Tea tree oil is distilled from the leaves of the Melaleuca alternifolia tree native to Australia. Properly extracting essential oil from plants requires a process called steam distillation, which involves specialized equipment and can be a bit complex. However, you can make a simplified "infusion" at home that can still provide some of the benefits of tea tree oil.

Here's a simple method for making tea tree oil infusion at home:

Materials:

• Tea tree leaves
• A carrier oil (like olive oil, almond oil, or coconut oil)
• A glass jar with lid
• A fine strainer or cheesecloth
• A dark glass bottle for storage

Steps:

1. Collect a good amount of fresh tea tree leaves. Remember, it's crucial to ensure that you have the correct species of tea tree plant (Melaleuca alternifolia), as not all plants named "tea tree" are the same.
2. Rinse the leaves thoroughly to remove any dirt or insects.
3. Pat the leaves dry with a towel and let them fully dry out for a few hours in a sunny spot or overnight in a well-ventilated area.
4. Once the leaves are completely dry, crush them slightly to release the natural oils.
5. Place the crushed leaves into your glass jar. Fill up to half or three-quarters of the jar with leaves.
6. Pour your carrier oil over the leaves in the jar, making sure all the leaves are completely submerged.
7. Seal the jar tightly and place it in a sunny spot for a couple of weeks. Shake it gently every day or two.
8. After two weeks, strain the oil through a fine strainer or cheesecloth into a dark glass bottle to remove the leaves. Make sure to squeeze out as much oil as possible from the leaves.
9. Store the infused oil in a cool, dark place when not in use.

Remember, this homemade infusion will not be as potent or have the same properties as commercially distilled tea tree essential oil. It's also important to patch test the oil on a small area of skin before widespread use to ensure you do not have an allergic reaction.

Lastly, it's important to note that not everyone has access to fresh tea tree leaves, as the plant is native to Australia and not easily cultivated in many climates. Commercially produced tea tree essential oil might be a more practical option for most people.