Formula Troubleshooting—Anhydrous Product Instability


Although a basic lipstick may look like an easy product to formulate, there are as many pitfalls and details that will affect the final product as there are with emulsions. This is not only true for lipsticks, but also for any anhydrous products that require a variety of materials to coincide and achieve homogeneity. Developing these products requires understanding the physical characteristics of the ingredients as well as the mechanical process required to manufacture the product. Two essential material characteristics to consider are the ingredient’s melting point and its solubility behavior.

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