Samantha Rideout. <br/><br/>
Your Outer layer : skin changes you shouldn't ignore. 

 -  Reader's Digest.  January 2020. 
 - vol. 117, No. 683 : pg 16-17. 
<br/><br/><label>ISSN: </label>0034-0383 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Skin--Cancer--Prevention.
<br/><br/><label>LC Class. No.: </label>PER AP R534 2020