Please choose the correct ending to complete the given sentence: Health: [header] How to reduce acne using a tea tree face mask [title] Combine 1 teaspoon of raw, organic honey and 1-2 drops of tea tree oil in a bowl. [step] Put the honey in a clean bowl. Then, carefully pour the tea tree oil into the honey.

Ending1: You may be using more than one tea tree oil. [substeps] If you are using the same amount of honey, one teaspoon is sufficient. Ending2: [substeps] It's best to use half tea tree oil for at least one week and once a week it should be reduced by 20 to 25 %. Do not use tea tree oil using the daily lotion, blush, or face powder. Ending3: Use a small spoon to mix the ingredients together. [substeps] If the honey is very thick, you can warm it up over the stove to make it a bit softer, but don't allow the honey to get too hot or you may end up destroying its antibacterial properties. Ending4: For detailed instructions, check the instructions for further instructions. Do not forget to mix and match the honey.

Answer format: ending1/ending2/ending3/ending4