It also is much more difficult to clean period, since you can’t sterilize it. obviously, there are care instructions that come with your doll on how to clean a TPE sex doll, but if you’re not ready to take the initiative and clean it, then you might want to consider another alternative. Remember, this is an investment, and it is important that you should consider this factor as well.
Another thing to also watch out for is that this type of material is more sensitive, not just to the oils from our skin, but also the fabrics, not just from our clothes but also from doll clothing as well. Because it is sensitive, it often leads the doll to have stains left from clothing, and it is definitely sensitive to certain fabric types as well. This is important to remember, because some of us do like to dress our dolls up, and if you’re wondering if a doll can wear that, then you should check. TPE is porous, and typically if the stain gets on there, it can sometimes have trouble getting out.
The most premium sex dolls are usually made from silicone or thermoplastic elastomer known as TPE. Dolls made of either material can be very lifelike, with faces and bodies modeled on real people in some instances, with realistic skin material (similar to that used for movie special effects), and with realistic (or even real) hair. These dolls usually have an articulated PVC or metal skeleton with flexible joints that allows them to be positioned in a variety of positions for display and for sexual acts. Silicone or TPE dolls are much heavier than vinyl or latex inflatable ones (which consist mostly of air), but are roughly half the weight of a real human being of comparable size.

It’s also way cheaper. For many of us who are starting on our sex doll adventure, TPE is the best choice in many cases, since often, you might not have the money or a silicone doll. Silicone is super expensive, and it definitely is something that you might have a problem with. With TPE, you can get a sex doll and learn to experience it, and from there, you’ll be able to eventually get another doll if you so like. Obviously, it isn’t super cheap, but if you’ve decided to commit to a sex doll, and you’re still unsure of if you want to have a much more expensive option or not or you just don’t want to wait, then definitely consider the idea of going TPE with your choice, since it can definitely help.

The final thing, is that it is also hypoallergenic, and that means that you won’t’ get allergic to it. With some people, they are unfortunately allergic to silicone, which can be a problem over time. You might want to consider this if you know that you have a silicone allergy and you still want a sex doll, since it can help alleviate this problem if you do have it.

In Japan, sex dolls are known as "Dutch wives" (ダッチワイフ datchi waifu), which now refers to relatively inexpensive dolls. Their name originates from the term, possibly English, for the thick rattan or bamboo bolster, used to aid sleep in humid countries by keeping one's limbs lifted above sweaty sheets. Orient Industry is considered to be the leading manufacturer of high-end silicone dolls in Japan,[13] which started using another term "love dolls" (ラブドール rabu dōru) around 1998 to distinguish their dolls from the image of inflatable dolls associated with the term "Dutch wife".[14] The term has stuck and is now used generally to refer to any high-end product. There is a business, Doru no Mori (Doll Forest) in Tokyo, that rents love dolls and rooms to male customers.[15][16] In March 2007 the Japanese daily Mainichi Shimbun newspaper reported that there are also rental businesses that bring the dolls to the customer's home, and that the specialist love-doll magazine i-doloid has a print-run of 10,000 copies per issue.[17]
The final thing, is that it is also hypoallergenic, and that means that you won’t’ get allergic to it. With some people, they are unfortunately allergic to silicone, which can be a problem over time. You might want to consider this if you know that you have a silicone allergy and you still want a sex doll, since it can help alleviate this problem if you do have it.

Now, TPE stands for thermoplastic elastomer, which is essentially a mixture of polyvinyl chloride and silicone. This is a type of skin that is very soft, and it mimics the feeling of human skin. TPE is way more realistic in feeling and it definitely mimics the feeling of human skin. It also is much cheaper than silicone alternatives, sometimes even hundreds of dollars cheaper. TPE also allows you to move the doll around in various ways, since it has more flexibility. TPE dolls don’t really need to be bathed, but you can, just be mindful of the water. It also is hypoallergenic as well. 
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