The Bacillus of Beauty - Legacy of the Corridor, #5

Overwhelming Beauty! Helen Winship moved to New York to pursue her studies in biology. John Burke, her fiancé, arrives in the Big Apple to find she has transformed into the most beautiful woman in the world thanks to an experimental microbial treatment given to her by her professor. The treatment is successful beyond everyone's wildest dreams, catapulting Helen into high society as every man wishes to be near her.
Will her outlook on life be changed? Will John be able to keep her love despite all of the attention she receives now from other potential suitors? How long will Helen's newfound dazzling beauty last? Find out in this classic tale from an early science fiction writer.