Avoid using any lotions and creams over the face for the meantime. Wash your face with a mild cleanser with moisturizing properties like Cetaphil. Pat your face dry. Then apply a good hypoallergenic moisturizer over the area and see if this improves. For the blackheads, Cleanse the area thoroughly and apply a good mild exfoliating scrub on that. Apply a medicated cream or gel containing resorcinol, salicylic acid or benzoyl peroxide under a dermatologist’s guidance.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.