Chlorine can be absorbed transdermally through the skin in 60-90 seconds when hands are immersed in tap water.

“he held four of his fingers in in the water for 60 seconds 60 to 90 seconds he just held his fingers in the water and he took his fingers out and then I used um um chlorine drops and I actually measured the amount of chlorine in each in each each glass and I think it was a big Perry Mason kind of Tada moment for a lot of people because one glass turned bright yellow showing the presence of chlorine where he did not put his hand the other glass which was from the same tap showed no chlorine showing that in 60 seconds it went right transdermal so the body absorbed that chlorine right out of the water”