she could smell the soapiness of the doctor's hands.
Examples of soapiness
soapiness
Plus the soapiness quotient went up this season.
From the newsday.com
Something about the sharpness of the vinaigrette against the soapiness of the avocado that marries perfectly.
From the guardian.co.uk
The CW Network's current mainstay Gossip Girl takes the soapiness even further with a cast of characters who swap out partners like designer bags.
From the theatlantic.com
Its aroma is sharp and slightly aggressive, and if you bite into a seed on its own, there is, at first, a certain soapiness to its flavor.
From the npr.org
There's initially a soapiness to these stories of dastardly noblemen, goodly priests and betrayed women, but the bewildering complexity and Dickensian scope take it to another level.
From the guardian.co.uk
More examples
The quality of being soap or being covered with soap; "she could smell the soapiness of the doctor's hands"