General Question

Bhurlee's avatar

Why does the a bar of soap lather less when it gets smaller?

Asked by Bhurlee (4points) July 28th, 2009

When using a fresh bar of soap, no matter what brand, it produces a lot soap bubbles (lather). As it gets smaller it produces less lather. Why?

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3 Answers

MissAnthrope's avatar

Less surface area?

MissAnthrope (21511points)“Great Answer” (4points) Flag as…
barumonkey's avatar

When the bar gets smaller, it has less surface area, and therefore less ability to interact and generate lather with whatever it is rubbing against.

A new bar, in particular, will often have extra surface area due to the imprint of the logo.

barumonkey (1074points)“Great Answer” (3points) Flag as…
Noel_S_Leitmotiv's avatar

Decreased surface area.

Noel_S_Leitmotiv (2719points)“Great Answer” (1points) Flag as…

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