How to make homemade milk soap

While you can purchase soap in just about any store, making your own is something you might be considering. Not only is it fun, but you are also more in control of the ingredients that go into the final product. There is always a sense of accomplishment that comes with holding something in your hands that you have created yourself.

How to make homemade milk soap

Milk soap has been a popular beauty product for centuries. Not only is it gentle and nourishing for the skin, but it is also relatively easy to make at home. In this article, we will explore the steps and ingredients needed to make your own homemade milk soap.

What is Milk Soap?

Milk soap is a type of soap that is made using milk as one of the main ingredients. It is known for its gentle and moisturizing properties, making it a popular choice for those with sensitive or dry skin. Milk soap can be made using a variety of milk, including cow’s milk, goat’s milk, and even coconut milk.

Why Make Homemade Milk Soap?

There are several reasons why you might want to make your own homemade milk soap. Firstly, making your own soap allows you to control the ingredients and ensure that you are using only the best quality and organic products. Secondly, homemade milk soap is often much more affordable than commercially available milk soap, and thirdly, it is a fun and creative project to undertake.

Ingredients Needed to Make Homemade Milk Soap

Before you begin making your own milk soap, you will need to gather the following ingredients:

  • Milk of your choice (cow’s milk, goat’s milk, coconut milk, etc.)
  • Lye (sodium hydroxide)
  • Oils of your choice (olive oil, coconut oil, castor oil, etc.)
  • Essential oils for fragrance (optional)

It is important to note that lye is a caustic substance and must be handled with care. Always wear gloves and safety goggles when working with lye.

The Soap Making Process

The process of making milk soap is relatively simple, but it does require some patience and attention to detail. Here are the steps to follow:

  1. Heat the milk: Heat the milk in a double boiler until it reaches a temperature of 80-90°F.
  2. Combine the lye and water: While the milk is heating, combine the lye and water in a separate container. The water should be slightly cooler than the milk.
  3. Combine the lye solution and milk: Slowly pour the lye solution into the heated milk, stirring continuously. The mixture will begin to thicken and become opaque.
  4. Add the oils: Once the lye and milk mixture has cooled, add your chosen oils and any essential oils for fragrance. Stir the mixture well.
  5. Pour into mold: Pour the soap mixture into a mold and allow it to set for 24-48 hours.
  6. Cut the soap: Once the soap has been set, remove it from the mold and cut it into bars.
  7. Cure the soap: Allow the soap bars to cure for 4-6 weeks before using. This allows the soap to harden and become milder.

Tips for Successful Milk Soap Making

  • Always measure your ingredients precisely. Soap-making is a science, and precise measurements are essential for success.
  • Use a thermometer to ensure that the milk and lye solution is at the correct temperature.
  • Stir continuously when adding the lye solution to the milk to avoid scorching.
  • Allow the soap to cure for the full 4-6 weeks for best results.

Frequently Asked Questions

What type of milk is best for making soap?

The type of milk you use for soap making is largely a matter of personal preference. Cow’s milk and goat’s milk are both popular choices, but coconut milk is also a good option. Choose milk that you know agrees with your skin and that you enjoy the scent of.

Can I use any type of oil to make milk soap?

Yes, you can use a variety of oils when making milk soap. Olive oil, coconut oil, and castor oil are all popular choices, but you can also experiment with other oils to find what works best for you. Keep in mind that the properties of the oil will affect the properties of the soap, so choose oils that are good for your skin type.

Is lye safe to use for soap making?

Lye is a caustic substance and must be handled with care, but it is safe to use in soap making when used correctly. Always wear gloves and safety goggles when working with lye and be sure to follow the safety precautions outlined in this article.

How long does it take to make milk soap?

The actual process of making milk soap takes only a few hours, but the soap must then cure for 4-6 weeks before it can be used. Plan accordingly and allow enough time for the soap to cure before using it.

How long does homemade milk soap last?

Homemade milk soap will last for several months, but the exact lifespan will depend on several factors, including the type of oils used and how the soap is stored. To extend the lifespan of your soap, store it in a cool, dry place and keep it away from direct sunlight.

Is it possible to make milk soap without using lye?

No, it is not possible to make soap without using lye. Lye is an essential component of soap and is required to react with the oils to create soap.

Can I add other ingredients to my milk soap?

Yes, you can add other ingredients to your milk soap, such as herbs, clays, and essential oils. Experiment with different ingredients to find what works best for you.


Making your own homemade milk soap is a fun and creative project that can save you money and provide you with a gentle and nourishing beauty product. Follow the steps outlined in this article and don’t be afraid to experiment with different oils

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