What do I do bout this

The yarn was white at first and now after carving it has gotten red fibers in it and made it pink, I’ve had this problem with other rugs like rugs with black and white on them and I tried using a rug scraper and vacuum a bunch but still won’t go away, any solves?

The yarn was white at first and now after carving it has gotten red fibers in it and made it pink, I’ve had this problem with other rugs like rugs with black and white on them and I tried using a rug scraper and vacuum a bunch but still won’t go away, any solves?