Sticky Granules in Soap After Adding Fragrance with "Sugar Fix"

Asked by: vjinda On: August 24, 2019 Product Type: Cosmetics

Question

I am making soap by mixing "sugar fix" at 2% with Fragrance, and then adding this mixture at 1% to the soap base. I found that after leaving the soap for a while, sticky granules appeared around the soap, as shown in the picture. I would like to ask what caused this problem. Thank you.

Answer

Based on your description, the sticky granules appearing in your soap are likely due to an incompatibility or solubility issue with the ingredient you referred to as "sugar fix" when mixed with the fragrance and then incorporated into the soap base.

Here's a breakdown of potential reasons:

  • Incompatibility: Soap bases are primarily water-based systems. Fragrances are typically oil-based or contain solvents like alcohol. When you mix "sugar fix" into the fragrance and then add this oil/alcohol mixture to the water-based soap, ingredients that are not compatible with the water phase can separate out.
  • Solubility: The "sugar fix" ingredient might not be fully soluble in the fragrance, the soap base, or the final mixture. If it doesn't dissolve properly, it can remain as solid particles or precipitate out over time, forming the granules you observed.
  • Nature of "Sugar Fix": Without knowing the exact chemical composition of "sugar fix," it's difficult to pinpoint the exact issue. If "sugar fix" is a solid ingredient or a highly viscous substance that doesn't disperse well, or if it's hygroscopic (attracts moisture), it could lead to the formation of sticky granules, especially in a humid environment or over time as the soap dries slightly.
  • Concentration: While 1% of the mixture (containing 2% "sugar fix") results in a low final concentration of "sugar fix" in the soap (0.02%), even small amounts of incompatible or insoluble ingredients can cause visible issues in formulations.

To prevent this, you would need to ensure that all ingredients, including "sugar fix" and the fragrance, are compatible with your specific soap base and are properly incorporated. This might involve trying a different form of the ingredient, adjusting the concentration, or using a solubilizer or emulsifier if necessary, although adding emulsifiers to soap bases can be complex.

Since I could not definitively identify the specific product "sugar fix" from the available database, I cannot provide more detailed information about its properties or specific usage recommendations. The exact cause depends heavily on the specific ingredient you used and the composition of your soap base.