Figure 2

Removal rate of dermal DEHP exposure over both hands in each individual. (a) N-of-1 trials on one female subject; (b) The crossover study on 28 study subjects. The removal rate accomplished by handwashing with soap and water (black) or water only (gray) for each individual whose hands were exposed to 0.5 mL of 1000 μg/mL standard DEHP solution.