Or course it is. And you have to use one.Hyaluronic acid is not comedogenic. Make sure that the other ingredients are also not comedogenic (no silicone, no comedogenic oil, no mineral oil etc.). Glossier super pure serum is a good hydrator. ( or the ordinary ha and niacinamide+zinc). The good thing withserums is that you can't be afraidit gives you blocked pores. If your skin is still itchy, maybe you will need something heavier on top like a light cream. Ren clearcalm gel cream is good. It depends on how your skin is feeling!

Hope this helps. Tell me if it works