your first approach is to exclude any underlying medical issues such as hormonal or gastrointestinal issues that may be affecting your overall health. your next step is to visit your dermatologist or an allergist that is familiar with skin-patch testing. during skin-patch testing your doctor assesses the skin as it is exposed to various potential allergens and monitors your skin's response.
at 21 i'm still having breakouts. what can i do to heal them?