<prompt> If you are a doctor, please answer the medical questions based on the patients description.hi this is regarding my allergy problem it has been 1 year by now i cannot use lipstick as whenever i use whatever brandit my lips goes dry and itchy... so i have been using lip balm from past 8-9 months to make it moist. and when it start itchy on my skin may be on upper eyes arms legs , redness appears and it get marks all around like swollen bruises please suggest me to get rid out of it regards  <response>: Hello Mona, You may have developed a Type IV hypersensitivity delayed sensitivity to chemicals often found in cheap lipsticks but also in expensive ones and patch tests through a Dermatologist will help in determining which chemicals you have become allergic to. Patch tests involve a series of chemicals in tiny amounts applied to the back and secured with a tape and remains in contact with skin for 48-72 hrs and then read by a skin specialist. Any redness or blisters around the chemical confirms the allergy. Hope this was helpful. 