Can I use Aziderm 20% gel and Retin A together?

Hi, It would have been great if you have mentioned for what reason you are using these creams. Anyways, Using aziderm and retinA together is not a good decision as the skin may feel more irritated. You can use aziderm 10% in the morning and retinA 0.025% in the night depending upon your condition. Kindly meet a board certified expert. 

Thank you for your question. Yes the two topicals can be used on the face, but I do not recommend applying them together at the same time because both topicals can cause dryness, redness, irritation, peeling, etc. In my experience, applying azelaic acid 20% gel in the morning, and applying Retin-A at night has been effective and also tolerable. I highly recommend you consult with a board certified dermatologist regarding any further questions regarding your skin and treatment. Take care and good luck.