SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Scanning electron micrograph (SEM) of dirty human hair - unwashed for 4 days & speckled with flakes of skin & dirt. Compare with P720/053 which shows hair after washing in shampoo. Magnification: X 400 at 8x10-inch size, X 57 at 35mm size.
Model release not required. Property release not required.