Auto Leather Ink and Dye Stain Remover Kit Ap7.di

Auto Leather Ink and Dye Stain Remover Kit AP7.di by Leather Doctor® is a Leather-Safe™ surface ink and dye stain remover system, that pH-balance, cleans, rinses, hydrates, softens, topcoats, and conditions Luxury Auto Leather Interiors:

The Professional Solution that does not lift the leather finishes like a solvent ink and dye stain remover. 

• Kit AP7.di is a specialized restoration system designed to remove surface ink stains, dye transfer, and clothing color rub-off from light-colored automotive leather.
• This complete kit cleans, restores, and protects delicate leather interiors while maintaining their luxurious feel.

Above Surface Key Features:

✅ Effective Surface Ink & Dye Removal – Ink 7.7 & Dye 7.9 use Reverse Transfer™ technology to safely lift stains.
✅ Cleaning & Residue-Free Rinsing – Soft Cleaner 3.8 and Rinse 3.0 ensure a thorough yet gentle clean.
✅ Finish Restoration – Matte 54 revives worn finishes affected by friction wear.
✅ Advanced Leather Protection – Conditioner B provides a non-stick, rub-resistant barrier with a soft, buttery feel.

Below Surface Key Features:

✅ Leather Structure Hydration & Softness – Hydrator 3.3 relaxes stiffness and preps leather structure for fatliquoring.
✅ Rejuvenates & Strengthens – Fatliquor 5.0 replenishes essential fats and oils, restoring softness, flexibility and resilience.

Perfect for:

✅ Luxury car interiors in light colors (white, beige, pastel, etc.).
✅ Removing ink stains, dye transfer, and soiling from daily use.
✅ Restoring softness, flexibility, and protection to delicate leather. 

 Kit AP7.di Product Contents

Available Sizes: 8oz 
(Dilution required — distilled water only) 

Water Required per Kit Size

• 8oz fill → 1373g / 1.5 quarts
• (Shake well before use). 

✅ Leather Ink Stain Remover 7.7
✅ Leather Dye Transfer Stain Remover 7.9
✅ Leather Soft Cleaner 3.8 
✅ Leather Rinsing Conditioner 3.0
✅ Leather Acidifying Conditioner 2.0 
✅ Leather Hydrating Conditioner 3.3
✅ Leather Fatliquoring Conditioner 5.0
✅ Leather Finish Topcoat Matte 54
✅ Leather Scent Buttery Feel Conditioner B Plus
✅ Leather Brush 1 
✅ Foam 2 
✅ Towel 5
✅ Sandpaper 2000

 Instruction: 

Step 1 - Ink Removal:

1. Using Reverse Transfer Technique, a stretchable Towel 5 is placed over the surface ink stain to act as an extension of the leather's surface.
2. Ink 7.7 is applied with Brush 1, ensuring any air bubbles are squeezed out for optimal contact.
3. Allow overnight to suspends the ink stain, which is then wicked into the towel and safely lifted from the leather.
4. The process is repeated until the ink stain is fully removed and the towel remains clean.

Step 2 - Dye Removal: 

1. Using Reverse Transfer Technique, place Towel 5 over the remaining dye stain, apply Dye 7.9, and squeeze out any air bubbles in between.
2. Allow overnight for the suspended dye stain to be transferred to the paper towel.
3. Inspect for satisfaction or repeat above 1 and 2 until satisfaction.

Step 3 - Cleaning:

1. Soft Cleaner 3.8 concentrate is mixed with distilled water 1:64 before use.
2. Apply and agitate with Brush 1.
3. Dwell for 3 to 30 minutes or before it dries for complete soil suspension.
4. Extract suspended sticky residue with a dry highly absorbent towel until it shows clean.
5. Remaining residue is rinsed with Rinse 3.0.

Step 4 - Rinsing: 

1. Rinse 3.0 concentrate is to be mixed with distilled water 1:40 before use.
2. Apply, brush accordingly, and extract until the towel shows clean. 
3. Finger test for a healthy squeaky feel.
4. Continue with pH balancing

Step 5 - pH Balancing:

1. Acidifier 2.0 concentrate is mixed with distilled water 1:25 before use.
2. Apply evenly, brush, and towel extract until it shows clean.
3. Inspect for tackiness satisfaction, otherwise, repeat treatment accordingly.
4. Restores leather’s pH balance by rinsing with Acidifier 2.0 to ensure a healthy, squeaky feel.

Step 6 - Hydrating (optional):

1. Hydrator 3.3 concentrate is to be mixed with distilled water at ratio 1:25 before use.
2. Pretest, apply, and work into leather becoming absorbent.
3. Accelerate saturation by working on micro-cracks, stitching seam, or perforated panel for a darkening effect.
4. Optional thorough saturation is achieved by covering with a soaked-up stretchable Towel 5.
5. Allow 1 to 24 hours of dwelling for effective relaxing results.
6. Continue with Fatliquor 5.0

Step 7 - Fatliquoring (optional):

1. Fatliquor 5.0 concentrate is mixed well before adding warm distilled water 1:5 before use.
2. Apply and redistribute with Brush 1 or Foam 2 until structure is saturated.
3. Repeat each cycle water contents evaporate leaving behind only the fat and oil content.
4. Allow natural drying for extra softness.
5. The desired suppleness is further staked and massaged, accordingly with a little wet back with Hydrator 3.3 until dry.
6. Dry prep when dry for topcoat refinishing.

Step 8 - Topcoating:

1. Matte 54 concentrate is mixed with distilled water of 1:3 before application.
2. Use foam, soft fine brush or airbrush for professional results.
3. Apply a panel at a time for even coverage, avoiding streaks, drips, and spits.
4. Let dry or speed dry between coating and continue with subsequent 2 to 3 coatings.
5. Rub-resistant protection with Conditioner B.

Step 9 - Conditioning:

1. Conditioner B concentrate is mixed with distilled water 1:19 before use.
2. Shake well, mist spray, and spread with a brush/pad and it is ready to use when dry.
3. During routine application, use a lint-free white towel to pick up soiling at the same time.

By following these steps, ink stains can be safely and effectively removed while maintaining the leather's durability and natural balance.

 Link for Detail Reading:

  Leather Ink Stain Remover 7.7 by Leather Doctor® is formulated to safely break down and release the grease component of ballpoint ink on non-absorbent surface, pigmented, and finished leathers.

 Leather Dye Transfer Stain Remover 7.9 is a professional-grade, high-viscosity solution engineered to eliminate dye transfer—such as blue jean stains—without scrubbing or damaging the leather finish.

 Leather Soft Cleaner 3.8 by Leather Doctor® is a Leather-Safe™, pH Balanced 3.8, mild cleaner designed to gently emulsify and lift light soiling without causing side effects such as rings, browning, stiffness, or discoloration.

  Leather Rinsing Conditioner 3.0 by Leather Doctor® is a pH 3.0 Leather-Safe™ Rinsing Conditioner for Removing Suspended Soil & Restoring Leather’s pH Balance.

 Leather Acidifying Conditioner 2.0 by Leather Doctor® is a professional-grade, Leather-Safe™, pH 2.0 balanced acidifying rinse conditioner scientifically designed to restore and maintain leather’s natural pH balance.

 Leather Hydrating Conditioner 3.3 by Leather Doctor® is a professional-grade Leather-Safe™, pH-balanced 3.3 aqueous surfactant solution designed to clean, hydrate, relax, restore, and condition leather’s internal structure.

 Leather Fatliquoring Conditioner 5.0 by Leather Doctor® is a Leather-Safe™ pH 5.0 anionic emulsion of fat, oil, and water fatliquoring conditioner for replenishing and softening dry leather, in line with its tannery science-based function. 

 Leather Finish Topcoat Matte 54 by Leather Doctor® is a water-based polyurethane topcoat with a matte luster that provides a durable, flexible, and protective film.

 Leather Scent Buttery Feel Conditioner B Plus by Leather Doctor® is a Leather-Safe™ pH balanced 3.2, buttery feel, non-stick, rub-resistant conditioner scientifically formulated to enhance durability, prevent friction wear, and protect all smooth leather surfaces. 

 Leather Brush 1 by Leather Doctor® is a detailing horsehair brush designed for gentle, scratch-free cleaning on all smooth leathers.

 Foam 2 is a 2-inch high-density polyfoam brush designed for durable, precise, and smooth application of leather care products. 

 Towel 5 by Leather Doctor is a high-performance, lint-free paper towel designed to perform like cloth for efficient cleaning and drying without leaving residues 

Sandpaper 2000 grit is recommended to remove refinishing streaks for in between coatings. 

 Updated: April 5, 2025 | February 16, 2026by Roger Koh