A combination of nicotinamide (750 mg), zinc oxide (25 mg), and folic acid (500 µg) is approved for the treatment of acne vulgaris (and rosacea). Both nicotinamide and zinc oxide have anti ...

Acne is a chronic disease ofthe pilosebaceous follicle that affects mainly adolescents. It causes polymorph cutaneous lesions that may leave scars after regression. It is characterized by ...