Catrachos por el mundo

How To Avoid Dye Migration On Your Doll: Try The Wet-White-Cloth Test
If a new owner takes in only one piece of advice, it should be this one, and it's also the piece most often ignored. What's dye migration? Dark fabric transferring colour onto the doll's skin, and it's permanent as soon as it takes place. Absorbed into TPE, a stain merely can't be removed, by any cleaning product, any method or any amount of scrubbing. Prevention is the only defence, and it starts with an uncomplicated test that takes two minutes and costs nothing.
 
It's Chemistry: Why Dye Migrates
Blame chemistry for this one. 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. No delay on contact: it starts immediately. With heat and pressure it speeds up, and a few hours in a warm room is enough for a permanent stain from a dark dress. On pale dolls dark marks are impossible to miss, so it's especially apparent there, though it takes place on every skin tone to some degree.
 
If Colour Transfers, Don't Use the Fabric
The test itself is effortless to do. Snip a small piece of the fabric from somewhere it won't be seen; an inside seam is ideal. Wet it thoroughly with clean water. White cloth, cotton bud or kitchen paper: pick one, and scrub the wet fabric firmly across it for about thirty seconds. Should any colour transfer to the white cloth, the fabric will stain your doll and shouldn't go on her. Should the white cloth stay clean, you're solid, because the fabric is safe and can be used without worry.
 
Pass the Water Test and You're Safe
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. If dry fabric on dry skin transfers less dye than wet fabric on damp skin, then testing with water gives you the worst case, and that's exactly what you want. When the fabric passes the water test, you can treat it as safe for usual use. Fail, and it will stain; there's no way around it.
 
Test Every New Piece of Clothing
Repeat the test for every new piece of clothing, even when you've used the same brand before. Safe last year doesn't mean safe this year, with manufacturing processes changing and dye batches varying. Two minutes. That's what separates a doll that looks great for years from a doll with permanent dark marks on her thighs. You've got no excuse for skipping it, and those who learn the hard way are the customers who end up buying replacement dolls.
 
Neon Colours Are Risky Too
Failing the test most frequently: dark colours, cheap dyes, and anything that feels a little waxy or coated. Black, dark red, dark blue and dark purple offend worst, since the dyes are concentrated and oil-soluble. The substantial amounts of pigment in bright neon colours make them risky too. Fabric that's been dyed cheaply is more likely to bleed than fabric that's been dyed properly, which is why costly clothing is regularly safer than cheap clothing, even though the difference isn't guaranteed.
 
Not Enough Pigment to Stain
Fabric is safest when it's a light colour, a natural fibre, or something that's been pre-washed. You can practically always count on white, cream, beige and pale pastels, because there's not enough pigment to cause visible staining. Cotton, linen, other natural fibres: all tend to hold dye more firmly than synthetics, and all are less likely to bleed as a result. Excess dye is what tends to transfer onto the doll, and pre-washed fabric has already released most of it, so it's less likely to. Pre-wash any new clothing before it touches the doll if there's any doubt.
 
What to Try if a Fabric Fails
Failed the test? A few remedies are worth a go before you give up on the fabric. Several washes, hot, with a small quantity of white vinegar, may set the dye and lessen bleeding. Salt binds the dye to the fibres, acting as a mordant, so leaving the fabric in a saltwater solution overnight can also help. Neither is guaranteed, and some fabrics will bleed whatever you attempt, but for a specific piece of clothing you truly want to use, give them a go.
 
A Barrier Between Dye and Skin
Still failing after washing? Then the safest choice is to not use the fabric. 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.Use it regardless if you must, because you're attached to the fabric, but there are a few mitigation strategies to know about. Line the inside of the clothing with a light-coloured fabric, which produces a barrier between the dark dye and the doll's skin. You could instead use the clothing for short spans only and remove it immediately after use. They minimise the risk, but neither is foolproof.
 
Acquire From Sellers Who Understand Dye Migration
For buyers who are buying clothing for a doll, the safest approach is to purchase from vendors who grasp dye migration and have tested their fabrics. That doll-specific clothing brands are ordinarily aware of the issue and opt for their fabrics accordingly explains why their clothing is more expensive but also more reliable. A gamble is what you're taking with generic clothing from high street shops, and the cheaper it is the higher the risk. Invariably run the test on generic clothing before it's used.
 
Test More Thoroughly in Summer
Another thing worth knowing about is a seasonal factor. Warm weather makes dye migration worse, since heat accelerates the process. Summer might bring a failure for a fabric that passed the test in winter, especially if the doll is stored in a warm room. Consider washing new clothing a number of times before use, and test it more fully, if you're purchasing it in summer. If you're storing a doll in a warm room, the same applies, as the heat will make any residual dye migrate faster.
 
The Doll's History
A bit of understanding about the stain itself, if it takes place, is valuable. Rather than sitting on the surface, the dye spreads through the material, which makes dye migration stains generally diffuse rather than sharp. You get a general darkening or discolouration across the zone. A clear outline of the fabric, you don't. The stain spreads and deepens, so what's hard to spot at first becomes more clear over time. After it's set, removal is impossible, and the choice is to cover it with clothing or live with it as part of the doll's history.
 
Use a Fresh Section of Cloth Each Time
A decent testing approach matters as much as the test itself. Missing a slow bleed is effortless with a fast rub, so don't skimp on the thirty seconds of rubbing. Rub hard enough that you could be attempting to remove a stain; the fabric will experience that pressure against the doll's skin. Keep the tests separate by employing a fresh section of the white cloth each time; an already-stained cloth gives 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
The darkest section comes first when you're testing a fabric with multiple colours. Pass on light, fail on dark: a fabric might do both, and the dark sections are what 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.
 
An Hour, or Days, or Weeks
Another point is how long a fabric needs to sit against the doll before staining happens. The answer is that it varies vastly, and it depends on the fabric, the temperature, and the pressure. An hour is all it takes for some fabrics to stain, but others take days or weeks. No gambling on a failed fabric; the safest approach is to assume it will stain eventually and avoid it totally. There's no safe exposure time for a fabric that bleeds, because the bleed is cumulative and irreversible.
 
Look at the Thighs, Back and Buttocks
Check a used doll for dye migration before purchase; it's worth the effort. Where staining most commonly occurs, the thighs, back or buttocks, is where to look for dark patches. Because the stains are permanent and influence the doll's appearance, a doll with apparent dye stains is worth less than one without. If you're purchasing a used doll with stains, factor the cost of covering them (with clothing or a new body) into the price, and don't pay full cost for a soiled doll.
 
Test Every New Piece of Clothing
The wet-white-cloth test is the habit that matters most among all the maintenance habits a doll owner can develop. What you get for two minutes and no outlay is protection against the most widespread cause of permanent damage. Every single new piece of clothing, tested, as routine; don't skip it just because you're in a hurry. Those five minutes you save by skipping the test could cost you a doll. More info at this The Ultimate Word on Modern Sex Dolls- Before You Spend a Penny (https://lorinacosmetics.com.ua/index.php?topic=1260.new#new) f0d2c73  and don't forget The Real Deep Dive Into Sex Dolls Right Now- What Actually Matters (http://rc.zeitup.hera-software.de/thread-22291.html) and The Full Primer on Sex Dolls Right Now- Read Before You Buy (https://ulundi.online/mybb/showthread.php?tid=836). Also check out  more about the author (https://cbfunk.ch/forum/viewtopic.php?t=853) for more.