If you can’t currently wear a face covering without experiencing anxiety, CBT therapy is a great approach to help you change this. It helps you to understand your feelings and thoughts around it and behaviourally to practice gentle exposure to the masks.
In England, NHS IAPT services will offer help for phobias, including any phobias related to the Coronavirus and Covid-19. If you are interested in private therapy or therapy via your medical insurer (e.g. AXA, AVIVA) I can be contacted via my referral form on the contact page