Iam 48 years old. In my face cheek is itching at that time cheek is red, burning sensation .my skin is dry skin. And also i cant clean bathroom using clorex or any acid. If i cleaning i feel burning sensation in my face.. i using sun cream daily lake me sun expert spf 50 . And look brite cream for melasma for last 5years. Now i feel red cheeks and burning sensation. What is the problem mam . (Dctr pls suggest gud medicine for melsma.)