| What is it? |
Soybean oil (or soya bean oil) is a liquid carrier oil pressed from the seed of the soy plant. It is comprised mostly of linoleic and oleic acids. |
| INCI |
Glycine Soja Oil |
| Appearance |
Clear yellow liquid |
| Usage rate |
Up to 100% |
| Texture |
Smooth oil |
| Scent |
Typical of carrier oils |
| Absorbency Speed |
Average |
| Approximate Melting Point |
-20°C (-4°F) |
| Solubility |
Oil |
| Why do we use it in formulations? |
Soybean oil is a very versatile and inexpensive carrier oil. I like using it in soap, but it also works well in body butters, lotions, lip balms, massage oils, and pretty much anything else you can imagine. |
| Do you need it? |
No. |
| Refined or unrefined? |
I’ve only used refined and I like it. |
| Strengths |
Inexpensive, versatile carrier oil. |
| Weaknesses |
Depending on your audience soy may not have the best reputation. |
| Alternatives & Substitutions |
I’d choose olive oil or rice bran oil in soap. In skin care, sweet almond oil or apricot kernel oil would work well. |
| How to Work with It |
Include soybean oil in the oil phase of your formulations. It can be hot or cold processed. |
| Storage & Shelf Life |
Stored somewhere cool, dark, and dry, soybean oil should last at least two years. |
| Tips, Tricks, and Quirks |
Soybean oil can contain up to 3% soy lecithin. |
| Recommended starter amount |
1L (33.8fl oz) for soap making. 100mL (3.3fl oz) for skin care. |
| Where to Buy it |
Buy it from an online DIY ingredient supplier or Amazon. |
Soybean oil
Originally published on March 29, 2019