Dryness n = 25

Dry

Slightly dry

Not dry

Do not know

p-value χ²-test

Before

5

20%

8

32%

7

28%

5

20%

0.059

After

1

4%

3

12%

13

52%

8

32%

Itchiness n = 26

Itchy to the point it is not possible to refrain from scratching

Notice scratching unconsciously

Scratch slightly here and there

Scratch slightly but can refrain from scratching

Feel no itch

p-value χ²-test

Before

5

19%

10

38%

5

19%

5

19%

1

4%

0.033

After

1

4%

4

15%

10

38%

5

19%

6

23%