hi mpho,
Allergic rash on your face might be due to-
i) Hair dye
ii) Sun exposure or
iii) Any cosmetic
Whatever the cause, You could take an antihistamin tablet e.g.
ATARAX 25mg twice/thrice daily if ALLEGEX is like that you can continue
but before that u must avoid apply culprit agents.
Regards,
Dr. M M Mahmud