I'm sure you're not ugly because you have skin and hair problems right now.
A good home remedy for dandruff depends on what kind of dandruff you are dealing with. If you have dry, flaky dandruff you should massage your scalp and hair with warm olive oil. Just let a small amount soak into your scalp for about 30 minutes then shampoo your hair, do this several times a week.
For oily dandruff you can shampoo your hair and rinse then apply a mixute of 50% apple cider vinegar and 50% warm water. Again, do this several times a week.
There are many home remedies for acne, like dabbing apple cider vinegar on the acne, or try lemon juice. You can find many different remedies for acne if you go to the button on the left that reads "Home Remedies" then look for the link to Acne Home Remedies.