Please choose the correct ending to complete the given sentence: Health: [header] How to create air freshener inside a toilet paper roll [title] Select an oil scent that is pleasing and not overpowering. [step] Since the bathroom is (most likely) one of the smaller rooms in your home, you want an oil scent that is calming and soothing. Avoid overly pungent or powerful oils, which may still mask any odor but may be unpleasant to some.

Ending1: [substeps] Isopropyl alcohol, xylitol, or cedarwood oil are popular types of oil scents. They can be applied for the bathroom as a bath or, for a deep-bath, as bubble bath. Ending2: [title] Consider choosing more than one oil scent. [step] You don't have to be limited to only one essential oil. Ending3: Keep in mind that air fresheners often have allergens in their secretions that can cause unpleasant odors. Experiment with different oils to find which one works best for you. Ending4: [title] Select a few strands of essential oils. [step] Choose a scented oil with rosemary, lemongrass, or thyme, as these scents will mimic the scents of nature and earth.

Answer format: ending1/ending2/ending3/ending4