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Cold Process Soap Explained

Cold-Processed Soap: Discover the Secrets of Traditional Care!


Have you ever wondered how those beautiful handmade soaps that gently care for your skin are made? Today, we're taking you on a fascinating journey into the world of cold-processed soap – a method that creates nourishing and unique soap bars from natural ingredients. The production of cold-processed soap is a true art that combines precision and passion. Let's take a closer look at each step to understand what makes these soaps so special.

Infographic illustrating the seven steps of the cold process soap-making method, from mixing lye and base oils to curing, drying, and packaging.

Step 1: The Lye – The Heart of the Soap It all begins with sodium hydroxide (NaOH), commonly known as lye. In combination with fats, it triggers the saponification process. Lye must be handled with respect, but it's the key to making real soap. We use it with the utmost care.

Step 2: Base Oils – The Foundation of Care We add carefully selected vegetable oils to the lye. They form the basis of our soap and determine its nourishing properties. Olive oil, coconut oil, rapeseed oil, or shea butter are particularly popular. Each of these oils brings something special: olive oil provides moisture, coconut oil creates a wonderful lather, and shea butter nourishes intensely.

Step 3: Stirring and "Trace" – The Magic of Saponification Now comes the most important moment: stirring. The lye solution and base oils are mixed together until the so-called "trace" is reached – a point where the mixture thickens and becomes pudding-like. This is when the actual saponification process begins!

Step 4: Superfatting Oils and Essential Oils – Care and Fragrance for Skin and Senses Once the mixture has reached "trace," it's the perfect time to add superfatting oils. These oils do not saponify but remain in the soap to provide extra intense nourishment for the skin. Macadamia oil, almond oil, apricot kernel oil, or hemp oil are often used. Now the fragrance comes into play! We add essential oils, which not only give the soap a wonderful scent but can also support its effects – e.g., lavender for relaxation, geranium for calming, ylang-ylang for the senses, or patchouli for depth. Important: The temperature of the mixture should be around 30°C – this is crucial to preserve the valuable ingredients.

Step 5: Preparing and Pouring Molds – The Soap Takes Its Shape The finished soap mixture is carefully poured into prepared molds. If necessary, the molds are lined with paper beforehand to make it easier to remove the soap later.

Step 6: Resting Phase – Patience Pays Off After pouring, the resting phase begins. The soap stays in the mold for about 24 hours. During this time, it hardens, and the saponification process stabilizes. After one day, the soap can be removed and cut into pieces.

Step 7: Curing (Drying Time) – The Secret to Mildness and Durability The cut soap pieces are stored for curing – a crucial step that takes 4 to 8 weeks! During this time, the soap dries, becomes harder, and loses excess water. Most importantly, curing ensures that the sodium hydroxide has fully reacted, making the soap mild, gentle, and skin-friendly. The longer the curing time, the milder and more durable the soap bar.

Step 8: Packaging – Ready for Use! After the curing is complete, the soaps are ready for labeling and packaging. This is how a very special, handmade soap bar is created from a few simple ingredients – a true pleasure for our skin.

Natural Beauty in Your Hands


Making your own soap using the cold process method is a journey into the world of natural care. Discover the joy of DIY and enjoy products that truly pamper your skin. You know exactly what's in it – and every bar of soap becomes a small work of art that you've created yourself.