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How To Avoid Dye Migration: Employing The Wet-White-Cloth Fabric Test
New owners are given plenty of advice, but this is the single most essential piece, and it's the one most regularly ignored. Dye migration occurs when dark fabric transfers colour onto the doll's skin, and it never reverses once it's happened. A stain that's been absorbed into TPE is there for good, and there's no cleaning product, no approach, no quantity of scrubbing that removes it. The one defence is prevention, and the way to start is a straightforward test which takes two minutes and costs nothing.
 
Pale Dolls Show It Worst
It all comes down to chemistry. Picture a sponge taking in water: that's the dye migrating from the fabric into the TPE, helped along by TPE being oil-based and dark dyes being generally oil-soluble. Warm room, a few hours, a dark dress left on the doll: enough to cause a permanent stain, since the process accelerates with heat and pressure. Pale dolls show it most, with dark marks impossible to miss, but it happens on every skin tone to some degree.
 
If Colour Transfers, Don't Use the Fabric
There's nothing involved about the test itself. Cut off a small piece of fabric (an inside seam where nobody will see is ideal) and get it fully wet with clean water. Then take a white cloth, a cotton bud, or a piece of kitchen paper, and rub the wet fabric firmly against the white cloth for about thirty seconds. Should any colour transfer to the white cloth, the fabric will stain your doll and shouldn't go on her. If the white cloth stays clean, the fabric is safe, and you can use it without worry.
 
Fail It and It Will Stain
Water stands in for the moisture that's naturally present on the doll's skin, which activates the dye transfer, and that's why the test uses it. Dry fabric on dry skin transfers less dye than wet fabric on damp skin, so testing with water gives you a worst-case scenario, which is precisely what you want. Normal use is safe for fabric that passes the water test. There's no way around it: a fabric that fails will stain.
 
Even the Same Brand Needs Testing
A brand you've used before doesn't get you out of it; the test is repeated for every new piece of clothing. Because dye batches vary and manufacturing processes change, there's no guarantee that a fabric that was safe last year is safe this year. Permanent dark marks on her thighs are the alternative to a doll that looks good for years, and the test that decides it takes two minutes. Replacement dolls get acquired by the customers who learn this the hard way, and there's no excuse for skipping the test.
 
Pricey Clothing Is Often Safer
Beware dark colours, cheap dyes, and marginally waxy or coated fabrics, the types most likely to fail the test. Pay most attention to black, dark red, dark blue and dark purple, the worst offenders, whose dyes are concentrated and oil-soluble. Bright neon colours are a risk as well, thanks to the sizable quantities of pigment they use. With cheaply dyed fabric more likely to bleed than properly dyed fabric, costly clothing is often the safer bet, even though the difference isn't guaranteed.
 
Cotton and Linen Hold Dye Better
If you want the safest types of fabric, go for light colours, natural fibres, and anything that's been pre-washed. Pigment is the issue, and white, cream, beige and pale pastels don't have enough of it to cause visible staining, so they're practically invariably safe. Cotton, linen, other natural fibres: all tend to hold dye more firmly than synthetics, and all are less likely to bleed as a result. Washing beforehand gets rid of most of the excess dye, so pre-washed fabric is less likely to transfer onto the doll. In case of doubt, pre-wash new clothing before putting it on the doll.
 
Salt Acts as a Mordant
Failed the test? A few remedies are worth a go before you give up on the fabric. It can help to set the dye and reduce bleeding if you wash the fabric several times, in hot water with a small amount of white vinegar. An overnight saltwater solution soak can also help the fabric, as salt works as a mordant and binds the dye to the fibres. Success isn't certain: these methods don't invariably work and some fabrics bleed regardless, though they're worth a shot for a precise piece of clothing you really want to use.
 
The Safest Option Is Not to Use It
Still failing after washing? Then the safest choice is to not use the fabric. Weigh the two: a stain on a doll is permanent, and a new doll costs far more than replacing a piece of clothing.Use it in any case if you must, because you're attached to the fabric, but there are a few mitigation strategies to know about. Put light-coloured fabric inside the garment as a lining, producing a barrier between the dark dye and the doll's skin. Another option is short periods of use only, with the clothing removed right away after use. Foolproof they're not, but they do minimise the risk.
 
Always Test Generic Clothing
If it's clothing for a doll you're after, opt for a retailer who comprehends dye migration and has tested their fabrics, as that's safest. Doll-specific clothing brands tend to know about the issue and choose their fabrics accordingly, which makes their clothing more expensive but also more reliable. Generic high street clothing is a gamble, and the risk goes up the cheaper the clothing is. If you're purchasing generic clothing, always test it before use.
 
How Weather Affects Staining
It's also worth knowing there's a seasonal factor. The warmer it gets, the worse dye migration is, since heat accelerates the process. Don't assume a winter pass holds in summer, particularly if the doll is stored in a warm room, as the fabric might fail. Purchasing new clothing in summer? Test it more thoroughly, and consider washing it a number of times before use. Any residual dye will migrate faster in the heat, so the same applies if you're storing a doll in a warm room.
 
Diffuse, Not Sharp
Should it take place, the stain itself is worth understanding. Rather than sitting on the surface, the dye spreads through the material, which makes dye migration stains normally diffuse rather than sharp. They appear as a general darkening or discolouration of the region, rather than a clear outline of the fabric. This means a stain that's harder to spot at first but more plain over time, since it spreads and deepens. Set stains stay put, and all you can do is hide them under clothing or accept them as part of the doll's history.
 
Getting the Test Right
The testing approach is as important as the test itself. Cut the rubbing short and you might miss a slow bleed, so don't skimp on the thirty seconds. Rub firmly, as though you're attempting to remove a stain, because that's the pressure the fabric will experience against the doll's skin. Fresh cloth for each test, please: a section already soiled from a previous test gives a false result. One more thing: wet, not dry. Water activates the dye transfer, so that's how the fabric gets tested.
 
Multi-Coloured Clothing and the Dye Test
Start with the darkest section if you're testing a fabric with multiple colours. It's possible for a fabric to pass on the light sections but fail on the dark ones, and it's the dark sections that will stain the doll. Dark patterns on a light background are the ones to watch, as the dark parts are the ones that bleed; if you're not sure, test each colour separately.
 
How Long Before the Stain Appears?
How long does fabric need to touch the doll before staining takes place? No single answer: it depends on the fabric, the temperature, and the pressure, and it varies hugely. Days or weeks are what others take, while some fabrics will stain within an hour. Fail the test and the fabric is out: the safest approach is to assume it will stain in the end. With a bleed that's cumulative and irreversible, there is no safe exposure time for a fabric that bleeds.
 
Clothing or a New Body to Hide the Damage
For purchasers who are buying a used doll, dye migration is worth checking before purchase. Search for dark patches on the thighs, back, or buttocks, the most widespread staining zones. A soiled doll is worth less than an unstained one, since the stains are permanent and impact her appearance. Price the stains in. Covering them (with clothing or a new body) costs money, so factor that into the cost of a used doll with stains, and don't pay full cost.
 
The Wet-White-Cloth Test: Your Best Habit
If you only develop one maintenance habit as a doll owner, make it the wet-white-cloth test. It takes two minutes, it costs nothing, and it stops the most common cause of permanent damage. Get into the habit of testing every new piece of clothing, even when you're in a hurry. Those five minutes you save by skipping the test could cost you a doll. More info at this A Straight-Up Rundown of Modern Sex Dolls- The Real Talk (https://forums.librenetwork.org/showthread.php?tid=1353) 046f3c8  not to mention The Full Overview of Sex Dolls Today- The Honest Breakdown (https://avtechforums.com/showthread.php?tid=153018) bearing in mind The Complete Look at Sex Dolls- Before You Spend a Penny (https://test.virtualworldsitalia.com/index.php?topic=997.new#new) together with A Brutally Honest Overview of Sex Dolls Right Now- The Honest Breakdown (https://dark0de.org/showthread.php?tid=1401) on top of An Honest Overview of Sex Dolls Right Now- The Stuff That Matters (https://gelsenkirchen1904.de/thread-4912.html) alongside all A Brutally Honest Rundown of Sex Dolls Right Now- Before You Spend a Penny (https://gelsenkirchen1904.de/thread-5138.html) which is worth considering with The Real Guide to Sex Dolls- Before You Spend a Penny (http://crewride.com/forum/viewtopic.php?p=933315#933315) on top of The Complete Overview of Sex Dolls- Read Before You Buy (http://forum.ruchkontroliwyborow.pl/index.php?topic=124925.new#new) on top of A Straight-Up Word on Modern Sex Dolls- What to Expect (https://forum.oldgrumpydog.com/index.php?topic=7722.new#new) and A Straight-Up Guide to Sex Dolls- The Stuff That Matters (https://thesolowargamer.com/showthread.php?tid=17187). Also check out  go right here (http://talknaija.com/viewtopic.php?t=300161) alongside all  recommended reading (http://guitarproof.free.fr/phpBB/viewtopic.php?p=2647) together with  check out this site (https://www.futurforum.itisavogadro.org/bb/showthread.php?tid=809) bearing in mind  read this (http://1.s.2.free.fr/viewtopic.php?f=18&t=556542) together with  visit this page (https://cbfunk.ch/forum/viewtopic.php?t=1122) and don't forget  get the facts (http://1.s.2.free.fr/viewtopic.php?f=18&t=555209) and don't forget  this post (https://buckazoidtalk.org/index.php?topic=1832.new) on top of  view it now (https://dreamstation.site/showthread.php?tid=5561) which is worth considering with  redirected here (http://crewride.com/forum/viewtopic.php?p=642911) and  try these out (https://www.forum.lahordedusaves.fr/showthread.php?tid=118) for more.