Dry patches at the corner of the mouth.

The patches are around 1cm in size on both corners of my mouth the skin was peeling there this is since last 4-5 days have tried applying boroline as I thought it was dry so the skin is peeling it had got red and was burning a lot I have had a history of b12, d3 and iron deficiency and I also use to get seizures , my skin is combination type and is moderately sensitive I have been using biotique honey gel facial cleanser , Himalaya cucumber toner , everyuth cucumber face pack (it's clay mask) , patanjali aloe Vera gel , vicco turmeric wso cream , when I got these patches they were quite red and had burning sensation I had applied kailash Jeevan on it but didn't help so applied boroline but still now affect, also I am unmarried and not pregnant, I have not got my periods since last 6-7 days don't know if it's because of skin condition or hormonal imbalance or reaction to any products I have been using all of these before as well and it never reacted or its because of vitamin deficiency.