Catrachos por el mundo

How To Avoid Dye Migration On Your Doll: Attempt The Wet-White-Cloth Test
This is the single most significant piece of advice any new doll owner can receive, and it's also the one that's most frequently ignored. Colour moving from dark fabric onto the doll's skin is called dye migration, and it's permanent once it has occurred. Nothing will shift a stain that's been absorbed into TPE: not a cleaning product, not an approach, not any quantity of scrubbing. The only defence is prevention, and prevention starts with a simple test that takes two minutes and costs nothing.
 
Every Skin Tone Is at Risk
Blame chemistry for this one. Like water soaking into a sponge, dye migrates from the fabric into the TPE, because TPE is an oil-based material and dark dyes are ordinarily oil-soluble. Contact starts it straight away, and heat and pressure make it quicker; a few hours in a dark dress in a warm room is enough to cause a permanent stain. This is particularly noticeable on pale dolls, where dark marks are impossible to miss, but it happens on every skin tone to some degree.
 
The Test Itself Is Straightforward
The test itself is effortless to do. Clean water, and plenty of it, goes on a small piece of the fabric that you've taken, ideally from an inside seam where it won't be seen. Firmly, for about thirty seconds, drag the wet fabric over a white cloth, cotton bud or piece of kitchen paper. If you see any colour transfer to the white cloth, that fabric will stain your doll; don't put it on her. No colour on the white cloth? The fabric is safe, so use it without worry.
 
Why the Test Uses Water
Moisture that's naturally present on the doll's skin is what activates the dye transfer, and water simulates it, which is why the test uses water. You want a worst-case scenario, and testing with water gives you one, because wet fabric on damp skin transfers more dye than dry fabric on dry skin. Safe for ordinary use is any fabric that passes the water test. Failing means staining, and you can't get around it.
 
The Hard Way Means Replacement Dolls
Don't assume a brand you've used before is fine: repeat the test for every new piece of clothing. Changing manufacturing processes and varying dye batches mean a fabric that was safe last year might not be safe this year. In two minutes the test settles whether you have a doll that looks decent for years or a doll with permanent dark marks on her thighs. Replacement dolls get bought by the purchasers who learn this the hard way, and there's no excuse for skipping the test.
 
Costly Clothing Is Often Safer
What tends to fail the test? Dark colours, cheap dyes, and anything that feels a little waxy or coated. Black, dark red, dark blue, and dark purple are the worst offenders, because these dyes are concentrated and oil-soluble. Large quantities of pigment make bright neon colours hazardous as well. Regularly pricey clothing is safer than cheap clothing, because cheap dyeing is more likely to bleed than proper dyeing, but the difference isn't guaranteed.
 
What to Reach For
Fabric is safest when it's a light colour, a natural fibre, or something that's been pre-washed. You can almost consistently count on white, cream, beige and pale pastels, because there's not enough pigment to cause apparent staining. Cotton, linen, and other natural fibres tend to hold dye more firmly than synthetics, which means they're less likely to bleed. Most of the excess dye has gone from pre-washed fabric, which makes it less likely to transfer onto the doll. Any new clothing should be pre-washed before it goes on the doll, when in doubt.
 
Setting the Dye to Reduce Bleeding
Giving up on a failed fabric can wait, since there are a few things you can try. Hot water and a small amount of white vinegar, applied over several washes, can help set the dye and minimise bleeding. Salt binds the dye to the fibres, acting as a mordant, so leaving the fabric in a saltwater solution overnight can also help. Success isn't certain: these methods don't invariably work and some fabrics bleed anyway, though they're worth a shot for a particular piece of clothing you genuinely want to use.
 
If It Still Fails After Washing, Don't Use It
Not employing it is the safest alternative if a fabric still fails after washing. Because a stain on a doll is permanent, and a new doll costs far more than replacing a piece of clothing, it's not worth the gamble.When attachment to the fabric wins and you want to use it regardless, a few mitigation strategies are on offer. Line the inside of the clothing with a light-coloured fabric, which generates a barrier between the dark dye and the doll's skin. Or use the clothing for short spans only, and remove it immediately after use. Neither is foolproof, though both minimise the risk.
 
Cheaper Clothing, Higher Risk
For buyers who are acquiring clothing for a doll, the safest approach is to buy from retailers who understand dye migration and have tested their fabrics. Doll-specific clothing brands tend to know about the issue and opt for their fabrics accordingly, which makes their clothing more expensive but also more reliable. Risk rises as the price falls, and generic clothing from high street shops is a gamble. With generic clothing, the rule is to always test it before use.
 
Dye Migration Is Worse in Warm Weather
You should know about a seasonal factor too. The warmer it gets, the worse dye migration is, since heat accelerates the process. There's a risk that a fabric passing the test in winter fails in summer, especially when the doll is stored in a warm room. When purchasing new clothing in summer, be more detailed with the test, and consider a number of washes before use. If you're storing a doll in a warm room, the same applies, as the heat will make any residual dye migrate faster.
 
Diffuse, Not Sharp
Worth understanding is the stain itself, if it takes place. Ordinarily diffuse rather than sharp are dye migration stains, as the dye spreads through the material instead of sitting on the surface. You get a general darkening or discolouration across the region. A clear outline of the fabric, you don't. The stain spreads and deepens, so what's hard to spot at first becomes more evident over time. There's no fixing a set stain, so you either cover it with clothing or accept it as part of the doll's history.
 
Rub as Firmly as You Would on a Stain
It's not only the test but the testing approach that matters. Don't skimp on the thirty seconds of rubbing, because a quick rub can miss a slow bleed. Firmly does it, as if removing a stain, and the reason is that the doll's skin will subject the fabric to that pressure. One section of the white cloth per test, because a cloth that's already stained from a previous test will give a false result. Test wet. Water is what activates the dye transfer, and a dry fabric won't tell you the same.
 
Dark Patterns on a Light Background
If you're testing a fabric with multiple colours, test the darkest section first. Failing on the dark sections is possible even if a fabric passes on the light ones, and the dark sections are what will stain the doll. Be especially cautious of dark patterns on a light background, where the dark parts are the ones that bleed, and test each colour separately when you're not sure.
 
An Hour, or Days, or Weeks
Staining takes place after some length of contact between fabric and doll, so how long is that? Fabric, temperature and pressure all play a part, and the answer varies enormously. Certain fabrics will stain within an hour, with others taking days or weeks. Safest is a straightforward rule: failed the test means it will stain in the end, so avoid it entirely. Exposure time can't be made safe for a fabric that bleeds, because the bleed is cumulative and irreversible.
 
Dye Migration Before You Buy Used
Buying a used doll? Check for dye migration before you purchase. Look for dark patches on the thighs, back, or buttocks, which are the most usual areas for staining. A doll with noticeable dye stains is worth less than one without, because the stains are permanent and influence the doll's appearance. Price the stains in. Covering them (with clothing or a new body) costs money, so factor that into the price of a used doll with stains, and don't pay full cost.
 
The Five Minutes That Could Cost You a Doll
The single most critical maintenance habit any doll owner can develop is the wet-white-cloth test. The most usual cause of permanent damage is prevented by a test that takes two minutes and costs nothing. Every single new piece of clothing, tested, as routine; don't skip it just because you're in a hurry. Five minutes saved by skipping the test is a poor trade if it costs you a doll. More info at this The Definitive Overview of Modern Sex Dolls- The Truth (http://team-uber.com/forum/viewtopic.php?f=3&t=1938) f2b4ea4  which is worth considering with The Ultimate Word on Sex Dolls- The Real Talk (https://www.antiradary-forum.cz/viewtopic.php?p=32391#32391) and Your Ultimate Look at Modern Sex Dolls- What You Need to Know (https://punbb.skynettechnologies.us/viewtopic.php?pid=1350388#p1350388). Also check out  her explanation (https://foro.muvenezuela.org/showthread.php?tid=45184) alongside all  read this article (https://anchen.com.ua/index.php?topic=384.new) and  you can look here (http://my-xanadu.org/viewtopic.php?t=12261) for more.