so its just a redness that you have without any facial bumps or pimples,do you have any red lines on face and does your face feels like burning sensations..if yea it might rosea.. you may consult a dermatologist and get some topical gels containing metronidazole, clindamycin or oral antibiotics. don't hesitate to consult a dermatologist cause if its a rosea you might get other complications from it too.. so ask mom for your appointments to dermatologist..