Chapter 21.4, Problem 25R

To determine

The effect on the skin when it is washed too often is to be explained.

Answer to Problem 25R

When skin is washed too often, it removes healthy oil and bacteria from skin which causes irritation on the skin.

Explanation of Solution

With too many washing, healthy oil and bacteria is removed from skin. Thesebacteria help to strengthen the immune system. Theremoval of these bacteria causes dry, itchy and allows to enter bad bacteria in skin.

Conclusion:

Skin is sensitive part of human body. With too many washings,it will be damage day by day and looses healthy oil and bacteria.