Properties and Usage of Laureth-23 in Vitamin C Serum Formulation
Question
Could you please provide information about Laureth-23? Specifically, I would like to know:
- What are its properties (e.g., form, function, HLB value)?
- What is the recommended usage method, including mixing instructions and temperature?
- What is the recommended usage rate?
- Can Laureth-23 be used in a Vitamin C serum formulation? If so, under what conditions (e.g., specific serum types)?
- What is the current stock status of Laureth-23?
Answer
Information about Laureth-23 and its Use in Vitamin C Serum
Regarding the stock of Laureth-23, the new lot is expected to arrive around the end of next week, as informed by the staff.
Laureth-23 is a solid emulsifier or creamy binder with an HLB of around 17-18. It is typically used in lotion or cream formulations.
- Usage Method: Mix it into the oil phase and heat to 60-70°C to dissolve before mixing with the water phase.
- Usage Rate: 1-5% (do not exceed 6%).
When considering using Laureth-23 in a vitamin C serum, please note that it functions as an emulsifier for oil-in-water emulsions. If your vitamin C serum formula is an emulsion type (containing both oil and water phases), Laureth-23 can potentially be used as the emulsifier. However, if you are formulating a clear water-based serum or an anhydrous (oil-based/silicone-based) serum, Laureth-23 would not be the appropriate ingredient.
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