Local soap can be made by mixing..................

any vegetable oil (such as coconut, palm, or olive oil) with sodium hydroxide (also known as lye) and water. Optional ingredients, such as essential oils, herbs, and natural coloring agents, can also be added to customize the soap.

Local soap can be made by following these steps:

1. Gather the ingredients:
- 500 grams of vegetable oil (such as coconut oil or olive oil)
- 70 grams of sodium hydroxide (also known as lye)
- 150 milliliters of water
- Optional additives like essential oils, herbs, or colorants

2. Prepare your workspace:
- Make sure to work in a well-ventilated area.
- Put on safety gear including goggles, gloves, and an apron.
- Cover your workspace with newspaper or plastic to protect it from any spills.

3. Dissolve the sodium hydroxide:
- In a heat-resistant container, carefully add the sodium hydroxide to the water.
- Stir until the sodium hydroxide is completely dissolved.
- Be cautious as this mixture can get very hot and fumes can be harmful, so work in a well-ventilated area.

4. Heat the vegetable oil:
- In a separate container, heat the vegetable oil on low heat until it reaches around 38-43 degrees Celsius (100-110 degrees Fahrenheit).
- Avoid overheating the oil, as very high temperatures can affect the soap-making process.

5. Combine the sodium hydroxide solution and vegetable oil:
- Slowly pour the sodium hydroxide solution into the heated vegetable oil.
- Stir continuously using a hand whisk or a hand blender until the mixture thickens and reaches a "trace" stage.
- The "trace" stage is when the mixture is thick enough that a small amount leaves a visible trace on the surface before sinking back in.

6. Add any optional additives:
- If desired, add essential oils, herbs, or colorants to the mixture.
- Stir well to distribute the additives evenly throughout the soap mixture.

7. Pour the soap into molds:
- Prepare your soap molds by greasing them lightly or lining them with parchment paper.
- Carefully pour the soap mixture into the molds.
- Tap the molds gently on a countertop to remove any air bubbles.

8. Allow the soap to set:
- Let the soap sit in the molds undisturbed for about 24 hours to allow it to harden.
- The soap will go through a process called saponification, where the oils and lye react to create soap.

9. Unmold and cure the soap:
- After 24 hours, gently remove the soap from the molds.
- Place the soap bars on a drying rack or tray.
- Allow the soap to cure for at least four to six weeks, turning the bars occasionally to ensure even drying.

10. Enjoy your homemade soap:
- Once the curing process is complete, your local soap is ready to be used or gifted.
- Store the soap in a cool, dry place to prolong its shelf life.

Note: Making soap can be dangerous due to the use of lye. It's crucial to follow safety precautions, work in a well-ventilated area, and protect yourself with gloves, goggles, and an apron.