Johnny Hyde apparently arranged for Marilyn to have a small amount of cartilage removed from her nose although there are no documents to back this up. She did however have a chin implant. Below is a document discussing how the implant had been absorbed. There was also a small scar on her chin.
It is suggested that she also had her teeth “fixed” despite her modelling documentation stating her teeth were “perfect.” There are no documents to suggest she had ever had dental surgery. Some sources say she had electrolysis to remove her window’s peak but again, there are no documents to back this up or images of Marilyn showing signs of having had the treatment. Back in the 1940s, it would’ve been a painful process, showing red soreness which no images suggest. In addition, some images from the 60s show Marilyn still with a widow’s peak.