Question

Why does your finger shrink when you wash clothes for a long time?

Answer 1

Answer:

Soap solution is a hypertonic solution i.e., more concentrate than our skin cells. ... During washing of clothes, exosmosis takes place in the skin cells. This leads to shrinkage of skin over the fingers while washing clothes for a long time.

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Answer 2

Our hands behave as a hypertonic solution and the outside of our hands behave as a hypotonic solution. Our skin behaves as a semi-permeable membrane as it is porous. So actually the water is not absorbed here just leaving and thus it shrinks.