If your hat is too small for your head, try stretching it out by spraying the inner portion with warm water and then squeezing it onto your head. Allow the hat to dry and it will form around the shape of your head and fit better!
Make sure that your tights have a high rise so they're sitting about where your natural waist is, always. Also, invest in high-quality tights to prevent them from rolling.
Use witch hazel afterward to help alleviate the burning sensation. Next time you shave, mix the olive oil with another oil to tone it down in case you are allergic...