@donasmrs-- Tea tree oil can be irritating and some people are allergic to it. So it's a good idea to test some on the arm first.
I once made the mistake of using pure tea tree oil on my genital area for a candida infection. Boy, did it burn! I almost went to the hospital because of it.
A few days later, I tried tea tree oil again, but this time I diluted it with sweet almond oil and this worked perfect. It did not burn or irritate my skin. I was skill careful to avoid sensitive areas though.