This may be Teddy's hair or lanugo, which is generally not very curly. As soon as it starts to moult, its hair will begin to curl. Parents, don't worry. If it is already an adult, it may be that Teddy's genes are not good. Purely causes the hair to become uncurly, parents should avoid this situation when purchasing.

Tips:

In order to avoid buying impure breeds of dogs, parents are best to go to regular kennels or home breeders to buy them. Street vendors are very Gullible.