Please choose the correct ending to complete the given sentence: Youth: [header] How to get rid of self harm scars [title] Try a silicon gel sheet. [step] A silicon gel sheet is an adhesive patch that is applied to the scarred area. These can be used to reduce the appearance of scars within 2-4 months.

Ending1: [substeps] Be aware that silicon gel sheets are not very effective in treating self-harm scars on the body. There is no scientific evidence that it works as well as it needs to. Ending2: Wear a silicon gel sheet on your scarred area for at least 12 hours every day for 2-4 months. [substeps] Studies show that silicon gel sheets can also help flatten scars. Ending3: These kits usually require that you wash the entire area with soap and water, a towel, cotton ball and some warm water. Get 7-10 sheets of silicon gel sheets and not more. Ending4: The chemical solution to these products is a squirt and you apply it to the scarred area on a daily basis. To apply the gel, follow the directions on the packaging.

Answer format: ending1/ending2/ending3/ending4