Your curly wigs may be straightened without risk. But how you approach it also counts. For instance, it is not suggested to use a flat iron or heat on curly hair that has tight curls. Instead, get a second wig with straighter or looser curls.

curly wigs(https://www.mscocohair.com/blog/post/does-the-curly-wigs-can-be-straightened-without-damage-it/)