Considering what you describe, it seems that your scalp may be going towards a dandruff problem. Dandruff scalp can only have 3 types of oils put on it- MCT, Mineral Oil or Squalane! Other oils will feed the yeast and aggravate dandruff. We'd recommend you to try switching out the oil in Shampoo A for one of these, you may find it helps your symptoms! You can also reduce the quantity of oil all together, it may help with the greasiness problem.