PU LEATHER LAB / GUIDE 08

When a seamless body is stained

Identify the mark and the material before you reach for a chemical.

BEFORE ANY CHEMICAL TREATMENT01 Identify the body and the mark02 Confirm product compatibility03 Follow the approved test and time04 Remove, inspect; stop if changed
IRIS reports a wrapped 12-hour BPO example, but its formulation and tested models are unspecified. This diagram is a decision sequence, not approval to use that duration on any body.

Surface marks and absorbed dye need different decisions

Remove the costume and photograph the mark. A surface smudge, a pencil line and dye that has migrated into a body are not the same problem. Check the exact body model and whether its surface is silicone, TPE, painted or coated. Do not assume all silicone or seamless bodies tolerate the same treatment.

For a pencil mark on an unpainted compatible surface, IRIS reports that a clean white eraser can help. Test discreetly and use very light pressure. Stop if the surface changes, drags or becomes shiny. Do not scrub painted features, printed details or fragile coatings.

IRIS practice note: benzoyl peroxide

IRIS reports using a benzoyl-peroxide acne preparation for body colour transfer: wash with soap, remove moisture, apply the preparation while wearing protective gloves, cover the treated area with plastic wrap without air pockets, leave for approximately 12 hours, then wash with soap and water. IRIS reports repeating the process if a stain remains.

This records the owner’s practical example. The product concentration, full formulation and tested body models have not been specified. It is not a verified universal procedure, a manufacturer-approved doll treatment or a guarantee of removal. Do not copy the 12-hour duration or repeat it automatically on an untested body.

Before considering that method

  1. Get product-specific confirmationAsk the body maker whether the exact preparation and wrapping method are compatible. Prefer a stain remover explicitly supported for your model. If compatibility is unknown, pause rather than experiment on a valuable figure.
  2. Protect yourself and the surroundingsBenzoyl peroxide can irritate human skin and bleach fabrics. Follow the product label for handling, compatible protective gloves and eye protection. Keep it away from children, pets, costumes and painted parts. This article is about objects, not treatment of human skin.
  3. Use the approved test and timeFollow the confirmed product/body instructions, including a hidden-area test and maximum contact time. Do not add heat or sunlight, mix chemicals or extend the exposure to chase a result.
  4. Remove, inspect and decideRemove the preparation exactly as directed and dry the surface. Stop if there is whitening, tackiness, swelling or a texture change. Ask the maker before repeating; absorbed dye may not be fully removable.

Record what worked

Keep the body model, chemical name and concentration, contact time and before/after photographs together. An outcome on one sample is useful evidence for that sample; it does not establish compatibility for every silicone or TPE body.

IRIS / FREE GUIDEBOOK

Seamless-body stain prevention guide

A free guide covering contact tests, barriers and innerwear, photography, display, storage and a weekly checklist. Download the Japanese original or the English translation with editorial precautions.

日本語原本 PDF / 無料ダウンロード ↓

English PDF / Free download ↓

Build a repeatable care routine

  1. Inspect and record: identify the body material and clothing backing; record time, temperature and humidity. The source’s 24-hour test can itself stain a body, so prefer approved spare material and stop at any change.
  2. Reduce contact: use compatible pale innerwear or lining. Film is temporary; avoid tight wrapping and trapped moisture, then remove it. Powder alone does not block dye.
  3. Undress and inspect: the source’s 1-3 hour shoot and 6-8 hour display intervals are inspection reminders, not safe limits. Store dark clothes separately and check weekly for shadows, colour changes and tackiness.

The Japanese original is unchanged. It mixes TPE and silicone terminology and describes a 10% BPO treatment lasting 24-72 hours. This differs from the separate 12-hour IRIS example; neither is a validated procedure for every body. Use oils, detergents, chemicals and powders only as approved for the specific body and clothing.

Sources & readingIRIS12DDA — colour transfer guide (owner resource)PMDA — benzoyl peroxide: irritation and bleaching warnings

Illustrations: IRIS12DDA editorial diagrams. General care guidance is not a laboratory test of an individual costume or body. Some reference pages are in Japanese.