Please choose the correct ending to complete the given sentence: Youth: [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.

Ending1: [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. Ending2: [substeps] In order to perform a weekly cleansing of your skin, you'll need to wash it twice a day and twice a week (once in the morning and once in the evening) twice a week. At night, you might wash your skin and exfoliate once or twice a week. Ending3: [substeps] You could use your fingertips to gently massage your skin-saturated or cleansy fingertips. Use a washcloth or baby oil on your face twice a day. Ending4: [title] Create an acne treatment with a month or two of reward. [step] When you're trying to prevent acne you can tighten your pores by promising yourself that every five weeks your acne will disappear by the next week.

Answer format: ending1/ending2/ending3/ending4