1) Beauty is only skin deep.

2) Beauty is but skin deep.

3) Catch the bear before you sell his skin. 

4) There's more than one way to skin a cat. 

5) The fox changes his skin but not his habit. 

6) The lion’s skin is never cheap. 

7) Sell the bear’s skin before one has caught the bear. 

8) Do not sell the bear’s skin before you have caught the bear. 

9) As soon goes the young lamb’s skin to the market as the old ewe’s. 

10) Her skin was as white as snow.

11) The skin of the drum is taut.

12) They were soaked to the skin.

13) The rough cloth prickled my skin.

14) She has a pale skin which doesn't tan easily.

15) Scales of skin peel off after scarlet fever.

16) Her skin tans very quickly in the summer.

17) His skin felt painful and prickly.

18) The doctor has injected him under the skin.

19) Her skin felt moist and feverish.

20) Her shoes chafed the skin on her feet.

21) Tests revealed some abnormal skin cells.

22) Our skin cream contains only natural ingredients.

23) A sudden thunderstorm had drenched us to the skin.

24) All reptiles have to slough their skin to grow.

25) Prolonged exposure to the sun can cause skin cancer.

26) Use a soap that is mild on the skin.

27) Use a damp flannel to clean the skin.

28) During the summer,[http://sentencedict.com/skin.html] my skin sometimes gets greasy.

29) A cicada sloughs off its old skin every spring.

30) You can have no more of the fox than the skin.