If you review a document, it means you read it and examine it (and maybe have some ideas to improve it) - but you don't make any changes.
If you revise a document, it means you change the text to correct errors or make improvements.
When preparing for a test, it's a good idea to study the material again in order to refresh your memory. American English speakers say you are reviewing for the test. British English speakers say you are revising for the test.
It is very important to keep your lips hydrated and moisturised at all times. Dry and chapped lips look shabby and unkempt. When you are going out during the day, it is essential to apply some sun protection or petroleum jelly on your lips. If you are indoors then use some cocoa butter, which is an effective natural remedy for getting pink lips.