Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content ++ Prevention ++ Avoid smoking Avoid exposure to the sun Use an SPF 50 or higher sunscreen during the day Wash with a ‘neutral’ mild soap (e.g. Neutrogena, max. twice daily) and pat dry ++ Treatment ++ Optimal nutrition—diet rich in fruit and vegetables Tretinoin (Retin-A) cream: apply once daily at bedtime (on dry skin): test for skin irritation by gradual exposure (e.g. 5 mins at first, wash off, then 15 mins until it can be left overnight) Alpha hydroxy acid preparations (e.g. Elucent cream) Injectable treatments such as botulinum toxin and fillers Laser treatments Your Access profile is currently affiliated with [InstitutionA] and is in the process of switching affiliations to [InstitutionB]. Please select how you would like to proceed. Keep the current affiliation with [InstitutionA] and continue with the Access profile sign in process Switch affiliation to [InstitutionB] and continue with the Access profile sign in process Get Free Access Through Your Institution Learn how to see if your library subscribes to McGraw Hill Medical products. Subscribe: Institutional or Individual Sign In Error: Incorrect UserName or Password Username Error: Please enter User Name Password Error: Please enter Password Sign in Forgot Password? Forgot Username? Download the Access App: iOS | Android Sign in via OpenAthens Sign in via Shibboleth You already have access! Please proceed to your institution's subscription. Create a free profile for additional features.