To make a volumizing hair powder, you will need a few key ingredients that work together to add volume and texture to your hair. Here's a simple recipe you can try:

Ingredients:
- 2 tablespoons arrowroot powder or cornstarch
- 1 tablespoon rice flour or oat flour
- 1 tablespoon baking soda
- 1-2 drops essential oil (optional, for fragrance)

Instructions:
1. In a small bowl, combine the arrowroot powder or cornstarch, rice flour or oat flour, and baking soda. Mix well to ensure even distribution of the ingredients.
2. If desired, add a few drops of your preferred essential oil for a pleasant fragrance. You can choose oils like lavender, rosemary, or peppermint, which also have beneficial properties for the hair.
3. Stir the mixture thoroughly to combine all the ingredients evenly.
4. Transfer the mixture to a clean, airtight container, such as a small jar or an empty salt shaker.
5. To use the volumizing hair powder, simply sprinkle a small amount onto your roots or areas where you want to add volume. Gently massage it into your scalp and distribute it through your hair using your fingers or a brush.
6. Style your hair as desired, and enjoy the added volume and texture!

Note: This homemade hair powder is suitable for most hair types. However, if you have sensitive skin or scalp, it's always a good idea to do a patch test before applying it all over your hair. Additionally, if you experience any irritation or discomfort, discontinue use immediately.