Natural curls are included in your loose wave bundles. It would be like attempting to push the wig straight using a regular hair comb on it. Using a standard comb on the hair is the incorrect procedure since you cannot have a loose wave wig that doesn’t curl. Over time, using a regular comb will cause the hair to get rumpled and lose its attractiveness.

loose wave wig(https://www.mscocohair.com/blog/post/how-should-i-care-for-a-loose-wave-wig/)