
Arachidic Acid
Description
Arachidic acid is a long-chain saturated fatty acid with the chemical formula C20H40O2. It is found naturally in small quantities in various plant oils, including peanut and corn oil. In skincare formulations, arachidic acid serves as an emollient and skin-conditioning agent, contributing to the overall texture and feel of products.
This fatty acid helps form a protective barrier on the skin's surface, reducing transepidermal water loss and improving moisture retention. Its emollient properties make it particularly beneficial for dry or mature skin types. Arachidic acid also exhibits mild occlusive properties, which can help lock in hydration and other beneficial ingredients.
In cosmetic formulations, arachidic acid is often used in combination with other fatty acids to create stable emulsions and enhance product consistency. It can contribute to the smoothness and spreadability of creams, lotions, and balms. While not as common as some other fatty acids in skincare, arachidic acid can be a valuable ingredient in products designed for intense moisturization or barrier repair.
As with any skincare ingredient, individuals with specific skin concerns or sensitivities should consult with a healthcare professional before incorporating products containing arachidic acid into their routine.