used For

Outlining, detailed linework, lettering, traditional tattoos and everyday tattooing

Formula

Vegan-friendly and cruelty-free

Formula Origin

Originally formulated in Japan

Intended Use

Professional tattoo studio use

Product version

This listing is for the original Kuro Sumi Japanese Black Outlining Ink. It is separate from the Kuro Sumi Imperial EU REACH range.

Professional use

Use according to the instructions, warnings and hygiene information printed on the corresponding bottle.

Inspect before use

Do not use the ink if the bottle, closure or original packaging appears damaged.

1 x Kuro Sumi Japanese Black Outlining Ink bottle in your selected size: 180ml or 360ml.

What is Kuro Sumi Japanese Black best used for?

It is primarily developed for black outlining, detailed linework, lettering and everyday professional tattooing.

What consistency does the ink have?

Kuro Sumi describes it as having a super-thin viscosity that flows quickly and smoothly through the needle.

Which bottle sizes are available?

You can choose between 180ml / 6oz and 360ml / 12oz using the size selector.

Which size should I choose?

The 180ml bottle suits regular studio use, while the larger 360ml bottle is ideal for artists who use black outlining ink frequently.

Is Kuro Sumi Japanese Black vegan?

Yes. Kuro Sumi confirms that its tattoo inks are vegan-friendly and cruelty-free.

Is this ink only suitable for Japanese tattoos?

No. Although the formula was originally developed in Japan, it can be used for outlining across many tattoo styles.

Browse our complete Tattoo Ink and Essentials collection for professional black inks, grey washes, colour inks and mixing solutions.