Please choose the correct ending to complete the given sentence: Youth: [header] How to get rid of cystic acne scars [title] Research and take precautions with home remedies. [step] There are a lot of home remedies that can reduce the look of your cystic acne scars. But, just because something claims to be natural doesn't mean it's safe.

Ending1: Always consult your doctor before using certain home remedies. [substeps] Some home remedies have prescriptions you can take, such as scar remover and treloclozole (topical form of detoxification) that are injected into your skin and mask the scar. Ending2: You may have to see a doctor or a dermatologist to get a recommendation. If the treatment doesn't work, you may need to attempt alternative treatments that don't have the same effects. Ending3: Read up on the ingredients involved in remedies and avoid ingredients that you're sensitive or allergic to. [substeps] If you're thinking about buying an over-the-counter home treatment for scar removal, research the product first. Ending4: Medical research is still ongoing, and there are some that suggest certain home remedies may help fix your cystic acne scars. Some common home remedies include : [substeps] The youmango herb.

Answer format: ending1/ending2/ending3/ending4