Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to detangle hair extensions [title] Wet the extensions. [step] If you try to detangle your extensions while they're dry, you may cause breakage and shedding. Wash the extensions with water and your usual shampoo, rinsing well to ensure that there are no suds left behind.

Ending1: [substeps] If your extensions are not heated to the point of " liquid ", gently rinse them with lukewarm water and air or air-dry them with a towel. [title] Apply a semi-static wax mask to the extension to prevent it from dripping. Ending2: If your extensions are very tangle-free, run some conditioner through them before you start to detangle them. [substeps] If you're using two separate hair products, make sure the ingredients don't separate. Ending3: Do not use any moisturizing shampoo after the shower, though. [title] Roll your extensions back into their original shape. Ending4: [substeps] For extensions made of natural hair, use an alcohol-free, sulfate-free shampoo formulated for color-treated hair. For synthetic hair extensions, use a mild shampoo or one formulated for synthetic hair.

Answer format: ending1/ending2/ending3/ending4