How to Use Sodium PCA 50% in Cosmetic Formulations
คำถาม
Based on the provided product information for Sodium PCA 50% (soluble in water and alcohol, recommended usage 0.5-10%, added to water phase), what is the correct usage percentage and mixing method for this ingredient in cosmetic formulations? Specifically, should the percentage be based on the amount of water or the total formulation weight/volume, and what is the appropriate concentration range for effective moisturization?
คำตอบ
Sodium PCA Usage in Formulations
Sodium PCA is used as a percentage of the total formulation, not as a fixed ratio with water alone. The amount of water you use depends on the overall recipe and the desired consistency of your final product.
Based on the product information for Sodium PCA 50%, the recommended usage rate is 0.5-2% of the total weight or volume of your formulation.
To use it, you would calculate the amount of Sodium PCA needed based on the total size of your batch and the desired percentage. For example, if you want to make 100g of a product with 1% Sodium PCA:
- You would use 1g of Sodium PCA 50%.
- The remaining 99g would be your other ingredients, including water and any other components.
Sodium PCA should be mixed into the water phase of your formulation.
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