Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use aloe vera for acne [title] Get aloe vera. [step] You can either buy an aloe vera plant or you can buy pre-made aloe vera gel. An aloe vera plant should be available at your local plant store and pre-made aloe vera gel is available at most pharmacies and grocery stores.

Ending1: [substeps] Do not use aloe vera gel directly on your face or you could cause the reaction to worsen or crop. The gel should be moisturized before being applied to the face. Ending2: [substeps] To extract the gel from the leaf you will need to cut a good sized leaf from the aloe vera plant. It should be about 5-6 inches long. Ending3: [substeps] Make sure to apply aloe vera gel at least one day before you want to apply the acne treatment. [title] Place the aloe vera gel under running water. Ending4: You should always wear gloves and protective clothing when applying aloe vera gel to your face and neck. [substeps] You can purchase aloe vera gel online or at a local pharmacy.

Answer format: ending1/ending2/ending3/ending4