Nail Salons for The New York Times

Esthetician Hue Nguyen teaches a nail salon class at the International College of Cosmetology in San Francisco. Ms. Nguyen says that after working for four years at a nail salon, she got breast cancer that is now in remission. Now, she is devoted, as she says, to "let every manicurist know the dangers of the the chemicals and help them have a good environment to work in."

Read more of Sarah Maslin Nir's great story. See my archive of photographs here.