Stain Removal The Swiss Laundry · Expert Guide

How to remove ink stains from clothes — ballpoint, fountain pen, and marker.

The Swiss LaundryKasba, Kolkata 4 Mar 2026 5 min read

Ink is not one stain — it is several completely different chemical systems. The treatment that works on fountain pen ink makes ballpoint pen stains worse. This guide covers the correct approach for each ink type and when professional treatment is needed.

At a glance

What this guide covers.

Ballpoint pen ink is oil-based — it responds to alcohol or oil-based solvents, not water
Fountain pen ink is water-based dye — it responds to water when fresh but sets quickly
Marker (permanent marker, whiteboard marker) uses different chemistry — requires targeted solvent
Rubbing alcohol (isopropyl alcohol) works on ballpoint pen on cotton when applied quickly
Ink stains on silk and delicate fabrics should go directly to a professional — alcohol damages silk

Jump to section

Home method by ink type
Where home treatment fails
Professional treatment
Questions answered

Home method

Home method — by ink type, on cotton and synthetics only.

Ink treatment depends entirely on the ink type. Using the wrong approach for the wrong ink type — water on ballpoint, alcohol on fountain pen — can spread the stain or set it. Identify the ink type first.

Ballpoint pen

Rubbing alcohol on cotton

Apply rubbing alcohol (isopropyl alcohol, 70%+) to a clean cloth and blot the stain — do not rub. The alcohol dissolves the oil-based ink. Work from the outside of the stain inward. Follow with cold water rinse and mild dish soap. Works on cotton and synthetic. Do not use on silk — alcohol damages silk.

Fountain pen

Cold water immediately

Fountain pen ink is water-based dye. Apply cold water immediately when fresh — place the stained area under running cold water from the back of the fabric to push the ink out. Mild detergent and cold rinse. Works well when fresh, increasingly difficult after 30+ minutes.

Permanent marker

Rubbing alcohol or hand sanitiser

Permanent marker uses solvent-based ink. Rubbing alcohol or high-alcohol hand sanitiser applied to a cloth and blotted onto the stain can dissolve the ink on cotton. Results vary by marker brand. Not effective on all permanent marker types.

Whiteboard marker

Cold water — it is designed to be removable

Whiteboard marker ink is specifically formulated to be water-removable. Cold water and mild detergent typically removes it completely from most fabrics when fresh.

The ink chemistry reference

Ballpoint: oil-based suspension of pigment or dye in oil — responds to oil-dissolving solvents (alcohol, dry cleaning solvent). Fountain pen: water-based dye solution — responds to water when fresh. Gel pen: water-based with polymer thickener — responds similarly to fountain pen. Permanent marker: solvent-based (various formulations) — requires solvent treatment. Printer ink: pigment-based, often with binders — complex, professional treatment recommended.

Where home treatment fails

Where home treatment fails.

Home treatment fails for ink in four specific situations.

Wrong solvent for wrong ink

Applying water to a ballpoint pen stain spreads the oil-based ink and embeds it deeper in the fabric. Applying alcohol to a fresh fountain pen stain may partially work but can also cause dye to spread. Identifying the ink type first is not optional — it determines the outcome.

Alcohol on silk, wool, or embroidered fabric

Rubbing alcohol damages silk by removing the sericin coating that gives silk its softness and lustre. It can also cause colour bleeding in some silk dyes. Ink on silk should not receive any home alcohol treatment.

Rubbing rather than blotting

Rubbing spreads ink laterally and drives it into the fibre structure. All ink treatment should be blotting — transferring ink from the fabric to the treatment cloth by gentle pressure.

Old, dried, or set ink

Ink that has dried completely and been through a washing cycle is very difficult to remove at home. The solvent in ballpoint ink has evaporated, leaving behind a dry pigment deposit. The dye in fountain pen ink has bonded with the fibre. Both require professional pre-spotting chemistry.

Ink on school uniforms — the practical note

School uniform ink stains are almost always ballpoint pen on white or light cotton. The rubbing alcohol method works very well on fresh stains on white cotton if applied the same day. Stains left for a week and then washed in hot water are significantly harder. Home treatment works — but the timing matters. Old stains from a term's worth of neglected shirts require professional treatment.

Professional treatment

What professional treatment does differently.

Professional ink treatment uses targeted solvents calibrated to the specific ink chemistry and the specific fabric — and applied with the controlled technique of a professional spotting table.

Ink identification and targeted solvent selection

We identify the ink type — ballpoint, fountain pen, gel, permanent marker, printer ink — and select the appropriate spotting agent. This targeted approach achieves significantly better results than a general-purpose solvent approach.

Controlled spotting table application

Professional spotting tables have compressed air, vacuum, and controlled lighting. Ink spotting requires applying solvent precisely to the stained area, using the vacuum to draw the dissolved ink away from the fabric (rather than through the fabric), and using the compressed air to control the spread of the solvent.

Solvent cycle for complete removal

After pre-spotting, the dry cleaning solvent cycle removes residual dissolved ink and any spotting agent residue. For oil-based inks (ballpoint), the solvent cycle alone achieves excellent results. For water-based inks (fountain pen), wet cleaning may be combined with dry cleaning for comprehensive treatment.

Professional ink removal prognosis

Fresh ballpoint pen on cotton or polyester: excellent removal with professional treatment. Fresh fountain pen on cotton: excellent with professional wet cleaning. Any ink on silk: good improvement with professional treatment, slightly lower prognosis than on cotton. Old, dried ink after home washing: moderate improvement, complete removal less certain. Printer ink: variable, depends on ink formulation.

Questions answered

Ink stain questions
answered directly.

How do I get ballpoint pen off a white school shirt?

Apply rubbing alcohol (70%+ isopropyl alcohol) to a clean cloth and blot the stain from the outside in. Do not rub. Follow with cold water and mild dish soap. Air dry. Most fresh ballpoint pen on white cotton comes out completely with this method. Old stains need professional treatment.

Can I use hairspray to remove ink stains?

Older hairsprays contained high alcohol content and worked on ballpoint pen stains for the same reason as rubbing alcohol. Modern water-based hairsprays do not. Rubbing alcohol (isopropyl) is more reliable and predictable than hairspray.

My silk saree has fountain pen ink on it. What should I do?

Do not apply water or alcohol. Keep the stain dry and bring it to a professional dry cleaner as soon as possible. Fresh fountain pen ink on silk is treatable professionally with good results. Old dried ink is harder but still improves with professional treatment.

Can printer ink be removed from fabric?

Printer ink (inkjet) is typically water-based with polymer binders. Home treatment with cold water works on very fresh stains on cotton. Dried printer ink is difficult to remove at home and requires professional treatment. Laser toner (a different chemical system — heat-bonded pigment) is very difficult to remove once set.

How much does professional ink stain treatment cost?

Standard ink stain treatment is included in our cleaning price for most garments. Contact us on 9836233354 with details of the garment and ink type for a specific assessment.

TSL

The Swiss Laundry — Stain Removal Specialists 13 years of professional stain treatment from Kasba, Kolkata. P-4 Kasba Industrial Estate, Phase III, E.M. Bypass (East), Kolkata 700107.

Published: 4 Mar 2026
Updated: 4 Mar 2026

Remove the risk.
Completely.

Ink on silk or any delicate fabric — professional treatment with the correct solvent for the specific ink type. Bring it in the same day for the best outcome.

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