La cold saponification is a traditional, artisanal method of making soap which is becoming increasingly popular because of its respect for the environment and its many benefits for the health of the population. skin. This process preserves the moisturising qualities of vegetable oils used, resulting in a final product that is rich in glycerine and nourishing properties.
In this detailed guide, discover how to make your own superfatted soaps and master the key stages of this precious technique.
What is cold saponification?
La cold saponification is a chemical process in which the vegetable oils react with soda to create soap and glycerine.
Unlike other methods where heat is applied, this one takes place at room temperature. This low temperature maintains the beneficial properties of the oils, such as hydration and the ability to nourish the skin. skin.
In addition, this method generates a " surgras "An excess of unsaponified oil remains in the soap, increasing its moisturising effect.
Necessary ingredients and their roles
To make a soap via the cold saponificationyou will need the following items:
- Vegetable oils They are chosen according to the desired properties (olive for hydration, coconut for foam...).
- Soda Sodium hydroxide, which must be handled with care.
- Water It dissolves the soda before it reacts with the oils.
- Fragrances or essential oils: personalise the scent of your soap.
- Natural dyes: if desired, to add a visual touch.
Each ingredient has a specific role and their judicious combination will influence the final qualities of the product.
The step-by-step process
Here is an outline of the saponification process:
- Dissolution of soda in water (exothermic reaction).
- Mix of vegetable oils.
- The soda solution is combined with the oils and mixed to a consistency called "trace".
- Add fragrances, colourings or extras.
- Pour into moulds.
- Cure the soap for several weeks.
This process requires precision in the measurements and patience during the cure to obtain a top quality soap.
Advantages of cold saponification
The advantages associated with this practice are manifold, reflecting the attention to detail during its production:
- Hydration increased: thanks to the surgras and glycerine naturally formed.
- Total personalisation: choice of oils, fragrances, colours and textures.
- Environmentally-friendly: no need for heating or toxic substances.
The authentic experience craft makes each bar unique and beneficial to the skin.
Tips for getting started
For those interested in creating their own soap here are a few tips:
- Always wear personal protective equipment when handling the product. soda.
- Start with simple recipes and gradually increase the complexity.
- Carry out tests on soda reduction to adjust the level of surgras.
- Use suitable moulds and practice patience during the cure period.
These recommendations ensure a safe and rewarding experience for any novice wishing to learn the art of saponification.