ClearClean Thickener Loses Viscosity After Storage
คำถาม
Regarding ClearClean (thickener for shampoo), when I first used it after purchasing, it worked well. The second and third times were also good. However, after storing it for about 15-20 days or more, the properties changed. It no longer thickens as well as when I first used it, even though I close the lid immediately after use to prevent air exposure and store it in a dark place away from sunlight at room temperature. Could you please check what I should do? This problem occurs with every 50g bottle I order, making them unusable because when mixed, the formula doesn't thicken like it did initially.
คำตอบ
Understanding Why ClearClean™ May Lose Viscosity After Storage
Thank you for reaching out regarding the issue you're experiencing with ClearClean™ losing its thickening properties after storage, despite following the recommended storage conditions.
ClearClean™ (and similar thickeners like ThickClean™) are based on Acrylates Crosspolymer technology. These polymers work by creating a network (cross-linkage) that thickens liquid formulations like shampoos and liquid soaps. Their effectiveness is dependent on proper dispersion and activation, typically through pH adjustment during the formulation process.
You mentioned that you store the product correctly at room temperature, tightly sealed, and away from light and air exposure, which aligns with the recommended storage for long-term stability of the unopened product.
However, even with proper storage after opening, liquid polymer dispersions can sometimes experience slight settling or changes in viscosity over time. The product description for ClearClean™ and ThickClean™ includes the instruction to "Stir or shake before use."
It is possible that after the initial use and subsequent storage, the polymer particles in the liquid dispersion may settle or become less uniformly distributed. If the product is not thoroughly shaken or stirred before each subsequent use, you might be adding a less concentrated or less easily activated portion of the polymer to your formulation, resulting in reduced thickening performance.
Recommendation:
Before each use, especially after the product has been stored for some time, ensure you thoroughly shake or stir the bottle of ClearClean™ to ensure the polymer dispersion is completely uniform. Then, proceed with your formulation steps, paying close attention to the recommended mixing method and pH adjustment range (pH 4-6, ideally pH 5.5 for ClearClean™) as these are crucial for activating the polymer's thickening ability.
Trying this thorough shaking step before adding the product to your formula should help ensure consistent performance from each bottle, even after storage.
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ClearClean™ (thickens shampoo/liquid soap)
