To treat facial eczema, the best treatment is to keep your face moisturised as much as possible.
cleansing lotion to wash your face and moisturise your face twice or thrice in a day with cetaphil moisturising lotion. Steroid
use should be kept to minimal and should be used only during flare ups. Use very mild steroid like eumosone. Sometimes to prevent steroid side effects, we also prescribe tacrolimus or crolim as its substitute.
As far as facial eczema is concerned it could be atopic eczema
or seborrheic dermatitis, contact dermatitis
or photo dermatitis. Barring atopic eczema, the other three are preventable. So it is essential to know, what is the underlying cause of eczema.
Hope that answers your query. Take care.