Formulating for Electrolyte Resistance in Conjunction with Sensory Appeal

Repair, protection and moisturization are key consumer needs in skin care, and components that are used to deliver against these product claims are often electrolytic in nature. Common examples include mono- and multi-valent electrolytic salts of materials such as alpha hydroxy acids, pyrrolidone carboxylic acid (PCA) and phenylbenzimidazole sulfonic acid (PBSA).1 In addition to performance against product claims, though, overall consumer acceptance is heavily swayed by product aesthetics. Sensory performance is an important parameter that provides indulgence to the user and can convey the perception of efficacy. However, balancing rheology and stabilization properties with aesthetic properties in high actives-containing formulations is a common challenge faced by the formulator.

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