Zinc Oxide 40nm Dispersion (Water Base) in Soap Formulations
Question
I would like to inquire about the suitability of Zinc Oxide 40nm Dispersion (Water Base) for use in soap formulations. Could you please provide detailed information on its compatibility, recommended mixing procedures, potential benefits (beyond UV protection, given it's a wash-off product), any relevant FDA regulations regarding its concentration (e.g., maximum 25% limit), and its stability within a soap matrix?
Answer
Zinc Oxide 40nm Dispersion (Water Base) in Soap Formulations
Our Zinc Oxide 40nm Dispersion (Water Base) is designed to be easily mixed into water-based formulations. Given that soap formulations are typically water-based, this product can generally be incorporated.
Key considerations for using Zinc Oxide 40nm Dispersion (Water Base) in soap:
- Mixing: It is a liquid white dispersion that can be mixed with water in the formula and stirred well immediately.
- Purpose: Zinc Oxide is primarily known for its UV protection properties and is often used in sunscreens. In soap, its primary function might shift to skin soothing or protective benefits rather than UV protection, as soap is rinsed off.
- FDA Regulations: The FDA allows the use of active Zinc Oxide in formulations not exceeding 25%. Please ensure your final soap formulation adheres to these guidelines.
- Stability: While the product is stable for 2 years when stored at room temperature away from sunlight, its long-term stability and efficacy within a soap matrix should be evaluated through testing, especially considering the pH and other ingredients commonly found in soap.
For best results, we recommend conducting small-scale tests to ensure compatibility and desired performance in your specific soap formulation.
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