3-Ingredient DIY Non-Toxic Hand Soap

3-Ingredient DIY Non-Toxic Hand Soap

Ever since the COVID-19 pandemic, people have upgraded their hand soap game. There are so many soaps on the markets, and the truth is that many of them are filled with harmful chemicals that are difficult to pronounce. Are there non-toxic hand soaps in stores? Some brands use reputable ingredients, but they may also use fragrances or other substances that can disrupt the skin barrier. 

Unlike making body butters, lip balms, or bath bombs, making your own non-toxic soap is a very simple process. When you go to purchase ingredients for the soap, you will also need to acquire a soap dispenser. You can either purchase a foaming soap dispenser, or any old hand soap dispenser. If your old hand soap is running out, give it a good rinse, let it dry, and use that for this DIY hand soap

Castile Soap

Is castile strong enough to kill germs? The short answer is: no, but it is still effective. Rather than killing bacteria, castile soap, which is a surfactant, removes germs and bacteria (like dirt and grease) with the aid of running water. That makes castile soap an excellent ingredient for cleaning your hands. Liquid castile soap, such as Dr. Bronner’s, is free of synthetic ingredients or foaming agents. It is a blend of ethically sourced carrier oils and aromatic essential oils.

Dermatologists like to say that castile soap speaks the language of the skin. That means that it incorporates three essential moisturizing components: humectants, emollients, and occlusives, all of which benefit the skin. 


Humectants are substances that attract water from the air or from deeper layers of the skin. Coming in naturally derived, unchanged, or synthetic forms, humectants bind with water and break down dead skin cells. They typically break down those skin cells first, making it so your pores remain unclogged. Once humectants loosen dead skin cells, they draw moisture from the air or deeper layers of the skin. 


Emollients are ingredients in skin care products that help to relieve dryness or skin irritation. Skin care experts refer to emollients as skin barrier creams because they help form a protective film on the skin’s outer. Dermatologists usually recommend emollients for skin conditions that cause dryness, for example, eczema and psoriasis. Emollients attract moisture to the skin, help prevent moisture loss in the skin, and work to soften peeling or scaling skin. An emollient differs from a moisturizer because it works to soften the skin, whereas a moisturizer contains other ingredients that bring water into the skin.


Occlusives are moisturizing agents that help form a protective barrier on the skin’s surface. Typically, they are waxy or oily and almost act like plastic wrap for the skin. What we mean by this is that plastic wrap forms a barrier between food and the outside environment. Similarly, occlusives aim to prevent harmful pathogens or particles from entering the skin, while keeping the skin moist at the same time. They help protect against dehydration, infection, and environmental damage, making them a great addition to any skin care regimen. 

DIY Non-Toxic Hand Soap


  • 3/4 cup filtered water
  • 1/4 cup liquid castile soap
  • 20 drops lemon essential oil
  • Soap dispenser


  • Pour the water into the soap dispenser, followed by the liquid castile soap. 
  • Add 20 drops of lemon essential oil, which works to remove odors and provides a refreshing aroma. 
  • Screw the top on the soap dispenser, shake well, and use when ready.

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