[header] How to treat acne (teenage girls ) [title] Cleanse your skin regularly. [step] It's important to wash your skin regularly to remove excess dirt and oil so that they don't clog your pores. Regular, gentle cleansing can also help treat and prevent acne. 
[substeps] Use a gentle cleanser with a neutral ph, such as cetaphil, aveeno, eucerin, and neutrogena. Most grocery stores and pharmacies carry skin cleansing products that won't irritate your skin.