with fresh water and sometimes by mild cleansers like Cetaphil ; throughout the day. You can also use mild astringents which can be used to remove the root cause of excessive oil production on our face
. They are effective and skin friendly. Avoid using alcohol-based astringents, which can cause enough dryness to your looks hence it will stimulate more growth of sebum.
Also avoid oil based cosmetics and make up and heavy moisturizers.
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.