acne pimple on caucasian skin beginning to scab and heal over.

abstract acne acnes background bite cancer cancerous lump care caucasian close color condition crust cyst dermatology detail disease follicles frame full growth hair healing health horizontal hurt hurting illness image immune infection inflammation injury macro medical nodule pain painful papules photography pimple pores propionibacterium puberty pus redness reaction scab scar scarring science skin sore surface swelling system texture textured treatment white whitehead zit