MARK THOMAS / SCIENCE PHOTO LIBRARY MARK THOMAS / SCIENCE PHOTO LIBRARY
Fingertip unit of cream. A fingertip unit (FTU) is the amount of cream or ointment that when squeezed through a 5mm wide nozzle runs from the top of an adult's finger to the first crease of that finger. It will cover an area of skin approximately the size of two full hands.
Model release available. Property release not required.