Awhile back I bought a white bodied Samantha on EBAY. Her outfit looks brand new and her hair is beautiful and perfect. The only problem she has ever had is her face looks sunken in. It looks like she was stored on her back in a warm environment and the plastic has sagged some. Is there any way to reverse this without damaging the doll? I don't want to get a head replacement because of her original wig. Thanks!